Updated October 2026

Medical groups in Oregon

Medical group directory
Oregon

Medical groups: 1,341
Multi-specialty: 262
Single-specialty: 1,078
More than one site: 632
100+ physicians: 48

There are 1,341 medical groups in Oregon with a Medicare PAC ID. Kaiser Permanente Northwest is the largest, with 1,782 Oregon physicians. State of Oregon has the most physicians across its groups, 1,716, and 77% of Oregon groups are independent.

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Kaiser Permanente Northwest is the largest medical group in Oregon, with 1,782 physicians

Ranked by physicians with an Oregon address linked to each group. Oregon Health & Science University (OHSU) is second with 1,590, and Providence Medical Group, Oregon third with 998. 48 Oregon groups have 100 or more physicians.

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Medical groups in Oregon, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Kaiser Permanente NorthwestPortland · 195 sites	Parent on file	1,782	2,932	Decision makers
2	Oregon Health & Science University (OHSU)Portland · 121 sites	Parent on file	1,590	2,392	Decision makers
3	Providence Medical Group, OregonLake Oswego · 143 sites	Parent on file	998	1,728	Decision makers
4	Legacy Medical Group-NorthwestPortland · 115 sites	Parent on file	630	1,021	Decision makers
5	Providence Medical Group - OregonPortland · 43 sites	Parent on file	538	796	Decision makers
6	Hillsboro Medical Center (Tuality Healthcare)Portland · 24 sites	Parent on file	496	639	Decision makers
7	Providence Portland Medical CenterPortland · 31 sites	Parent on file	468	666	Decision makers
8	Legacy Emanuel Medical CenterPortland · 28 sites	Parent on file	441	664	Decision makers
9	Salem HealthSalem · 31 sites	Parent on file	382	592	Decision makers
10	Good Samaritan Regional Medical CenterCorvallis · 37 sites	Parent on file	357	581	Decision makers
11	Samaritan Lebanon Community HospitalLebanon · 21 sites	Parent on file	317	466	Decision makers
12	Samaritan Albany General HospitalAlbany · 29 sites	Parent on file	309	463	Decision makers
13	Samaritan Medical Group Occupational Medicine - NewportNewport · 13 sites	Parent on file	268	406	Decision makers
14	The Oregon ClinicPortland · 39 sites	Parent on file	260	408	Decision makers
15	Legacy Silverton Medical CenterSilverton · 15 sites	Parent on file	248	394	Decision makers
16	St. Charles Health SystemBend · 26 sites	Parent on file	238	379	Decision makers
17	Legacy Good Samaritan Medical CenterPortland · 18 sites	Parent on file	237	357	Decision makers
18	Adventist Health PortlandPortland · 13 sites	Parent on file	233	337	Decision makers
19	St. Charles Health SystemBend · 31 sites	Parent on file	228	456	Decision makers
20	Samaritan North Lincoln HospitalLincoln City · 7 sites	Parent on file	218	310	Decision makers
21	PeaceHealth Medical Group Behavioral HealthEugene · 32 sites	Parent on file	214	430	Decision makers
22	Providence Seaside HospitalSeaside · 5 sites	Parent on file	211	292	Decision makers
23	Sky Lakes Medical CenterKlamath Falls · 16 sites	Parent on file	202	322	Decision makers
24	Summit HealthBend · 19 sites	Parent on file	201	340	Decision makers
25	Providence Hood River Memorial HospitalHood River · 12 sites	Parent on file	197	254	Decision makers
26	Oregon Anesthesiology GroupPortland · 27 sites	-	196	232	Decision makers
27	West Valley HospitalDallas · 11 sites	Parent on file	191	257	Decision makers
28	Providence Milwaukie HospitalMilwaukie · 4 sites	Parent on file	191	204	Decision makers
29	Asante Physician PartnersMedford · 33 sites	Parent on file	186	285	Decision makers
30	Providence Medford Medical CenterMedford · 13 sites	Parent on file	183	263	Decision makers
31	Sacred Heart PhysiciansSpringfield · 18 sites	Parent on file	182	269	Decision makers
32	Providence Newberg Medical CenterNewberg · 5 sites	Parent on file	172	200	Decision makers
33	Providence Willamette Falls Medical CenterOregon City · 5 sites	Parent on file	170	187	Decision makers
34	Asante Rogue Regional Medical CenterMedford · 12 sites	Parent on file	162	244	Decision makers
35	Legacy Meridian Park Medical CenterTualatin · 11 sites	Parent on file	151	215	Decision makers
36	Bay Area HospitalCoos Bay · 7 sites	Parent on file	145	188	Decision makers
37	Good Shepherd Medical GroupHermiston · 7 sites	Parent on file	134	193	Decision makers
38	TualityPortland · 11 sites	Parent on file	134	164	Decision makers
39	Columbia Memorial HospitalAstoria · 11 sites	Parent on file	133	240	Decision makers
40	OHSU Department of Anesthesiology and Perioperative MedicinePortland · 7 sites	Parent on file	131	269	Decision makers
41	Asante Three Rivers Medical CenterGrants Pass · 4 sites	Parent on file	126	200	Decision makers
42	Northwest Acute Care SpecialistsPortland · 18 sites	Parent on file	122	192	Decision makers
43	Adventist Health Columbia GorgeThe Dalles · 11 sites	Parent on file	115	170	Decision makers
44	Oregon Medical GroupEugene · 48 sites	Parent on file	114	206	Decision makers
45	PeaceHealth Internal MedicineFlorence · 7 sites	Parent on file	114	165	Decision makers
46	Adventist Health PortlandPortland · 12 sites	Parent on file	111	139	Decision makers
47	North Bend Medical CenterCoos Bay · 16 sites	-	104	195	Decision makers
48	Adventist Health TillamookTillamook · 17 sites	Parent on file	102	157	Decision makers
49	Providence Medical Group, OregonMedford · 21 sites	Parent on file	98	190	Decision makers
50	Santiam Hospital & ClinicsStayton · 10 sites	Parent on file	95	174	Decision makers

Showing 1 to 10 of 1,341 medical groups in Oregon

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

State of Oregon has the most physicians in Oregon medical groups, with 1,716 across 6 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 32 parent organizations have two or more Oregon medical groups. Among health systems, Providence Health & Services has the most groups, 17. Each clinician counts once per parent organization.

Parent organizations with the most Oregon medical groups
#	Parent organization	Oregon groups	Physicians	HCPs
1	State of OregonState government	6	1,716	2,727
2	Providence Health & ServicesHealth system	17	1,524	2,577
3	Legacy HealthHealth system	7	1,101	1,871
4	MultiCare Health SystemHealth system	8	608	971
5	Hillsboro Medical CenterHealth system	3	551	727
6	Salem Health Hospitals and ClinicsHealth system	2	474	760
7	PeaceHealthHealth system	7	463	967
8	Adventist HealthHealth system	4	425	638
9	Asante Health SystemHealth system	5	364	548
10	St. Charles Health SystemHealth system	3	340	629

Top 10 of 32 parent organizations with two or more Oregon groups

State of OregonState government · 6 Oregon medical groups
Oregon Health & Science University (OHSU)Multi-specialty group · Portland
OHSU Department of Anesthesiology and Perioperative MedicineMedical group · Portland
4 more Oregon groups and their practice sites

See every medical group, site and clinician under State of Oregon

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 1,341 Oregon medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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77% of Oregon 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.

Oregon medical groups by ownership

Independent1,03077%
Health system or hospital856%
Platform or corporate owner675%
Community or government1018%
Other organization584%

Source: Dmand AI Org Hierarchy Data

171 Oregon 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 Oregon, with 312

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 225, and 262 Oregon groups are multi-specialty.

Source: Dmand AI Professional Profile Data

26,953 Oregon HCPs work in Oregon medical groups, 11,358 of them physicians

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

HCPs in Oregon medical groups by type

Physicians (MD, DO)11,35842%
Behavioral health clinicians4,55317%
Nurses and nurse practitioners4,03415%
Physician assistants2,63110%
Therapists (PT and OT)1,8857%
Other HCPs2,4929%

Source: Dmand AI Affiliation Data

Portland has the most medical groups in Oregon, with 261

261medical groups in Portland 108medical groups in Bend 98medical groups in Eugene 84medical groups in Salem 81medical groups in Medford 37medical groups in Roseburg

More Oregon cities with medical groups

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Oregon 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 Oregon 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 Oregon

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 Oregon?

There are 1,341 medical groups in Oregon with a Medicare PAC ID: 262 multi-specialty and 1,078 single-specialty.

What is the largest medical group in Oregon?

Kaiser Permanente Northwest in Portland, with 1,782 physicians and 2,932 HCPs with an Oregon address. Oregon Health & Science University (OHSU) is second with 1,590, and Providence Medical Group, Oregon is third with 998.

Which health system has the most medical groups in Oregon?

By physicians, State of Oregon, with 1,716 across 6 groups, followed by Providence Health & Services with 1,524 and Legacy Health with 1,101.

How many Oregon medical groups are independent?

1,030, or 77%, have no larger parent organization in the Dmand AI org hierarchy. 85 belong to a health system or hospital and 67 to a physician platform or corporate owner.

How many Oregon medical groups practice at a hospital?

171 Oregon 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 Oregon 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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