Updated October 2026

Medical groups in Washington, DC

Medical group directory
Washington, Washington, DC

Medical groups: 169
Multi-specialty: 37
Single-specialty: 132
More than one site: 85
100+ physicians: 6

There are 169 medical groups in Washington with a Medicare PAC ID. Children's National Hospital is the largest, with 911 Washington, DC physicians, followed by The GW Medical Faculty Associates with 539. 59% of Washington groups are independent.

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Children's National Hospital is the largest medical group in Washington, with 911 physicians

Ranked by physicians with a Washington, DC address linked to each group based in Washington. The GW Medical Faculty Associates is second with 539, and MedStar Georgetown University Hospital third with 338. 6 Washington groups have 100 or more physicians.

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Medical groups in Washington, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Children's National HospitalWashington · 30 sites	Parent on file	911	1,295	Decision makers
2	The GW Medical Faculty AssociatesWashington · 72 sites	Parent on file	539	802	Decision makers
3	MedStar Georgetown University HospitalWashington · 52 sites	Parent on file	338	453	Decision makers
4	MedStar Washington Hospital CenterWashington · 75 sites	Parent on file	303	354	Decision makers
5	Howard University Faculty Practice PlanWashington · 18 sites	Parent on file	221	238	Decision makers
6	Unity Health CareWashington · 42 sites	Parent on file	110	259	Decision makers
7	MedStar Heart InstituteWashington · 56 sites	Parent on file	99	175	Decision makers
8	MedStar Medical GroupWashington · 18 sites	Parent on file	78	88	Decision makers
9	One MedStar Primary CareWashington · 15 sites	Parent on file	40	90	Decision makers
10	Mary's CenterWashington · 10 sites	Parent on file	38	132	Decision makers
11	Surgical Anesthesia AssociatesWashington · 24 sites	Parent on file	36	62	Decision makers
12	MedStar Total Elder CareWashington · 9 sites	Parent on file	28	37	Decision makers
13	Whitman-Walker HealthWashington · 8 sites	Parent on file	25	87	Decision makers
14	Psychiatric Institute of WashingtonWashington · 4 sites	Parent on file	20	27	Decision makers
15	MedStar Georgetown University HospitalWashington · 2 sites	Parent on file	19	26	Decision makers
16	Washington National Eye CenterWashington · 12 sites	Parent on file	19	19	Decision makers
17	Reiter, Hill & Johnson of AdvantiaWashington · 6 sites	Parent on file	18	21	Decision makers
18	Providence Hospital (Providence Health Services)Washington · 5 sites	Parent on file	14	23	Decision makers
19	Foxhall InternistsWashington · 2 sites	-	13	13	Decision makers
20	Community of HopeWashington · 6 sites	Parent on file	11	85	Decision makers
21	Washington Health InstituteWashington · 3 sites	Parent on file	11	17	Decision makers
22	MedStar Health Cardiology AssociatesWashington · 12 sites	Parent on file	10	14	Decision makers
23	Foxhall Women's HealthWashington · 1 site	-	10	12	Decision makers
24	IT Hospitalist ServicesWashington · 2 sites	-	9	9	Decision makers
25	MBI Health Services, LLCWashington · 6 sites	Parent on file	7	59	Decision makers
26	La Clínica del PuebloWashington · 3 sites	Parent on file	7	14	Decision makers
27	Braun Dermatology & Skin Cancer CenterWashington · 3 sites	-	6	8	Decision makers
28	Capital Area Renal Associates, PCWashington · 3 sites	Parent on file	6	6	Decision makers
29	McClendon CenterWashington · 4 sites	Parent on file	5	13	Decision makers
30	Bloom OB/GYNWashington · 2 sites	-	5	7	Decision makers
31	Medical Home Development GroupWashington · 2 sites	-	5	7	Decision makers
32	Potomac Internists PCWashington · 1 site	-	5	5	Decision makers
33	SOME (So Others Might Eat)Washington · 3 sites	Parent on file	4	19	Decision makers
34	Bread for the CityWashington · 2 sites	Parent on file	4	17	Decision makers
35	Family and Medical Counseling Service, Inc.Washington · 1 site	Parent on file	4	13	Decision makers
36	Sislen & AssociatesWashington · 1 site	-	4	4	Decision makers
37	Anchor Mental HealthWashington · 1 site	Parent on file	3	26	Decision makers
38	Capitol Breathe Free Sinus & Allergy CentersWashington · 3 sites	-	3	14	Decision makers
39	Revolution Medicine, Health & FitnessWashington · 3 sites	-	3	12	Decision makers
40	MedStar Health Primary Care at FoxhallWashington · 2 sites	Parent on file	3	4	Decision makers
41	Pain Management InstituteWashington · 2 sites	-	3	4	Decision makers
42	Apex Comprehensive ClinicsWashington · 2 sites	-	3	3	Decision makers
43	DC Derm DocsWashington · 1 site	-	3	3	Decision makers
44	Kaufman, Greenlee and WheatonWashington · 2 sites	Parent on file	3	3	Decision makers
45	Metro Renal AssociatesWashington · 3 sites	-	3	3	Decision makers
46	Hillcrest Children & Family CenterWashington · 2 sites	Parent on file	2	46	Decision makers
47	House Calls of the District of ColumbiaWashington · 2 sites	Parent on file	2	7	Decision makers
48	Community ConnectionsWashington · 1 site	Parent on file	2	6	Decision makers
49	LYLE HealthcareWashington · 1 site	-	2	5	Decision makers
50	Barnard Medical CenterWashington · 1 site	Parent on file	2	4	Decision makers

Showing 1 to 10 of 169 medical groups in Washington

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

MedStar Health has the most physicians in Washington medical groups, with 843 across 11 groups

Dmand AI maps every Washington medical group to its parent organization, up to the health system or platform at the top. 2 parent organizations have two or more Washington medical groups. Each clinician counts once per parent organization.

Parent organizations with the most Washington medical groups
#	Parent organization	Washington groups	Physicians	HCPs
1	MedStar HealthHealth system	11	843	1,162
2	Universal Health ServicesHealth system	4	560	837

Parent organizations with two or more Washington groups

MedStar HealthHealth system · 11 Washington medical groups
MedStar Georgetown University HospitalMulti-specialty group · 52 sites
MedStar Washington Hospital CenterMulti-specialty group · 75 sites
9 more Washington groups and their practice sites

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Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.

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Source: Dmand AI Org Hierarchy Data

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Dmand AI maps the owners, administrators and physician leaders at each of the 169 Washington medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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59% of Washington medical groups are independent, with no larger parent organization

A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.

Washington medical groups by ownership

Independent10059%
Health system or hospital2112%
Platform or corporate owner106%
Community or government2414%
Other organization148%

Source: Dmand AI Org Hierarchy Data

21 Washington medical groups practice at a hospital site

Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.

Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data

Primary care groups are the most common medical groups in Washington, with 60

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 45, and 37 Washington groups are multi-specialty.

Primary care60
Behavioral and mental health45
Rehabilitation and therapy23
Eye care10
Dermatology5
OB/GYN and women's health4
Chiropractic3
Podiatry3
Radiology and imaging3
Anesthesia and pain2
ENT and audiology2
Plastic and cosmetic surgery2
Cardiology1
Dental and oral surgery1
Emergency and hospital medicine1
Neurology and neurosurgery1
Pathology and laboratory1
Pediatrics1
General and specialty surgery1

Source: Dmand AI Professional Profile Data

4,693 Washington, DC HCPs work in Washington medical groups, 2,804 of them physicians

Each clinician is counted once, across every Washington group they are linked to. Only clinicians with a Washington, DC address are counted.

HCPs in Washington medical groups by type

Physicians (MD, DO)2,80460%
Nurses and nurse practitioners67514%
Behavioral health clinicians54712%
Physician assistants3908%
Therapists (PT and OT)1062%
Other HCPs1714%

Source: Dmand AI Affiliation Data

Each Washington medical group profile shows the parent, sites, clinicians and identifiers

Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
Parent organizationThe health system, platform or owner above the groupOn every profile
Every clinician and siteThe full roster and every practice locationWith a free account
Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account

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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data

Sources for the Washington medical group directory

Sources for the data on this page
Data on this page	Source
Medical groups, specialties and sites	Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data
Parent organizations and independence	Dmand AI Org Hierarchy Data
Physicians and HCPs	Dmand AI Affiliation Data
Group NPI and PAC ID	NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS)

Data last refreshed October 2026Report an inaccuracy Remove my information

The directory lists groups based in Washington with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in Washington

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many medical groups are in Washington?

There are 169 medical groups based in Washington with a Medicare PAC ID: 37 multi-specialty and 132 single-specialty. 85 of them have more than one site.

What is the largest medical group in Washington?

Children's National Hospital, with 911 physicians and 1,295 HCPs with a Washington, DC address. The GW Medical Faculty Associates is second with 539, and MedStar Georgetown University Hospital is third with 338.

Which health system has the most medical groups in Washington?

By physicians, MedStar Health, with 843 across 11 groups, followed by Universal Health Services with 560.

How many Washington medical groups are independent?

100, or 59%, have no larger parent organization in the Dmand AI org hierarchy. 21 belong to a health system or hospital and 10 to a physician platform or corporate owner.

How many Washington medical groups practice at a hospital?

21 Washington groups practice at a hospital site linked to them in the Dmand AI org hierarchy.

How do I find a medical group's NPI or PAC ID?

Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.

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