FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * EPSTEIN STEVEN B   2. Issuer Name and Ticker or Trading Symbol Emergency Medical Services CORP [EMS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 10105 IRON GATE ROAD 3. Date of Earliest Transaction (Month/Day/Year) 05/25/2011 (Street) POTOMAC, MD 20854 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 05/25/2011   D   13,200 D (1) 0 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	05/25/2011		D			8,000	(3)	(3)	Class A Common Stock	8,000	(3)	0	D
Restricted Stock Units	(2)	05/25/2011		D			2,705	(3)	(3)	Class A Common Stock	2,705	(3)	0	D
Restricted Stock Units	(2)	05/25/2011		D			4,145	(3)	(3)	Class A Common Stock	4,145	(3)	0	D
Restricted Stock Units	(2)	05/25/2011		D			3,018	(3)	(3)	Class A Common Stock	3,018	(3)	0	D
Restricted Stock Units	(2)	05/25/2011		D			2,325	(3)	(3)	Class A Common Stock	2,325	(3)	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
EPSTEIN STEVEN B 10105 IRON GATE ROAD POTOMAC, MD 20854	X

Signatures

/s/ Carl F. Berglind, as attorney-in-fact		05/26/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Disposed of pursuant to the merger agreement dated as of February 13, 2011, by and among the issuer, CDRT Acquisition Corporation and CDRT Merger Sub, Inc. in exchange for the merger consideration of $64.00 per share in cash.
(2)	Each Restricted Stock Unit represents the right to receive one share of the issuer's Class A Common Stock.
(3)	Pursuant to the merger agreement, the Restricted Stock Units became vested in full at the effective time of the merger (to the extent not previously vested) and were cancelled in exchange for a cash payment equal to $64.00 times the number of shares of Class A Common Stock subject to such Restricted Stock Units.

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