Internists in Fountain Valley, CA

  • Internal medicine
  • Fountain Valley, California
Internists
77
Linked to a hospital or group
71
Hospitals with an internist
19
Medical groups with an internist
47
Practice at a hospital
54

There are 77 internists in Fountain Valley. MemorialCare Medical Group has the most, 28, and Orange Coast Medical Center has the most affiliated internists, 47. 38% finished medical school 30 or more years ago.

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Fountain Valley internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and a Fountain Valley 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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Fountain Valley internists, A to Z
InternistHospitalsMedical groupsEmail and phone
Ahmed Fekry Al-Sadek, MDNPI 1528097730--Contacts
Pedram Ansari Pirsaraei, MDNPI 1871853614-1 groupContacts
Stanley W. Arnold, MDNPI 16694032751 hospital2 groupsContacts
Joel C. Bartlett, MDNPI 1073518791-1 groupContacts
Ketan Gokal Bhakta, MDNPI 16694927242 hospitals2 groupsContacts
Abhishek Bhardwaj, MDNPI 15788447835 hospitals3 groupsContacts
Angela Claire Biesen, DONPI 16991214911 hospital2 groupsContacts
Ihong Chen, MDNPI 11048225351 hospital1 groupContacts
Lu Chen, MDNPI 16799350503 hospitals3 groupsContacts
Richard Collin Cho, MDNPI 12756199831 hospital1 groupContacts
You-Jen Chou, MDNPI 11040708873 hospitals2 groupsContacts
Nicole Chow, MDNPI 15780694231 hospital2 groupsContacts
Karen M. Don, MDNPI 11846556981 hospital2 groupsContacts
Hong P. Duong, MDNPI 12755614173 hospitals2 groupsContacts
Kien-An Duong, MDNPI 10331756582 hospitals1 groupContacts
Tokameh Entezari, MDNPI 16695998251 hospital1 groupContacts
Fazilath Fatima, MDNPI 19624295711 hospital1 groupContacts
Tamara M. Fogarty, MDNPI 12856708021 hospital2 groupsContacts
Alton P. Foran IVNPI 1619968799-1 groupContacts
Usama Habib, MDNPI 1326619792--Contacts
Anna Gabrielle HamiltonNPI 15488274701 hospital2 groupsContacts
Monica Sameh Hanna, DONPI 14478703651 hospital1 groupContacts
Nancy F. Hanna, MDNPI 12059940921 hospital3 groupsContacts
Cambria Marie Hembree, MDNPI 13565422291 hospital2 groupsContacts
Daniel P. Hilton, MDNPI 10938113584 hospitals2 groupsContacts
John Ho, MDNPI 1841267366--Contacts
George A. Hong, MDNPI 1154328532-1 groupContacts
Long Khanh Hua, MDNPI 13760461852 hospitals1 groupContacts
Hsuanwen Cathy Huang, MDNPI 19020464101 hospital2 groupsContacts
Maryanne Rose Ibrahim, MDNPI 10538467901 hospital1 groupContacts
Rozalie Vonszelda Jackson, MDNPI 1700086667-2 groupsContacts
Gurleen S. Jamarai, MDNPI 12454786501 hospital1 groupContacts
Erin Yehli JoNPI 18418701771 hospital1 groupContacts
Brandon B. Khaw, MDNPI 1568453637-2 groupsContacts
Lalita M. Komanapalli, MDNPI 15785608843 hospitals1 groupContacts
Betsy Kuriakose, MDNPI 17507004491 hospital4 groupsContacts
Sahar E. Lashin, MDNPI 15980538943 hospitals4 groupsContacts
Hai Xuan Le, MDNPI 10838048011 hospital4 groupsContacts
Tam M. Le, MDNPI 1154480077-1 groupContacts
Truong-Sinh Leduc, MDNPI 1457430886-1 groupContacts
Victor Shikang Lin, MDNPI 1871034033-2 groupsContacts
Eddie Ly, MDNPI 11346509221 hospital1 groupContacts
Douglas Eldon McConnaughey, MDNPI 1104862721-2 groupsContacts
Jack K. Middlebrooks, MDNPI 14977860081 hospital2 groupsContacts
Sina Jalali Milani, MDNPI 15587711881 hospital1 groupContacts
Mahmood Mirbagheri, MDNPI 19523002611 hospital3 groupsContacts
Minsen Mok, MDNPI 14170599161 hospital2 groupsContacts
Anhtuan Duy Nguyen, MDNPI 1386698660--Contacts
Dao Bich Nguyen, MDNPI 18119486801 hospital2 groupsContacts
Dat Q. Nguyen, MDNPI 17200923155 hospitals4 groupsContacts

Showing 1 to 50 of 73 Fountain Valley internists

The list shows the 73 internists with a public profile. The other 4 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 Fountain Valley internists by the EHR they use

Dmand AI has the EHR for 66 of 77 Fountain Valley 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.

MemorialCare Medical Group has the most internists in Fountain Valley, with 28

Edinger Medical Group is second with 10, and Optum - Downtown Los Angeles third with 5. Counts are internists with a California address linked to each group.

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

Orange Coast Medical Center has the most affiliated internists in Fountain Valley, with 47

Hoag Hospital Newport Beach is second with 12, and UCI Health - Orange third with 6. Fountain Valley internists are affiliated with 19 hospitals in all.

Hospitals with the most internists in Fountain Valley
#HospitalHealth systemInternists
1Orange Coast Medical CenterFountain ValleyMemorialCare Health System47
2Hoag Hospital Newport BeachNewport BeachHoag Memorial Hospital Presbyterian12
3UCI Health - OrangeOrangeUC Irvine6
4Long Beach Medical CenterLong BeachMemorialCare Health System6
5MemorialCare Saddleback Medical CenterLaguna HillsMemorialCare Health System5
6UCI Health - Fountain ValleyFountain ValleyUC Irvine4
7Garden Grove Hospital Medical CenterGarden GrovePrime Healthcare2
8Cedars-Sinai Medical CenterLos AngelesCedars-Sinai Health System2
9Oak Valley HospitalOakdaleOak Valley Hospital District1
10Dignity Health - St. Bernardine Medical CenterSan BernardinoCommonSpirit Health1

Top 10 of 19 Fountain Valley hospitals with an affiliated internist

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Source: Dmand AI Affiliation Data

Group practices and clinics are the most common site of care for Fountain Valley internists, with 64

54 also practice at hospitals, and 12 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.

Fountain Valley internists by site of care

  1. Medical group practices64
  2. Hospitals54
  3. Home health agencies12
  4. Physician offices11
  5. Skilled nursing facilities5

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

38% of Fountain Valley internists finished medical school 30 or more years ago

24 of the 64 Fountain Valley internists with a graduation year on file. 12 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago12
  2. 10 to 19 years ago12
  3. 20 to 29 years ago16
  4. 30 to 39 years ago17
  5. 40 or more years ago7

Source: Dmand AI Professional Profile Data

Every Fountain Valley 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 Fountain Valley 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 a Fountain Valley practice address.

FAQ

Frequently asked questions about internists in Fountain Valley

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 Fountain Valley?

77 internists have an active NPI, a Fountain Valley practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 71 of them are linked to a hospital or medical group.

Which Fountain Valley medical groups have the most internists?

MemorialCare Medical Group, with 28, followed by Edinger Medical Group with 10 and Optum - Downtown Los Angeles with 5.

Which Fountain Valley hospitals have the most internists?

Orange Coast Medical Center, with 47 affiliated internists, followed by Hoag Hospital Newport Beach with 12 and UCI Health - Orange with 6.

What share of Fountain Valley internists practice at a hospital?

54 of the 69 Fountain Valley internists with a mapped site of care, or 78%, 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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Search 77 Fountain Valley internists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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