Updated October 2026

Medical groups in San Francisco, CA

Medical group directory
San Francisco, California

Medical groups: 232
Multi-specialty: 50
Single-specialty: 182
More than one site: 112
100+ physicians: 14

There are 232 medical groups in San Francisco with a Medicare PAC ID. UCSF Pediatrics is the largest, with 3,527 California physicians, followed by UCSF Medical Group with 3,444. 54% of San Francisco groups are independent.

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UCSF Pediatrics is the largest medical group in San Francisco, with 3,527 physicians

Ranked by physicians with a California address linked to each group based in San Francisco. UCSF Medical Group is second with 3,444, and UCSF Department of Radiology & Biomedical Imaging third with 1,588. 14 San Francisco groups have 100 or more physicians.

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Medical groups in San Francisco, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	UCSF PediatricsSan Francisco · 125 sites	Parent on file	3,527	5,326	Decision makers
2	UCSF Medical GroupSan Francisco · 278 sites	Parent on file	3,444	5,191	Decision makers
3	UCSF Department of Radiology & Biomedical ImagingSan Francisco · 116 sites	Parent on file	1,588	1,830	Decision makers
4	UCSF PediatricsSan Francisco · 103 sites	Parent on file	1,549	2,276	Decision makers
5	UCSF Division of General Internal MedicineSan Francisco · 108 sites	Parent on file	1,150	2,084	Decision makers
6	San Francisco Public Health LaboratorySan Francisco · 128 sites	Parent on file	1,029	2,008	Decision makers
7	UCSF Department of Anesthesia and Perioperative CareSan Francisco · 39 sites	Parent on file	378	656	Decision makers
8	Ucsf Dept Of SurgerySan Francisco · 70 sites	Parent on file	266	783	Decision makers
9	UCSF Medical GroupSan Francisco · 34 sites	Parent on file	248	380	Decision makers
10	RadNet Medical Imaging - San FranciscoSan Francisco · 32 sites	Parent on file	225	229	Decision makers
11	Pacific Inpatient Medical GroupSan Francisco · 18 sites	Parent on file	186	206	Decision makers
12	San Francisco International Airport (SFO) Medical ClinicSan Francisco · 43 sites	Parent on file	181	218	Decision makers
13	Signify HealthSan Francisco · 15 sites	Parent on file	168	302	Decision makers
14	One MedicalSan Francisco · 69 sites	Parent on file	147	350	Decision makers
15	Doctor on DemandSan Francisco · 38 sites	Parent on file	95	305	Decision makers
16	One MedicalSan Francisco · 25 sites	Parent on file	68	118	Decision makers
17	UCSF Clinical Integrated PartnersSan Francisco · 5 sites	Parent on file	58	103	Decision makers
18	Circle MedicalSan Francisco · 24 sites	Parent on file	46	159	Decision makers
19	One MedicalSan Francisco · 18 sites	Parent on file	46	71	Decision makers
20	UCSF Medical GroupSan Francisco · 10 sites	Parent on file	39	119	Decision makers
21	Chinese HospitalSan Francisco · 7 sites	Parent on file	38	56	Decision makers
22	SFUPG Medical GroupSan Francisco · 5 sites	-	37	37	Decision makers
23	One MedicalSan Francisco · 45 sites	Parent on file	30	81	Decision makers
24	One MedicalSan Francisco · 17 sites	Parent on file	25	69	Decision makers
25	San Francisco Lung & SleepSan Francisco · 3 sites	-	25	27	Decision makers
26	Haight Ashbury Medical ClinicsSan Francisco · 10 sites	Parent on file	22	112	Decision makers
27	Mission Neighborhood Health CenterSan Francisco · 7 sites	Parent on file	21	42	Decision makers
28	Circle MedicalSan Francisco · 16 sites	Parent on file	20	69	Decision makers
29	Doctor On DemandSan Francisco · 11 sites	Parent on file	19	57	Decision makers
30	Anesthesiologists' Medical Group of San Francisco, Inc.San Francisco · 3 sites	-	19	20	Decision makers
31	California Pacific OrthopaedicsSan Francisco · 2 sites	-	17	35	Decision makers
32	Virta HealthSan Francisco · 2 sites	-	15	36	Decision makers
33	Golden Gate UrologySan Francisco · 7 sites	-	13	14	Decision makers
34	IGT Radiology (Image Guided Therapeutics)San Francisco · 9 sites	-	13	13	Decision makers
35	Altais Medical Group \| Bay WestSan Francisco · 7 sites	Parent on file	12	28	Decision makers
36	Circle MedicalSan Francisco · 6 sites	Parent on file	11	29	Decision makers
37	One MedicalSan Francisco · 9 sites	Parent on file	11	26	Decision makers
38	Pacific Eye AssociatesSan Francisco · 1 site	-	11	15	Decision makers
39	California Pacific Pathology Medical GroupSan Francisco · 10 sites	-	11	12	Decision makers
40	Cardiovascular Medical GroupSan Francisco · 2 sites	-	11	12	Decision makers
41	Kristin F. Wong, MDSan Francisco · 3 sites	-	11	12	Decision makers
42	Headspace CareSan Francisco · 7 sites	Parent on file	10	126	Decision makers
43	One MedicalSan Francisco · 10 sites	Parent on file	10	34	Decision makers
44	Lyon-Martin Community Health ServicesSan Francisco · 1 site	Parent on file	10	31	Decision makers
45	Golden Gate RadiologySan Francisco · 4 sites	-	10	10	Decision makers
46	Brightside HealthSan Francisco · 8 sites	Parent on file	9	117	Decision makers
47	Mercy Doctors Medical GroupSan Francisco · 1 site	-	9	13	Decision makers
48	West Coast RetinaSan Francisco · 4 sites	-	9	9	Decision makers
49	San Francisco Eye InstituteSan Francisco · 1 site	-	8	12	Decision makers
50	Downtown Medical GroupSan Francisco · 1 site	-	8	9	Decision makers

Showing 1 to 10 of 232 medical groups in San Francisco

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

University of California Health has the most physicians in San Francisco medical groups, with 4,570 across 13 groups

Dmand AI maps every San Francisco medical group to its parent organization, up to the health system or platform at the top. 14 parent organizations have two or more San Francisco medical groups. Each clinician counts once per parent organization.

Parent organizations with the most San Francisco medical groups
#	Parent organization	San Francisco groups	Physicians	HCPs
1	University of California HealthAcademic health system	13	4,570	6,808
2	AmazonManagement company	11	286	617
3	Included HealthPhysician practice platform	4	104	338
4	Well Health TechnologiesPhysician practice platform	4	51	169
5	Brightside HealthPhysician practice platform	6	11	252
6	Astrana HealthHealth system	5	9	18
7	Hill Physicians Medical GroupPhysician network (IPA or ACO)	2	4	4
8	Sutter HealthHealth system	2	3	4
9	Perry HealthHome-based care	3	2	13
10	Sleep ResetPhysician practice platform	2	2	5

Top 10 of 14 parent organizations with two or more San Francisco groups

University of California HealthAcademic health system · 13 San Francisco medical groups
UCSF PediatricsMulti-specialty group · 125 sites
UCSF Medical GroupMulti-specialty group · 278 sites
11 more San Francisco groups and their practice sites

See every medical group, site and clinician under University of California Health

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 232 San Francisco medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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54% of San Francisco 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.

San Francisco medical groups by ownership

Independent12554%
Health system or hospital2310%
Platform or corporate owner5423%
Community or government177%
Other organization136%

Source: Dmand AI Org Hierarchy Data

37 San Francisco 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 San Francisco, with 92

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 42, and 50 San Francisco groups are multi-specialty.

Source: Dmand AI Professional Profile Data

11,483 California HCPs work in San Francisco medical groups, 6,392 of them physicians

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

HCPs in San Francisco medical groups by type

Physicians (MD, DO)6,39256%
Nurses and nurse practitioners1,94117%
Behavioral health clinicians1,29511%
Non-clinical and support staff5575%
Physician assistants5455%
Other HCPs7537%

Source: Dmand AI Affiliation Data

Each San Francisco 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 San Francisco 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 San Francisco with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in San Francisco

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 San Francisco?

There are 232 medical groups based in San Francisco with a Medicare PAC ID: 50 multi-specialty and 182 single-specialty. 112 of them have more than one site.

What is the largest medical group in San Francisco?

UCSF Pediatrics, with 3,527 physicians and 5,326 HCPs with a California address. UCSF Medical Group is second with 3,444, and UCSF Department of Radiology & Biomedical Imaging is third with 1,588.

Which health system has the most medical groups in San Francisco?

By physicians, University of California Health, with 4,570 across 13 groups, followed by Amazon with 286 and Included Health with 104.

How many San Francisco medical groups are independent?

125, or 54%, have no larger parent organization in the Dmand AI org hierarchy. 23 belong to a health system or hospital and 54 to a physician platform or corporate owner.

How many San Francisco medical groups practice at a hospital?

37 San Francisco 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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