Updated October 2026

Medical groups in Washington

Medical group directory
Washington

Medical groups: 1,953
Multi-specialty: 290
Single-specialty: 1,663
More than one site: 954
100+ physicians: 62

There are 1,953 medical groups in Washington with a Medicare PAC ID. UW Physicians is the largest, with 2,833 Washington physicians. Providence Health & Services has the most physicians across its groups, 3,239, and 78% of Washington groups are independent.

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UW Physicians is the largest medical group in Washington, with 2,833 physicians

Ranked by physicians with a Washington address linked to each group. MultiCare Indigo Urgent Care, Spokane, Newport Hwy. is second with 1,703, and Washington Permanente Medical Group, P.C. third with 1,612. 62 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	UW PhysiciansSeattle · 143 sites	Parent on file	2,833	4,269	Decision makers
2	MultiCare Indigo Urgent Care, Spokane, Newport Hwy.Spokane · 313 sites	Parent on file	1,703	4,068	Decision makers
3	Washington Permanente Medical Group, P.C.Seattle · 114 sites	Parent on file	1,612	2,742	Decision makers
4	Franciscan Orthopedics - SilverdaleSilverdale · 154 sites	Parent on file	1,164	1,733	Decision makers
5	Children's University Medical Group (CUMG)Seattle · 46 sites	Parent on file	931	1,125	Decision makers
6	Swedish Health ServicesSeattle · 95 sites	Parent on file	927	1,315	Decision makers
7	The Everett ClinicEverett · 81 sites	Parent on file	850	1,316	Decision makers
8	Virginia Mason Medical CenterSeattle · 39 sites	Parent on file	643	1,031	Decision makers
9	The PolyclinicSeattle · 56 sites	Parent on file	619	912	Decision makers
10	Providence Medical GroupSpokane · 88 sites	Parent on file	612	983	Decision makers
11	Booth Gardner Parkinson's Care CenterKirkland · 42 sites	Parent on file	540	1,062	Decision makers
12	Swedish Physicians DowntownSeattle · 86 sites	Parent on file	524	934	Decision makers
13	Confluence HealthWenatchee · 81 sites	Parent on file	489	783	Decision makers
14	Providence Medical Group - North Puget Sound (Everett)Everett · 72 sites	Parent on file	480	761	Decision makers
15	Valley Medical Center & ClinicsRenton · 46 sites	Parent on file	464	698	Decision makers
16	Seattle Children'sSeattle · 60 sites	Parent on file	433	1,204	Decision makers
17	Providence Medical Group - South Puget Sound (Olympia)Olympia · 75 sites	Parent on file	404	626	Decision makers
18	Wenatchee Valley Hospital & ClinicsWenatchee · 26 sites	Parent on file	388	594	Decision makers
19	Overlake Clinics CardiologyBellevue · 50 sites	Parent on file	371	639	Decision makers
20	Northwest Emergency PhysiciansArlington · 50 sites	-	368	465	Decision makers
21	Vancouver ClinicVancouver · 42 sites	-	366	655	Decision makers
22	Seattle Orthopedic CenterSeattle · 102 sites	-	346	736	Decision makers
23	MultiCare Yakima MemorialYakima · 43 sites	Parent on file	329	477	Decision makers
24	Skagit Regional ClinicsMount Vernon · 38 sites	Parent on file	307	506	Decision makers
25	Providence SwedishSeattle · 40 sites	Parent on file	289	438	Decision makers
26	Kadlec Regional Medical CenterRichland · 39 sites	Parent on file	268	462	Decision makers
27	PeaceHealth Medical GroupVancouver · 30 sites	Parent on file	238	405	Decision makers
28	RadiaLynnwood · 191 sites	-	208	239	Decision makers
29	Pacific Medical Centers (PacMed)Seattle · 22 sites	Parent on file	202	289	Decision makers
30	Legacy Salmon Creek Medical CenterVancouver · 16 sites	Parent on file	200	320	Decision makers
31	Sea Mar Community Health CentersAberdeen · 57 sites	Parent on file	197	502	Decision makers
32	Harborview Medical CenterSeattle · 16 sites	Parent on file	181	289	Decision makers
33	Providence Medical Group - Southeast Washington (Walla Walla)Walla Walla · 41 sites	Parent on file	177	268	Decision makers
34	PeaceHealth Medical GroupVancouver · 27 sites	Parent on file	175	289	Decision makers
35	U.S. Anesthesia Partners of WashingtonSeattle · 13 sites	Parent on file	174	211	Decision makers
36	Swedish Radia EdmondsLynnwood · 59 sites	-	173	192	Decision makers
37	RadiaLynnwood · 64 sites	-	172	195	Decision makers
38	RadiaLynnwood · 24 sites	-	167	191	Decision makers
39	HealthPointRenton · 34 sites	Parent on file	166	326	Decision makers
40	PeaceHealth St. John Medical CenterLongview · 17 sites	Parent on file	155	264	Decision makers
41	South Sound RadiologyLynnwood · 28 sites	-	154	170	Decision makers
42	Northwest Observation Associates PCFederal Way · 29 sites	-	148	178	Decision makers
43	TRA Medical ImagingTacoma · 136 sites	-	142	157	Decision makers
44	Diagnostic Imaging NorthwestTacoma · 72 sites	Parent on file	139	157	Decision makers
45	Swedish Imaging ClinicsEverett · 5 sites	Parent on file	138	140	Decision makers
46	University of Washington Medical CenterSeattle · 15 sites	Parent on file	137	246	Decision makers
47	Union Avenue Open MRITacoma · 30 sites	-	136	152	Decision makers
48	Three Rivers HospitalBrewster · 2 sites	Parent on file	132	155	Decision makers
49	Pacific AnesthesiaBellevue · 11 sites	-	131	135	Decision makers
50	Jefferson HealthcarePort Townsend · 13 sites	Parent on file	130	200	Decision makers

Showing 1 to 10 of 1,953 medical groups in Washington

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

Providence Health & Services has the most physicians in Washington medical groups, with 3,239 across 25 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 53 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	Providence Health & ServicesHealth system	25	3,239	5,431
2	University of WashingtonAcademic health system	4	2,859	4,374
3	MultiCare Health SystemHealth system	15	2,565	5,561
4	CommonSpirit HealthHealth system	7	1,677	2,632
5	UnitedHealth GroupDiversified health company	3	1,082	1,607
6	Seattle Children's Hospital, Research Institute and FoundationHealth system	4	1,080	1,925
7	PeaceHealthHealth system	10	642	1,096
8	Confluence HealthHealth system	2	529	857
9	Skagit Regional HealthHealth system	3	314	513
10	Legacy HealthHealth system	2	201	322

Top 10 of 53 parent organizations with two or more Washington groups

Providence Health & ServicesHealth system · 25 Washington medical groups
Swedish Health ServicesMulti-specialty group · Seattle
Providence Medical GroupMulti-specialty group · Spokane
23 more Washington groups and their practice sites

See every medical group, site and clinician under Providence Health & Services

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 1,953 Washington medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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78% 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

Independent1,53378%
Health system or hospital1277%
Platform or corporate owner1377%
Community or government955%
Other organization613%

Source: Dmand AI Org Hierarchy Data

257 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 463

Each group is counted once, under its main specialty. Chiropractic groups are second, with 328, and 290 Washington groups are multi-specialty.

Source: Dmand AI Professional Profile Data

44,483 Washington HCPs work in Washington medical groups, 19,134 of them physicians

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

HCPs in Washington medical groups by type

Physicians (MD, DO)19,13443%
Nurses and nurse practitioners7,23216%
Behavioral health clinicians5,76013%
Therapists (PT and OT)3,8899%
Physician assistants3,8869%
Other HCPs4,58210%

Source: Dmand AI Affiliation Data

Seattle has the most medical groups in Washington, with 176

176medical groups in Seattle 136medical groups in Spokane 87medical groups in Vancouver 84medical groups in Tacoma 82medical groups in Bellingham 78medical groups in Bellevue

More Washington cities with medical groups

Source: Doctors and Clinicians National Downloadable File (CMS)

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

Free account: 30 days free, self-serve, no credit card.

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 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 1,953 medical groups in Washington with a Medicare PAC ID: 290 multi-specialty and 1,663 single-specialty.

What is the largest medical group in Washington?

UW Physicians in Seattle, with 2,833 physicians and 4,269 HCPs with a Washington address. MultiCare Indigo Urgent Care, Spokane, Newport Hwy. is second with 1,703, and Washington Permanente Medical Group, P.C. is third with 1,612.

Which health system has the most medical groups in Washington?

By physicians, Providence Health & Services, with 3,239 across 25 groups, followed by University of Washington with 2,859 and MultiCare Health System with 2,565.

How many Washington medical groups are independent?

1,533, or 78%, have no larger parent organization in the Dmand AI org hierarchy. 127 belong to a health system or hospital and 137 to a physician platform or corporate owner.

How many Washington medical groups practice at a hospital?

257 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.

How do I find decision makers at Washington medical groups?

Open a group's profile for its parent organization and leaders, then get work emails and mobile numbers through Dmand AI's healthcare waterfall enrichment. 30 days free, self-serve, no credit card.

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