Exhibit 3.202

RESTATED

BYLAWS OF

REHABILITATION INSTITUTE OF WESTERN MASSACHUSETTS, INC.

March 29, 2007

BYLAWS

ARTICLE I

ARTICLES OF ORGANIZATION

Section 1.1 The name and purposes of the corporation shall be as set forth in the articles of organization. These bylaws, the powers of the corporation and of its directors and shareholders, or of any class of shareholders if there shall be more than one class of stock, and all matters concerning the conduct and regulation of the business and affairs of the corporation shall be subject to such provisions in regard thereto, if any, as are set forth in the articles of organization as from time to time in effect.

ARTICLE H

ANNUAL MEETINGS OF SHAREHOLDERS

Section 2.1 The annual meeting of shareholders of the corporation for the election of directors and the transaction of such other business as may properly come before the meeting shall be held on such date and at such time as shall be determined by the board of directors each year, which date and time may subsequently be changed at any time, including the year any such determination occurs.

Section 2.2 Annual meetings of the shareholders maybe held at the principal office of the corporation in the Commonwealth of Massachusetts or at such places within or without the Commonwealth of Massachusetts as maybe specified in the notices of such meetings.

Section 2.3 Written or printed notice of the annual meeting stating the place, day and hour of the meeting shall be given to each shareholder entitled to vote thereat not less than seven-nor more than sixty days before the date of the meeting. The notice shall also set forth the purpose or purposes for which the meeting is called.

ARTICLE III

SPECIAL MEETINGS OF SHAREHOLDERS

Section 3.1 Special meetings of shareholders maybe called at any time, for any purpose or purposes, by the board of directors or by such other persons as may be authorized by law.

Section 3.2 Special meetings of shareholders may be held at such time and place within or without the Commonwealth of Massachusetts as shall be stated in the notice of the meeting or in a duly executed waiver of notice thereof as maybe authorized by law.

Section 3.3 Written or printed notice of a special meeting of shareholders, stating the date, time, place and purpose or purposes thereof, shall be given to each shareholder entitled to vote thereat, not less than seven nor more than sixty days before the date fixed for the meeting.

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ARTICLE IV

QUORUM AND VOTING OF STOCK

Section 4.1 The holders of a majority in interest of the shares of stock issued and outstanding and entitled to vote, represented in person or by proxy, shall constitute a quorum at all meetings of the shareholders for the transaction of business except as otherwise provided by law or by the articles of organization. If, however, such quorum shall not be present or represented at any meeting of the shareholders, the shareholders present in person or represented by proxy shall have power to adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present or represented. At such adjourned meeting at which a quorum shall be present or represented, any business may be transacted which might have been transacted at the meeting as originally noticed.

Section 4.2 If a quorum is present, the affirmative vote of a majority of the shares of stock represented at the meeting shall be the act of the shareholders unless the vote of a greater number of shares of stock is required by law or the articles of organization.

Section 4.3 Each outstanding share of stock, having voting power, shall be entitled to one vote on each matter submitted to a vote at a meeting of shareholders. A shareholder may vote either in person or by proxy executed in writing or as otherwise created in accordance with law, by the shareholder or by his or her duly authorized attorney-in-fact.

Section 4.4 Any action required to be taken at a meeting of the shareholders may be taken without a meeting if a consent in writing, setting forth the action so taken, shall be signed by all of the shareholders entitled to vote with respect to the subject matter thereof.

ARTICLE V

DIRECTORS

Section 5.1 The number of directors shall be fixed at any time or from time to time only by the affirmative vote of a majority of the directors then in office, but shall be not less than three, except that whenever there shall be only two shareholders the number of directors shall be not less than two and whenever there shall be only one shareholder there shall be at least one director; no decrease in the number of directors shall shorten the term of any incumbent director. Directors need not be residents of the Commonwealth of Massachusetts nor shareholders of the corporation. The directors, other than the first board of directors, shall be elected at the annual meeting of the shareholders, and each director elected shall serve until the next succeeding annual meeting and until his or her successor shall have been elected and qualified. The first board of directors shall hold office until the first annual meeting of shareholders.

Section 5.2 Vacancies and newly created directorships resulting from any increase in the number of directors may be filled by the shareholders, by the board of directors, or if the directors remaining in office constitute fewer than a quorum of the board, they may fill the vacancy by the affirmative vote of a majority of the directors remaining in office, and the directors so chosen shall hold office until the next annual election and until their successors are duly elected and shall qualify. If the vacant office was held by a director elected by a voting

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group of shareholders, only the holders of shares of that voting group or, unless the articles of organization or these bylaws otherwise provide, the directors elected by that voting group are entitled to vote to fill the vacancy.

Section 5.3 The business affairs of the corporation shall be managed by its board of directors, which may exercise all such powers of the corporation and do all such lawful acts and things as are not by law or by the articles of organization or by these bylaws directed or required to be exercised or done by the shareholders.

Section 5.4 The directors may keep the books of the corporation, except such as are required by law to be kept within the state, outside of the Commonwealth of Massachusetts, at such place or places as they may from time to time determine.

Section 5.5 The board of directors, by the affirmative vote of a majority of the directors then in office, and irrespective of any personal interest of any of its members, shall have authority to establish reasonable compensation of all directors for services to the corporation as directors, officers or otherwise.

ARTICLE VI

MEETINGS OF THE BOARD OF DIRECTORS

Section 6.1 Meetings of the board of directors, regular or special, may be held either within or without the Commonwealth of Massachusetts.

Section 6.2 The first meeting of each newly elected board of directors shall be held at such time and place as shall be fixed by the vote of the shareholders at the annual meeting and no notice of such meeting shall be necessary to the newly elected directors in order legally to constitute the meeting, provided a quorum shall be present, or it may convene at such place and time as shall be fixed by the consent in writing of all the directors.

Section 6.3 Regular meetings of the board of directors may be held upon such notice, or without notice, and at such time and at such place as shall from time to time be determined by the board.

Section 6.4 Special meetings of the board of directors may be called by the president on two days’ notice of the date, time and place of the meeting to each director, either personally or by mail or as otherwise set forth in these bylaws; special meetings shall be called by the president or secretary in like manner and on like notice on the written request of two directors.

Section 6.5 Attendance or participation of a director at any meeting shall constitute a waiver of notice of such meeting, unless the director at the beginning of the meeting, or promptly upon his or her arrival, objects to holding the meeting or transacting business at the meeting and does not thereafter vote for or assent to action taken at the meeting. Neither the business to be transacted at, nor the purpose of, any regular or special meeting of the board of dⁱrectors need be specified in the notice or waiver of notice of such meeting.

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Section 6.6 A majority of the number of directors fixed by these bylaws or otherwise shall constitute a quorum for the transaction of business unless a greater number is required by law or by the articles of organization or by these bylaws. The act of a majority of the directors present at any meeting at which a quorum is present shall be the act of the board of directors, unless the act of a greater number is required by law or by the articles of organization or by these bylaws. If a quorum shall not be present at any meeting of directors, the directors present thereat may adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present.

Section 6.7 Unless the articles of organization or these bylaws provide that action required or permitted by law to be taken by the directors may be taken only at a meeting, the action may be taken without a meeting if the action is taken by the unanimous consent of the members of the board of directors. The action must be evidenced by one or more consents describing the action taken, in writing, signed by each director, delivered to the principal office of the corporation or delivered to the corporation by electronic transmission as prescribed by law.

Section 6.8 Unless the articles of organization or these bylaws provide otherwise, the board of directors may permit any or all directors to participate in a regular or special meeting by, or conduct the meeting through the use of, any means of communications by which all directors participating may simultaneously hear each other during the meeting. A director participating in a meeting by these means is considered to be present in person at the meeting.

ARTICLE VII

EXECUTIVE COMMITTEE

Section 7.1 The board of directors, by resolution adopted by a majority of the number of directors fixed by these bylaws or otherwise, may designate one or more directors to constitute an executive committee, which committee, to the ‘extent provided in such resolution, shall have and exercise all of the authority of the board of directors in the management of the corporation except as otherwise restricted by law. Vacancies in the membership of the committee shall be filled by the board of directors at a regular or special meeting of the board of directors. The executive committee shall keep regular minutes of its proceedings and report the same to the board when required.

ARTICLE VIII

NOTICES

Section 8.1 Whenever, under the provisions of law or of the articles of organization or of these bylaws, notice is required to be given to any director or shareholder, it shall be construed to mean written notice unless oral notice is reasonable under the circumstances. Notice by electronic transmission is written notice. Notice may be communicated in person, by telephone, voice mail, telegraph, teletype, or other electronic means, by mail, by electronic transmission, or by messenger or delivery service. If these forms of personal notice are impractical, notice may be communicated by a newspaper of general circulation in the area where published, or by radio, television or other form of public broadcast communication.

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Written notice, other than by electronic transmission, by the corporation to any of its shareholders, if in a comprehensible form, is effective upon deposit in the United States mail, if mailed postpaid and correctly addressed to the shareholder’s address shown in the corporation’s current record of shareholders. Except as otherwise provided in the preceding sentence, such notice is effective at the earliest of the following: (1) when received; (2) five days after its deposit in the United States mail, if mailed postpaid and correctly addressed; (3) on the date shown on the return receipt, if sent by registered or certified mail, return receipt requested, or if sent by messenger or delivery service, on the date shown on the return receipt signed by or on behalf of the addressee; or (4) on the date of publication if notice by publication is permitted.

Written notice by electronic transmission by a corporation to any of its shareholders, if in a comprehensible form, is effective: (I) if by facsimile telecommunication, when directed to a number furnished by the shareholder for the purpose; (2) if by electronic mail, when directed to an electronic mail address furnished by the shareholder for the purpose; (3) if by a posting on an electronic network together with separate notice to the shareholder of such specific posting, directed to an electronic mail address furnished by the shareholder for the purpose, upon the later of (i) such posting and (ii) the giving of such separate notice; and (4) if by any other form of electronic transmission, when directed to the shareholder in such manner as the shareholder shall have specified to the corporation. An affidavit of the secretary or assistant secretary of the corporation, the transfer agent or other agent of the corporation that the notice has been given-by a form of electronic transmission shall, in the absence of fraud, be prima facie evidence of the facts stated therein.

Section 8.2 Whenever any notice whatever is required to be given by law or by the articles of organization or by these bylaws, a waiver thereof in writing signed by the person or persons entitled to such notice, whether before or after the time stated therein, shall be deemed equivalent to the giving of such notice.

ARTICLE IX

OFFICERS

Section 9.1 The initial officers shall be elected by either the incorporators or the initial directors named in the articles of organization. Officers, other than the initial officers, shall be chosen by the board of directors, and shall be a president, a treasurer and a secretary. The board of directors may also choose one or more vice-presidents and one or more assistant treasurers and assistant secretaries. Officers need not be members of the board nor shareholders of the corporation. The same individual may simultaneously hold more than one office in the corporation.

Section 9.2 The board of directors at its first meeting after each annual meeting of shareholders shall choose a president, a treasurer and a secretary for the ensuing year.

Section 9.3 The board of directors may appoint such other officers and agents as it shall deem necessary who shall hold their offices for such terms and shall exercise such powers and perform such duties as shall be determined from time to time by the board of directors.

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Section 9.4 The salaries of all officers and agents of the corporation shall be fixed by the board of directors.

Section 9.5 The officers of the corporation shall hold office until their successors are chosen and qualify. Any officer elected or appointed by the board of directors may be removed at any time by the affirmative vote of a majority of the board of directors. Any vacancy occurring in any office of the corporation shall be filled by the board of directors.

THE PRESIDENT

Section 9.6 The president shall be the chief executive officer of the corporation, shall preside at all meetings of the shareholders and the board of directors, shall have general and active management of the business of the corporation and shall see that all orders and resolutions of the board of directors arc carried into effect.

Section 9.7 The president shall execute bonds, mortgages and other contracts requiring a seal, under the seal of the corporation, except where required or permitted by law to be otherwise signed and executed and except where the signing and execution thereof shall be expressly delegated by the board of directors to some other officer or agent of the corporation.

THE VICE-PRESIDENTS

Section 9.8 The vice-president, or if there shall be more than one, the vice-presidents in the order determined by the board of directors, shall, in the absence or disability of the president, perform the duties and exercise the powers of the president and shall perform such other duties and have such other powers as the board of directors may from time to time prescribe.

THE SECRETARY AND ASSISTANT SECRETARIES

Section 9.9 The secretary shall attend all meetings of the board of directors and all meetings of the shareholders and record all the proceedings of the meetings of the corporation and of the board of directors in a book to be kept for that purpose and shall perform like duties for the standing committees when required. He or she shall give, or cause to be given, notice of all meetings of the shareholders and special meetings of the board of directors, and shall perform such other duties as may be prescribed by the board of directors or president, under whose supervision he or she shall be. He or she shall have custody of the record books and of the corporate seal of the corporation and he or she, or an assistant secretary, shall have authority to affix the seal to any instrument requiring it and when so affixed, it may be attested by his or her signature or by the signature of such assistant secretary. The board of directors may give general authority to any other officer to affix the seal of the corporation and to attest the affixing by his or her signature.

Section 9.10 The assistant secretary, or if there be more than one, the assistant secretaries in the order determined by the board of directors, shall, in the absence or disability of the secretary, perform such other duties and have such other powers as the board of directors may from time to time prescribe.

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THE TREASURER AND ASSISTANT TREASURERS

Section 9.11 The treasurer shall have the custody of the corporate funds and securities and shall keep full and accurate accounts of receipts and disbursements in books belonging to the corporation and shall deposit all moneys and other valuable effects in the name and to the credit of the corporation in such depositories as may be designated by the board of directors.

Section 9.12 The treasurer shall disburse the funds of the corporation as may be ordered by the board of directors, taking proper vouchers for such disbursements, and shall render to the president and the board of directors, at its regular meetings, or when the board of directors so requires, an account of all his or her transactions as treasurer and of the financial condition of the corporation.

Section 9.13 If required by the board of directors, the treasurer shall give the corporation a bond in such sum and with such surety or sureties as shall be satisfactory to the board of directors for the faithful performance of the duties of his or her office and for the restoration to the corporation, in case of his or her death, resignation, retirement or removal from office, of all books, papers, vouchers, money and other property of whatever kind in his or her possession or under his or her control belonging to the corporation.

Section 9.14 The assistant treasurer, or, if there shall be more than one, the assistant treasurers in the order determined by the board of directors, shall, in the absence or disability of the treasurer, perform the duties and exercise the powers of the treasurer and shall perform such other duties and have such other powers as the board of directors may from time to time prescribe.

ARTICLE X

CERTIFICATES FOR SHARES

Section 10.1 Shares of the corporation may but need not be represented by certificates. Each certificate shall be signed by the chairman of the board of directors, the president or a vice-president and the treasurer or an assistant treasurer of the corporation, and shall be scaled with the seal of the corporation or a facsimile thereof. When the corporation is authorized to issue different classes of shares or different series within a class, the variations in rights, preferences and limitations applicable to each class and series, and the authority of the board of directors to determine variations for any future class or series, must be summarized on the front or back of each certificate. Alternatively, each certificate may state conspicuously on its front or back that the corporation will furnish the shareholder this information on request in writing and without charge.

Within a reasonable time after the issue or transfer of shares without certificates, the corporation shall send the shareholder a written statement of the information required on certificates by Sections 6.25(b) and (c), and, if applicable, Section 6.27 of the Massachusetts Business Corporation Act.

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Section 10.2 The signatures of the officers upon a certificate may be facsimiles. If the person who signed, either_. manually or in facsimile, a share certificate no longer holds office when the certificate is issued, the certificate is nonetheless valid.

LOST CERTIFICATES

Section 10.3 The board of directors may direct a new certificate to be issued in place of any certificate theretofore issued by the corporation alleged to have been lost or destroyed. When authorizing such issue of a new certificate, the board of directors, in its discretion and as a condition precedent to the issuance thereof, may prescrⁱbe such terms and conditions as it deems expedient, and may require such indemnities as it deems adequate, to protect the corporation from any claim that may be made against it with respect to any such certificate alleged to have been lost or destroyed.

TRANSFERS OF SHARES

Section 10.4 Upon surrender to the corporation or the transfer agent of the corporation of a certificate representing shares duly endorsed or accompanied by proper evidence of succession, assignment or authority to transfer, a new certificate shall be issued to the person entitled thereto, and the old certificate cancelled and the transaction recorded upon the books of the corporation. Upon receipt of proper transfer instructions from the registered owner of uncertificated shares, such uncertificated shares shall be cancelled and issuance of new equivalent uncertificated shares or certificated shares shall be made to the person entitled thereto and the transaction shall be recorded upon the books of the corporation.

FIXING RECORD DATE

Section 10.5 The board of directors may fix in advance a record date for one or more voting groups in order to determine the shareholders entitled to notice of a shareholders’ meeting, to demand a special meeting, to vote, or to take any other action. The record date may not be more than. seventy days before the meeting or action requiring a determination of shareholders. A determination of shareholders entitled to notice of or to vote at a shareholders meeting is effective for any adjournment of the meeting unless the board of directors fixes a new record date, which it shall do if the meeting is adjourned to a date more than one hundred twenty days after the date fixed for the original meeting.

The board of directors may also fix in advance a record date for shareholders entitled to receive a distribution or for any other purposes authorized by law.

REGISTERED SHAREHOLDERS

Section 10.6 The corporation shall be entitled to recognize the exclusive right of a person registered on its books as the owner of shares to receive dividends, and to vote as such owner, and to hold liable for calls and assessments a person registered on its books as the owner of shares, and shall not be bound to recognize any equitable or other claim to or interest in such share or shares on the part of any other person, whether or not it shall have express or other notice thereof, except as otherwise provided by the laws of the Commonwealth of Massachusetts.

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ARTICLE XI

GENERAL PROVISIONS

DIVIDENDS

Section 11.1 Subject to the provisions of the articles of organization relating thereto, if any, dividends may be declared by the board of directors at any regular or special meeting, pursuant to law, Dividends may be paid in cash, in property or in shares of the capital stock, subject to any provisions of the articles of organization.

Section 11.2 Before payment of any dividend, there may be set aside out of any funds of the corporation available for dividends such sum or sums as the directors from time to time, in their absolute discretion, think proper as a reserve fund to meet contingencies, or for equalizing dividends, or for repairing or maintaining any property of the corporation, or for such other purpose as the directors shall think conducive to the interest of the corporation, and the directors may modify or abolish any such reserve in the manner in which it was created.

CHECKS

Section 11.3 All checks or demands for money and notes of the corporation shall be signed by such officer or officers or such other person or persons as the board of directors may from time to time designate.

FISCAL YEAR

Section 11.4 The fiscal year of the corporation shall be fixed by resolution of the board of directors.

SEAL

Section 11.5 The corporate seal shall have inscribed thereon the name of the corporation, the year of its organization and the words “Corporate Seal, Massachusetts”. The seal may be used by causing it or a facsimile thereof to be impressed or affixed or in any manner reproduced.

ARTICLE III

AMENDMENTS

Section 12.1 These bylaws may be altered, amended or repealed or new bylaws may be adopted (a) by the shareholders at any regular or special meeting of the shareholders or (b) if authorized by the articles of organization, the board of directors at any regular or special meeting of the board, except with respect to any provision which by law, the articles of organization or these bylaws requires action by the shareholders, and provided further that any action taken by the board of directors with respect to the bylaws may be amended or repealed by the shareholders.

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