Internists in Anaheim, CA

  • Internal medicine
  • Anaheim, California
Internists
292
Linked to a hospital or group
267
Hospitals with an internist
54
Medical groups with an internist
73
Practice at a hospital
177

There are 292 internists in Anaheim. Southern California Permanente Medical Group has the most, 171, and Orange County - Anaheim Medical Center has the most affiliated internists, 107. 30% finished medical school 30 or more years ago.

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Anaheim internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and an Anaheim 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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Anaheim internists, A to Z
InternistHospitalsMedical groupsEmail and phone
Kareem Aboutalib, DONPI 12759799401 hospital2 groupsContacts
Yama Ahmad Afshar, DO, MPHNPI 10033784151 hospital1 groupContacts
Ryann Marie Ahern, MDNPI 13061491661 hospital1 groupContacts
Matthew Alcasid, MDNPI 16092578311 hospital1 groupContacts
Russell S. Alterman, DONPI 1487609939-3 groupsContacts
Rajeev K. Ambe, MDNPI 11342960721 hospital1 groupContacts
Mahmuda Khan Arora, MDNPI 19325627092 hospitals2 groupsContacts
Robert Frank Bader, MDNPI 1225111610-1 groupContacts
Mehrnaz Badie, MDNPI 18312128851 hospital2 groupsContacts
Jose Baeza, MDNPI 15686287251 hospital1 groupContacts
Adarsha S. Bajracharya, MDNPI 16898555613 hospitals3 groupsContacts
Jenny Van Banh, MDNPI 1083984827-1 groupContacts
Ricardo Bardales MendozaNPI 18011031301 hospital1 groupContacts
Herbert Charles Bazron Jr., MDNPI 16098030481 hospital2 groupsContacts
Eric Olson Benner, MDNPI 10636483433 hospitals3 groupsContacts
Alexander G. Berdy, MDNPI 1336216340-1 groupContacts
Terese Stavenjord Bergheim, MDNPI 1194146688-1 groupContacts
Jagminder Singh Bhalla, MDNPI 1003879743-1 groupContacts
Sharma L. Bishop, MDNPI 1538464235-2 groupsContacts
Pejman Bolourian, MDNPI 1114963360-1 groupContacts
Julie Brown, MDNPI 1457334070-1 groupContacts
Vince Patrick Cacho, MDNPI 14777593711 hospital1 groupContacts
Enelyn B. Canio, MDNPI 1508934936-1 groupContacts
Stuart David Cataldo, MDNPI 19625075903 hospitals1 groupContacts
Yin Chu Anny Chang, MDNPI 14879790431 hospital3 groupsContacts
Grace Chang Broderick, MDNPI 1548525264-1 groupContacts
Bharat B. Chaudry, MDNPI 11947543741 hospital1 groupContacts
Anita Chekuri, MDNPI 1700180775-1 groupContacts
Donald Y. Chen, MDNPI 1497822381-1 groupContacts
Paul Tien- Kung Cheng, MDNPI 12352061941 hospital1 groupContacts
Erica Kristen Childs, MDNPI 1952579997-1 groupContacts
Ruben W. Chin, MDNPI 1902829450--Contacts
Samuel Cho, MDNPI 15382175181 hospital1 groupContacts
Debby S. Chou, MDNPI 19827719031 hospital1 groupContacts
Joyce Iwen Chou, MDNPI 1497017503-1 groupContacts
Shenfon A. Chou, MDNPI 14373343561 hospital1 groupContacts
Raymond Chung, MDNPI 19221799931 hospital1 groupContacts
Lawrence Richard Cooper, MDNPI 18018956025 hospitals1 groupContacts
Samuel M. Costantini, MDNPI 1851468771-4 groupsContacts
Jonathan S. Crawford, MDNPI 14877024781 hospital1 groupContacts
Aida Devera Cruz, MDNPI 1982793527-1 groupContacts
Kristin J. Cummings, MDNPI 1700997095--Contacts
Ariba DadabhoyNPI 1164008645-1 groupContacts
Ammar Dahodwala, MDNPI 16992790672 hospitals2 groupsContacts
Smitha Daka, MDNPI 1811188451-2 groupsContacts
Danh Thanh Dan, MDNPI 17909176311 hospital1 groupContacts
Quynh Quoc Ai Dang, MDNPI 14879493433 hospitals9 groupsContacts
Pooja Siddharth DesaiNPI 19922007861 hospital1 groupContacts
Diana Sue Devera, DONPI 1629399563-2 groupsContacts
Maximo Christian Diamond, MDNPI 1063519932-2 groupsContacts

Showing 1 to 50 of 271 Anaheim internists

The list shows the 271 internists with a public profile. The other 21 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 Anaheim internists by the EHR they use

Dmand AI has the EHR for 258 of 292 Anaheim 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.

Southern California Permanente Medical Group has the most internists in Anaheim, with 171

St. Jude Heritage Medical Group is second with 42, and Inpatient Specialist of California PC third with 7. Counts are internists with a California address linked to each group.

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

Orange County - Anaheim Medical Center has the most affiliated internists in Anaheim, with 107

Providence Mission Hospital is second with 24, and MemorialCare Saddleback Medical Center third with 20. Anaheim internists are affiliated with 54 hospitals in all.

Hospitals with the most internists in Anaheim
#HospitalHealth systemInternists
1Orange County - Anaheim Medical CenterAnaheimKaiser Permanente107
2Providence Mission HospitalMission ViejoProvidence24
3MemorialCare Saddleback Medical CenterLaguna HillsMemorialCare Health System20
4Hoag Hospital Newport BeachNewport BeachHoag Memorial Hospital Presbyterian13
5UCI Health - OrangeOrangeUC Irvine11
6AHMC Anaheim Regional Medical CenterAnaheimAHMC Healthcare10
7West Anaheim Medical CenterAnaheimPrime Healthcare10
8Providence Santa Rosa Memorial HospitalSanta RosaProvidence8
9Sonoma Valley HospitalSonomaSonoma Valley Hospital5
10Petaluma Valley HospitalPetalumaProvidence5

Top 10 of 54 Anaheim hospitals with an affiliated internistAll 5 Anaheim hospitals

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Source: Dmand AI Affiliation Data

Group practices and clinics are the most common site of care for Anaheim internists, with 189

177 also practice at hospitals, and 55 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.

Anaheim internists by site of care

  1. Medical group practices189
  2. Hospitals177
  3. Home health agencies55
  4. Hospices46
  5. Physician offices25

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

30% of Anaheim internists finished medical school 30 or more years ago

75 of the 247 Anaheim internists with a graduation year on file. 24 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago24
  2. 10 to 19 years ago63
  3. 20 to 29 years ago85
  4. 30 to 39 years ago56
  5. 40 or more years ago19

Source: Dmand AI Professional Profile Data

Every Anaheim 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 Anaheim internist 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

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

FAQ

Frequently asked questions about internists in Anaheim

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 Anaheim?

292 internists have an active NPI, an Anaheim practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 267 of them are linked to a hospital or medical group.

Which Anaheim medical groups have the most internists?

Southern California Permanente Medical Group, with 171, followed by St. Jude Heritage Medical Group with 42 and Inpatient Specialist of California PC with 7.

Which Anaheim hospitals have the most internists?

Orange County - Anaheim Medical Center, with 107 affiliated internists, followed by Providence Mission Hospital with 24 and MemorialCare Saddleback Medical Center with 20.

What share of Anaheim internists practice at a hospital?

177 of the 265 Anaheim internists with a mapped site of care, or 67%, 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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