Mary Margaret Lewis, MD in Richmond, VA - Medicare Critical Care (intensivists)

Mary Margaret Lewis, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Richmond, Virginia. She went to Georgetown University School Of Medicine and graduated in 1995 and has 30 years of diverse experience with area of expertise as Critical Care (intensivists). She is a member of the group practice Privia Medical Group, Llc and her current practice location is 1213 E Clay St, Richmond, Virginia. You can reach out to her office (for appointments etc.) via phone at (804) 828-9071.

Mary Margaret Lewis is licensed to practice in Maryland (license number D0096549) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1487645750.

Contact Information

	Mary Margaret Lewis, MD
	1213 E Clay St, Richmond, VA 23298-5071
	(804) 828-9071
	(804) 828-2578

Map and Direction

Physician's Profile

Full Name	Mary Margaret Lewis
Gender	Female
Speciality	Critical Care (intensivists)
Experience	30 Years
Location	1213 E Clay St, Richmond, Virginia
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Mary Margaret Lewis attended and graduated from Georgetown University School Of Medicine in 1995

NPI Data:

NPI Number: 1487645750
Provider Enumeration Date: 11/04/2005
Last Update Date: 10/01/2025

Medicare PECOS Information:

PECOS PAC ID: 9234107145
Enrollment ID: I20040920000237

Medical Identifiers

Medical identifiers for Mary Margaret Lewis such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1487645750	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RC0200X	Internal Medicine - Critical Care Medicine	MD22025 (District Of Columbia)	Secondary
207RP1001X	Internal Medicine - Pulmonary Disease	0101054875 (Virginia)	Secondary
207RS0012X	Internal Medicine - Sleep Medicine	0101054875 (Virginia)	Secondary
207RC0200X	Internal Medicine - Critical Care Medicine	D0096549 (Maryland)	Primary
207RC0200X	Internal Medicine - Critical Care Medicine	0101054875 (Virginia)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Virginia Hospital Center	Arlington, VA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Privia Medical Group, Llc	4385682061	1264

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mary Margaret Lewis allows following entities to bill medicare on her behalf.

Entity Name	Johns Hopkins Community Physicians, Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1255359972 PECOS PAC ID: 8325943707 Enrollment ID: O20040130000162

Entity Name	Privia Medical Group Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1013042480 PECOS PAC ID: 4385682061 Enrollment ID: O20050422000298

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mary Margaret Lewis is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Mary Margaret Lewis, MD Po Box 780125, Philadelphia, PA 19178-0125 Ph: (804) 922-4844	Mary Margaret Lewis, MD 1213 E Clay St, Richmond, VA 23298-5071 Ph: (804) 828-9071

Reviews and Comments

Internal Medicine Doctors in Richmond, VA

Dr. Amy Samantha May Paul, M.D. Critical Care Medicine Medicare: Not Enrolled in Medicare Practice Location: 1250 E Marshall St, Dept. Of Internal Medicine/geriatric Medicine, Richmond, VA 23298 Phone: 804-254-3500 Fax: 804-254-1616
Dr. Clifton Linwood Parker, M.D. Critical Care Medicine Medicare: Not Enrolled in Medicare Practice Location: 8300 Fulham Drive, Richmond, VA 23227 Phone: 804-264-5901
Dr. Michael A Mistretta, M.D. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 6600 W Broad St Ste 300, Richmond, VA 23230 Phone: 804-320-4243 Fax: 804-622-0552
Patricia J Sime, MD Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 9000 Stony Point Pkwy, Richmond, VA 23235 Phone: 804-560-8921 Fax: 804-560-8992
Dr. Katherine Lavan Smallwood, M.D. Critical Care Medicine Medicare: Not Enrolled in Medicare Practice Location: 6900 Forest Ave, Suite 300, Richmond, VA 23230 Phone: 804-346-1515 Fax: 804-270-2888
Walid G. Abou Assi, M.D. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 7605 Forest Ave, Suite 109, Richmond, VA 23229 Phone: 804-285-6390 Fax: 804-285-6393
Dr. Paulina Essah, M.D. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 719 N 25th St, Richmond, VA 23223 Phone: 804-253-1963 Fax: 804-780-0862

Mary Margaret Lewis, MD - Medicare Critical Care (intensivists) in Richmond, VA