Geriatric medicine (internal medicine) physicians in California

  • Geriatric medicine (internal medicine)
  • California
Geriatric medicine (internal medicine) physicians
561
Linked to a hospital or group
439
Hospitals with a geriatric medicine (internal medicine) physician
173
Medical groups with a geriatric medicine (internal medicine) physician
214
Cities
167

There are 561 geriatric medicine (internal medicine) physicians in California. The Permanente Medical Group, Inc. has the most, 43, and Ronald Reagan UCLA Medical Center has the most affiliated geriatric medicine (internal medicine) physicians, 26. San Francisco is home to 58, and 45% finished medical school 30 or more years ago.

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California geriatric medicine (internal medicine) physicians, listed A to Z by last name

Each geriatric medicine (internal medicine) physician on the list has geriatric medicine (internal medicine) as their primary specialty and a California practice address. The list shows the NPI and city, 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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California geriatric medicine (internal medicine) physicians, A to Z
Geriatric medicine (internal medicine) physicianHospitalsMedical groupsEmail and phone
Adil A. Abbasi, MDSan Diego · NPI 15482613162 hospitals11 groupsContacts
Marie AdachiCastro Valley · NPI 16294967401 hospital1 groupContacts
Pouya Afshar, MDSan Diego · NPI 1184958977-3 groupsContacts
Mark E. Agnew, MDFullerton · NPI 1992898704-1 groupContacts
Parag Agnihotri, MDSan Diego · NPI 14473510851 hospital1 groupContacts
Andreas George Ahlas, MDFresno · NPI 13262008331 hospital1 groupContacts
Eman Ahmad, MDColton · NPI 15486497753 hospitals2 groupsContacts
Waseem Ahmed, MDSan Diego · NPI 1386803559-1 groupContacts
Paul Stephen AisenSan Diego · NPI 1669470753--Contacts
Mahmuda Akhter Alam, MDSylmar · NPI 1568659985-1 groupContacts
Cathy A. Alessi, MDNorth Hills · NPI 1134224983--Contacts
Rabe Elias Jamil Alhurani, MDVictorville · NPI 17407783981 hospital1 groupContacts
Rashid Altafi, MDLake Elsinore · NPI 1285948943-5 groupsContacts
Kathryn Amacher, DOLodi · NPI 13665455681 hospital2 groupsContacts
Roxana Aminbakhsh, MDRoseville · NPI 16099703182 hospitals1 groupContacts
Omar Amir, MD, MSLos Angeles · NPI 19829681942 hospitals2 groupsContacts
Dana H. Andrews, MDAlhambra · NPI 1306885199-1 groupContacts
Tessa Marcelle Buchan Antalan, MDSan Diego · NPI 14273467581 hospital4 groupsContacts
Kevin Neil Antonio, MDSan Diego · NPI 17707609511 hospital1 groupContacts
Linda E. Aoyama, MDVenice · NPI 1760458533-1 groupContacts
Silvia Cristina Arizaga, MDStockton · NPI 1710009121-1 groupContacts
Merlyn M. Asuncion, MDNorthridge · NPI 16796561932 hospitals2 groupsContacts
Myo M. Aung, MDSanta Clara · NPI 1588741441-1 groupContacts
Zaw Moe Aung, MDEl Monte · NPI 1518261510--Contacts
Than Aye Aw, MDFresno · NPI 17402954191 hospital2 groupsContacts
Vanessa AwadBakersfield · NPI 18317612381 hospital1 groupContacts
Sara Solmaz Azar, MDCorona · NPI 1467626986--Contacts
Nooshin Bahaie-Khani, MD, PhDSan Diego · NPI 1265879803-1 groupContacts
Anshu Bais, MDLos Angeles · NPI 15483791001 hospital4 groupsContacts
Brittany Barba, MDSan Francisco · NPI 19722449601 hospital3 groupsContacts
Eric P. Barco, MDOceanside · NPI 16199400951 hospital2 groupsContacts
Cary Gresham Bayne, MDSan Diego · NPI 1366463218-1 groupContacts
Theresa M. Berta, MDSan Francisco · NPI 13160876121 hospital-Contacts
Samir Bhalla, MDPomona · NPI 1922365170-1 groupContacts
Ankur Bharija, MBBSStanford · NPI 1245442821--Contacts
Ravnit K. Bhatia, DORedwood City · NPI 1093208084-1 groupContacts
Shivani Bhutani, MDCarmichael · NPI 17000622701 hospital1 groupContacts
Irving Aaron Bloom, MDLos Angeles · NPI 1679664502-1 groupContacts
Marielle Celis Bolano, MDLos Angeles · NPI 10537661961 hospital4 groupsContacts
Scott M. Bolhack, MDCovina · NPI 1730160573-3 groupsContacts
Gilbert Bourjeily, MDTehachapi · NPI 1285882373--Contacts
Rebecca S. Boxer, MDSacramento · NPI 16593048301 hospital2 groupsContacts
Ira Richard Braverman, MDNational City · NPI 11240397554 hospitals-Contacts
Rosemary Siobhan Browne, MDCovina · NPI 1508808502-2 groupsContacts
Rodney K. Bryant, MDWest Hills · NPI 19826546385 hospitals3 groupsContacts
Catherine K. Buchanan, MDHesperia · NPI 1114903341-1 groupContacts
Albert K. Bui, MDHacienda Heights · NPI 15485361881 hospital2 groupsContacts
Edgar A. Calvelo, MDYountville · NPI 1912971995--Contacts
Wynnelena Canlas Canio, MDVallejo · NPI 11544431172 hospitals1 groupContacts
Mira Cantrell, MDVentura · NPI 19321470551 hospital-Contacts

Showing 1 to 50 of 497 California geriatric medicine (internal medicine) physicians

The list shows the 497 geriatric medicine (internal medicine) physicians with a public profile. The other 64 are counted in the total and searchable with a free account.

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

For health IT teams

Find California geriatric medicine (internal medicine) physicians by the EHR they use

Dmand AI has the EHR for 478 of 561 California geriatric medicine (internal medicine) physicians, 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.

The Permanente Medical Group, Inc. has the most geriatric medicine (internal medicine) physicians in California, with 43

UCLA Medical Group is second with 24, and Southern California Permanente Medical Group third with 24. Counts are geriatric medicine (internal medicine) physicians with a California address linked to each group.

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

Ronald Reagan UCLA Medical Center has the most affiliated geriatric medicine (internal medicine) physicians in California, with 26

UCLA Santa Monica Medical Center is second with 21, and UCSF Helen Diller Medical Center at Parnassus Heights third with 21. California geriatric medicine (internal medicine) physicians are affiliated with 173 hospitals in all.

Hospitals with the most geriatric medicine (internal medicine) physicians in California
#HospitalHealth systemGeriatric medicine (internal medicine) physicians
1Ronald Reagan UCLA Medical CenterLos AngelesUniversity of California Health26
2UCLA Santa Monica Medical CenterSanta MonicaUniversity of California Health21
3UCSF Helen Diller Medical Center at Parnassus HeightsSan FranciscoUniversity of California Health21
4Scripps Green HospitalLa JollaScripps Health19
5Hillcrest Medical CenterSan DiegoUniversity of California Health15
6Cedars-Sinai Medical CenterLos AngelesCedars-Sinai Health System11
7UCI Health - OrangeOrangeUC Irvine8
8Stanford Hospital at 300 Pasteur DriveStanfordStanford University8
9Hoag Hospital Newport BeachNewport BeachHoag Memorial Hospital Presbyterian6
10Harbor-UCLA Medical CenterTorranceCounty of Los Angeles6

Top 10 of 173 California hospitals with an affiliated geriatric medicine (internal medicine) physicianAll 417 California hospitals

See every hospital and group for each California geriatric medicine (internal medicine) physician

Each public profile names one place a geriatric medicine (internal medicine) physician practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

San Francisco has the most geriatric medicine (internal medicine) physicians in California, with 58

More California cities with geriatric medicine (internal medicine) physicians

  • Stockton10
  • Fresno9
  • Orange9
  • La Jolla8
  • Loma Linda8
  • Oakland8
  • San Jose8
  • Santa Clara8
  • Stanford8

Geriatric medicine (internal medicine) physicians practice in 167 California cities. Every city with 10 or more has its own page.

Source: NPPES NPI Registry (CMS)

Most California geriatric medicine (internal medicine) physicians practice at a hospital: 300 of the 417 with a mapped site

227 also practice at a medical group site, and 126 at home health agencies. A geriatric medicine (internal medicine) physician can practice at several kinds of site, so the shares overlap.

California geriatric medicine (internal medicine) physicians by site of care

  1. Hospitals300
  2. Medical group practices227
  3. Home health agencies126
  4. Skilled nursing facilities110
  5. Hospices86

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

45% of California geriatric medicine (internal medicine) physicians finished medical school 30 or more years ago

157 of the 349 California geriatric medicine (internal medicine) physicians with a graduation year on file. 42 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago42
  2. 10 to 19 years ago67
  3. 20 to 29 years ago83
  4. 30 to 39 years ago75
  5. 40 or more years ago82

Source: Dmand AI Professional Profile Data

Every California geriatric medicine (internal medicine) physician 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 California geriatric medicine (internal medicine) physician directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Geriatric medicine (internal medicine) physicians are HCPs whose primary specialty is geriatric medicine (internal medicine) (taxonomy code 207RG0300X), with an active NPI and a California practice address.

FAQ

Frequently asked questions about geriatric medicine (internal medicine) physicians in California

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many geriatric medicine (internal medicine) physicians are in California?

561 geriatric medicine (internal medicine) physicians have an active NPI, a California practice address and geriatric medicine (internal medicine) (taxonomy code 207RG0300X) as their primary specialty. 439 of them are linked to a hospital or medical group.

Which California medical groups have the most geriatric medicine (internal medicine) physicians?

The Permanente Medical Group, Inc., with 43, followed by UCLA Medical Group with 24 and Southern California Permanente Medical Group with 24.

Which California hospitals have the most geriatric medicine (internal medicine) physicians?

Ronald Reagan UCLA Medical Center, with 26 affiliated geriatric medicine (internal medicine) physicians, followed by UCLA Santa Monica Medical Center with 21 and UCSF Helen Diller Medical Center at Parnassus Heights with 21.

Which California cities have the most geriatric medicine (internal medicine) physicians?

San Francisco, with 58, followed by Los Angeles (57) and San Diego (41). Geriatric medicine (internal medicine) physicians practice in 167 California cities in all.

How many California geriatric medicine (internal medicine) physicians finished medical school 30 or more years ago?

157 of the 349 with a graduation year on file, or 45%. 42 graduated in the last 10 years.

What is the taxonomy code for geriatric medicine (internal medicine)?

207RG0300X is the NPPES taxonomy code for geriatric medicine (internal medicine). Sub-specialties with their own code are counted on their own lists.

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