Updated October 2026

Medical groups in Portland, OR

Medical group directory
Portland, Oregon

Medical groups: 261
Multi-specialty: 54
Single-specialty: 206
More than one site: 127
100+ physicians: 15

There are 261 medical groups in Portland with a Medicare PAC ID. Kaiser Permanente Northwest is the largest, with 1,782 Oregon physicians, followed by Oregon Health & Science University (OHSU) with 1,590. 77% of Portland groups are independent.

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

Ranked by physicians with an Oregon address linked to each group based in Portland. Oregon Health & Science University (OHSU) is second with 1,590, and Legacy Medical Group-Northwest third with 630. 15 Portland groups have 100 or more physicians.

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Medical groups in Portland, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	NW Dermatology InstitutePortland · 1 site	-	6	10	Decision makers
52	TS Billings, LLCPortland · 4 sites	Parent on file	6	10	Decision makers
53	Northwest Rheumatology AssociatesPortland · 1 site	-	6	6	Decision makers
54	Housecall ProvidersPortland · 2 sites	Parent on file	5	33	Decision makers
55	Outside InPortland · 7 sites	Parent on file	5	28	Decision makers
56	Pediatric Cardiology Center of OregonPortland · 3 sites	-	5	7	Decision makers
57	Head and Neck Surgical AssociatesPortland · 1 site	-	5	6	Decision makers
58	Columbia ClinicPortland · 2 sites	Parent on file	4	12	Decision makers
59	Baker Allergy & AsthmaPortland · 2 sites	-	4	6	Decision makers
60	Portland Plastic Surgery GroupPortland · 1 site	-	4	6	Decision makers
61	Colorectal Health NWPortland · 1 site	-	4	4	Decision makers
62	Boulder CarePortland · 10 sites	-	3	23	Decision makers
63	Pacific Sleep ProgramPortland · 1 site	-	3	9	Decision makers
64	Oregon Dermatology & Research CenterPortland · 2 sites	-	3	7	Decision makers
65	Pearl Women's CenterPortland · 1 site	-	3	7	Decision makers
66	Oregon Behavioral Health SolutionsPortland · 1 site	Parent on file	3	5	Decision makers
67	Oregon Sleep AssociatesPortland · 1 site	-	3	4	Decision makers
68	Mindful Health NorthwestPortland · 1 site	-	3	3	Decision makers
69	Morlen HealthPortland · 1 site	-	3	3	Decision makers
70	Northwest Minimally Invasive SurgeryPortland · 2 sites	-	3	3	Decision makers
71	Women's Healthcare Clinic of Oregon, P.C.Portland · 1 site	-	3	3	Decision makers
72	Woodstock Family MedicinePortland · 1 site	-	3	3	Decision makers
73	Northwest Extremity SpecialistsPortland · 5 sites	Parent on file	2	24	Decision makers
74	Evolve HealthPortland · 3 sites	-	2	12	Decision makers
75	PDX ENT & Audiology Medical GroupPortland · 2 sites	-	2	9	Decision makers
76	Knott Street DermatologyPortland · 1 site	-	2	6	Decision makers
77	Synergy Women's Health CarePortland · 2 sites	-	2	6	Decision makers
78	Northwest Spine SurgeryPortland · 1 site	-	2	5	Decision makers
79	Shanti Recovery & WellnessPortland · 1 site	-	2	5	Decision makers
80	The Eye Group AssociatesPortland · 1 site	-	2	5	Decision makers
81	Advanced Vascular CentersPortland · 1 site	-	2	4	Decision makers
82	NW Brain & Spine SurgeryPortland · 1 site	-	2	4	Decision makers
83	Portland NeurosurgeryPortland · 1 site	-	2	4	Decision makers
84	Oregon Weight Loss SurgeryPortland · 1 site	-	2	3	Decision makers
85	The Biemer ClinicPortland · 1 site	-	2	3	Decision makers
86	The Endocrine ClinicPortland · 2 sites	-	2	3	Decision makers
87	Care PartnersPortland · 1 site	Parent on file	2	2	Decision makers
88	East Portland NeurologyPortland · 1 site	-	2	2	Decision makers
89	Oregon Outpatient Anesthesia AssociatesPortland · 2 sites	-	2	2	Decision makers
90	Retina NorthwestPortland · 8 sites	-	2	2	Decision makers
91	Somnique Sleep HealthPortland · 1 site	-	2	2	Decision makers
92	Lutheran Community Services NorthwestPortland · 8 sites	Parent on file	1	43	Decision makers
93	BestMind Behavioral HealthPortland · 3 sites	Parent on file	1	20	Decision makers
94	Pearl Health CenterPortland · 3 sites	-	1	20	Decision makers
95	Fora Health Treatment & RecoveryPortland · 3 sites	Parent on file	1	18	Decision makers
96	Bridgetown Physical Therapy & Training StudioPortland · 3 sites	-	1	14	Decision makers
97	Merritt Health and WellnessPortland · 4 sites	-	1	8	Decision makers
98	Know AllergyPortland · 2 sites	-	1	5	Decision makers
99	NorthStar PsychiatryPortland · 1 site	-	1	5	Decision makers
100	Portland Urgent CarePortland · 2 sites	Parent on file	1	5	Decision makers

Showing 51 to 100 of 261 medical groups in Portland

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

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