Updated October 2026

Internists in San Francisco, CA

Internal medicine
San Francisco, California

Internists: 1,362
Linked to a hospital or group: 1,025
Hospitals with an internist: 72
Medical groups with an internist: 149
Practice at a hospital: 814

There are 1,362 internists in San Francisco. UCSF Pediatrics has the most, 351, and UCSF Helen Diller Medical Center at Parnassus Heights has the most affiliated internists, 374. 27% finished medical school 30 or more years ago.

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San Francisco internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and a San Francisco practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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San Francisco internists, A to Z
Internist	Hospitals	Medical groups	Email and phone
Luba Natalie Abascal, MDNPI 1023180874	1 hospital	1 group	Contacts
Elizabeth Sarah Abbs, MDNPI 1295269983	2 hospitals	2 groups	Contacts
Rebecca A. Abelman, MDNPI 1205364072	1 hospital	5 groups	Contacts
Jesse Forrest Abelson, MDNPI 1083843817	-	-	Contacts
Pedro Aceves-Casillas, MDNPI 1144252396	-	-	Contacts
Meredith Ann AdamoNPI 1962906941	1 hospital	1 group	Contacts
Joan F. Addington-White, MDNPI 1730142670	1 hospital	2 groups	Contacts
Anupam Aditi, MDNPI 1407084494	5 hospitals	1 group	Contacts
Joshua S. Adler, MDNPI 1194781351	1 hospital	4 groups	Contacts
Paul Adler, MDNPI 1568889772	1 hospital	1 group	Contacts
Anousheh Afjei, MDNPI 1992365431	2 hospitals	6 groups	Contacts
Nima Afshar, MDNPI 1366539843	1 hospital	1 group	Contacts
Priyanka Agarwal, MDNPI 1083934665	1 hospital	2 groups	Contacts
Ishita Aggarwal, MDNPI 1518385699	1 hospital	1 group	Contacts
Rahul R. Aggarwal, MDNPI 1174794309	1 hospital	4 groups	Contacts
Sona L. Aggarwal, MDNPI 1417065228	1 hospital	2 groups	Contacts
Shahab Aghamir, MDNPI 1275778243	2 hospitals	1 group	Contacts
Nithya V. Agrawal, MD, MPH, MSNPI 1982811212	-	2 groups	Contacts
Claudine J M Aguilera, MDNPI 1417121138	1 hospital	5 groups	Contacts
Ameena T. Ahmed, MDNPI 1700962230	-	1 group	Contacts
Lesley A. Aiken, MDNPI 1629156120	1 hospital	1 group	Contacts
John R. Akin, MDNPI 1609987130	-	-	Contacts
Sarah C. Alba-Nguyen, MDNPI 1972893188	1 hospital	4 groups	Contacts
Danielle Leigh Solomon Alhemovich, DONPI 1831552611	4 hospitals	4 groups	Contacts
Sarvenaz Alibeigi, MDNPI 1639504251	1 hospital	4 groups	Contacts
Narges Alipanah-Lechner, MDNPI 1356737282	2 hospitals	5 groups	Contacts
Gregory Maness Allen, MDNPI 1376986331	3 hospitals	4 groups	Contacts
Leigh Mitchell Allen, MDNPI 1548355118	1 hospital	1 group	Contacts
Michelle Allen, MDNPI 1679515688	-	1 group	Contacts
Charles Putney Allison, MDNPI 1376541060	3 hospitals	2 groups	Contacts
Sidney H. Allison, MDNPI 1275893752	8 hospitals	15 groups	Contacts
Daniel Alexander Ames, MDNPI 1902162456	2 hospitals	1 group	Contacts
Afsaneh Amouzegar, MDNPI 1609432038	1 hospital	4 groups	Contacts
William Stanley Andereck, MDNPI 1699800219	-	-	Contacts
Alexander Y. Andreev-Drakhlin, MDNPI 1770978488	1 hospital	2 groups	Contacts
Kwan-Keat AngNPI 1447887666	-	2 groups	Contacts
Michael Aquino Apolinario, MDNPI 1972065563	1 hospital	3 groups	Contacts
Nicole Ann Appelle, MDNPI 1144413501	3 hospitals	4 groups	Contacts
David Francisco Arboleda, MDNPI 1497135222	1 hospital	3 groups	Contacts
Hannah Linn Archibald, MDNPI 1801356746	5 hospitals	4 groups	Contacts
Rima Arnaout, MDNPI 1871798470	1 hospital	4 groups	Contacts
Millie B. AroraNPI 1003347527	2 hospitals	4 groups	Contacts
Gary Arsham, MDNPI 1487646758	-	-	Contacts
Kingsley Appaw Asare, DONPI 1619120557	1 hospital	1 group	Contacts
Edgar AsiimweNPI 1396372298	1 hospital	6 groups	Contacts
Elisabeth Thames Boehme Askin, MDNPI 1043639503	3 hospitals	4 groups	Contacts
Alishba Khan Ata, DONPI 1053873711	-	2 groups	Contacts
Kamran AtabaiNPI 1992816680	2 hospitals	2 groups	Contacts
Andrew D. Auerbach, MDNPI 1710944889	1 hospital	3 groups	Contacts
Hnin Pyie Phyoe Aung, MDNPI 1851087738	2 hospitals	1 group	Contacts

Showing 1 to 50 of 1,127 San Francisco internists

The list shows the 1,127 internists with a public profile. The other 235 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

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Dmand AI has the EHR for 1,276 of 1,362 San Francisco internists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

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UCSF Pediatrics has the most internists in San Francisco, with 351

UCSF Medical Group is second with 337, and UCSF Division of General Internal Medicine third with 330. Counts are internists with a California address linked to each group.

Medical groups with the most internists in San Francisco
#	Medical group	Parent organization	Internists
1	UCSF PediatricsSan Francisco	Parent on file	351
2	UCSF Medical GroupSan Francisco	Parent on file	337
3	UCSF Division of General Internal MedicineSan Francisco	Parent on file	330
4	San Francisco Public Health LaboratorySan Francisco	Parent on file	179
5	UCSF Department of Radiology & Biomedical ImagingSan Francisco	Parent on file	169
6	UCSF PediatricsSan Francisco	Parent on file	163
7	The Permanente Medical Group, Inc.Pleasanton	Parent on file	120
8	Pacific Inpatient Medical GroupSan Francisco	Parent on file	79
9	Palo Alto Foundation Medical GroupPalo Alto	Parent on file	41
10	UCSF Department of Anesthesia and Perioperative CareSan Francisco	Parent on file	22

Top 10 of 149 San Francisco medical groups with an internist

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

UCSF Helen Diller Medical Center at Parnassus Heights has the most affiliated internists in San Francisco, with 374

Zuckerberg San Francisco General Hospital and Trauma Center is second with 191, and California Pacific Medical Center Van Ness Campus third with 172. San Francisco internists are affiliated with 72 hospitals in all.

Hospitals with the most internists in San Francisco
#	Hospital	Health system	Internists
1	UCSF Helen Diller Medical Center at Parnassus HeightsSan Francisco	University of California Health	374
2	Zuckerberg San Francisco General Hospital and Trauma CenterSan Francisco	City and County of San Francisco, CA	191
3	California Pacific Medical Center Van Ness CampusSan Francisco	Sutter Health	172
4	California Pacific Medical Center Davies CampusSan Francisco	Sutter Health	94
5	UCSF Health Stanyan HospitalSan Francisco	University of California Health	83
6	California Pacific Medical Center Mission Bernal Campus & Orthopedic InstituteSan Francisco	Sutter Health	80
7	San Francisco Medical CenterSan Francisco	Kaiser Permanente	52
8	MarinHealth Medical CenterGreenbrae	Marin Healthcare District	51
9	San Francisco VA Medical CenterSan Francisco	Veterans Health Administration	44
10	Mills-Peninsula Medical CenterBurlingame	Sutter Health	35

Top 10 of 72 San Francisco hospitals with an affiliated internistAll 13 San Francisco hospitals

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Source: Dmand AI Affiliation Data

Most San Francisco internists practice at a hospital: 814 of the 1,007 with a mapped site

571 also practice at a medical group site, and 115 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.

San Francisco internists by site of care

Hospitals81481%
Medical group practices57157%
Home health agencies11511%
Breast imaging centers646%
Skilled nursing facilities434%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

27% of San Francisco internists finished medical school 30 or more years ago

236 of the 861 San Francisco internists with a graduation year on file. 175 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago17520%
10 to 19 years ago27432%
20 to 29 years ago17620%
30 to 39 years ago14317%
40 or more years ago9311%

Source: Dmand AI Professional Profile Data

Every San Francisco internist profile shows current hospitals and groups, Medicare activity and NPI details

Primary practiceThe main place they practice, with its type and cityOn every profile
Every site of careEach hospital, clinic and group where they practice nowWith a free account
EmployerThe organization they work for, when one is on fileWith a free account
Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
EHR in useThe EHR at each site where they practiceWith a free account
Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

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

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the San Francisco internist directory

Sources for the data on this page
Data on this page	Source
HCPs, types and specialties	NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groups	Dmand AI Affiliation Data
Medical school graduation year	Dmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracy Remove my information

Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a San Francisco practice address.

FAQ

Frequently asked questions about internists 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 internists are in San Francisco?

1,362 internists have an active NPI, a San Francisco practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 1,025 of them are linked to a hospital or medical group.

Which San Francisco medical groups have the most internists?

UCSF Pediatrics, with 351, followed by UCSF Medical Group with 337 and UCSF Division of General Internal Medicine with 330.

Which San Francisco hospitals have the most internists?

UCSF Helen Diller Medical Center at Parnassus Heights, with 374 affiliated internists, followed by Zuckerberg San Francisco General Hospital and Trauma Center with 191 and California Pacific Medical Center Van Ness Campus with 172.

What share of San Francisco internists practice at a hospital?

814 of the 1,007 San Francisco internists with a mapped site of care, or 81%, have a current hospital affiliation.

What is the taxonomy code for internal medicine?

207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.

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