Internists in California

  • Internal medicine
  • California
Internists
18,948
Linked to a hospital or group
15,803
Hospitals with an internist
370
Medical groups with an internist
2,215
Cities
510

There are 18,948 internists in California. The Permanente Medical Group, Inc. has the most, 2,011, and Stanford Hospital at 300 Pasteur Drive has the most affiliated internists, 584. Los Angeles is home to 1,376, and 34% finished medical school 30 or more years ago.

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California internists, listed A to Z by last name (11,051 to 11,100 of 16,751)

Each internist on the list has 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 internists, A to Z, 11,051 to 11,100
InternistHospitalsMedical groupsEmail and phone
Greg Orshansky, MDNorth Hills · NPI 1568478709-1 groupContacts
Christina Sevilla Ortega-ChenPanorama City · NPI 16192665901 hospital1 groupContacts
Jeff A. Ortiz, MDRichmond · NPI 18918739641 hospital1 groupContacts
Paola Andrea Ortiz, MDTorrance · NPI 14579379632 hospitals3 groupsContacts
Charmaine Jamias Ortizo, MDLoma Linda · NPI 16890511202 hospitals1 groupContacts
Xaviera Ortiz Soto, MDOakland · NPI 1760707756-3 groupsContacts
Kazumasa OsatoTorrance · NPI 11347480152 hospitals2 groupsContacts
Mark Oscherwitz, MDSan Francisco · NPI 1437225059-1 groupContacts
Edgardo Alvarez Osea, MDHarbor City · NPI 1699795476-2 groupsContacts
Geraldine Terese O'Shea, DOJackson · NPI 10139101403 hospitals-Contacts
Ebunoluwa Oluwakemi Oshinuga-Atere, MDOakland · NPI 10833496092 hospitals1 groupContacts
Rosalia Rebadulla Osias, MDAnaheim · NPI 1669582938--Contacts
Stephanie T. Osiecki, MDLos Altos Hills · NPI 1922080464-1 groupContacts
Ali Osman Yousif Osman, MDApple Valley · NPI 18913486782 hospitals2 groupsContacts
Safa Osman, MDCampbell · NPI 17407413621 hospital1 groupContacts
Faraaz Ali Osmani, MDKing City · NPI 15880054742 hospitals5 groupsContacts
Mohammad H. Osmani, MDRedlands · NPI 15684794832 hospitals-Contacts
Eduard Osmonov, MDWoodland Hills · NPI 15483291211 hospital1 groupContacts
Jessica OsorioTorrance · NPI 14579382501 hospital-Contacts
Tatiana Aleksandrovna Ososkova, MDSanta Clara · NPI 10232819041 hospital1 groupContacts
Tiffany Ossi, MDWest Hollywood · NPI 12358894291 hospital1 groupContacts
Jennifer Oster, DO, MPHTarzana · NPI 15488169372 hospitals2 groupsContacts
Jonathan Ostrem, MD, PhDSan Francisco · NPI 12254869882 hospitals4 groupsContacts
Isabel Rose OstrerSan Francisco · NPI 19125877261 hospital2 groupsContacts
Adrian G. Ostrzega, MDBeverly Hills · NPI 17606851921 hospital1 groupContacts
Maria Wen-Yu Liao Otera, MDHarbor City · NPI 13868310711 hospital1 groupContacts
Marichelle Montano Othman, MDSaint Helena · NPI 1285771725--Contacts
Samer S. Othman, MDSan Luis Obispo · NPI 14374764395 hospitals6 groupsContacts
Camela Joan Ott, MDRedondo Beach · NPI 1194049114--Contacts
Anna Valerie Ottaka, MDNewport Beach · NPI 1154613685-2 groupsContacts
Gunther Ottersbach, MDLa Mesa · NPI 12151145331 hospital2 groupsContacts
Daniel Joseph Otterson, MDOrange · NPI 10932109731 hospital1 groupContacts
Valentine U. Otuechere, MD, MPHRiverside · NPI 1508896275-2 groupsContacts
Amy OuSan Francisco · NPI 12951819071 hospital2 groupsContacts
I-Chun S. Ou, MDRedwood City · NPI 10938678971 hospital1 groupContacts
Jonathan David Ou, MDDiamond Bar · NPI 15181097192 hospitals2 groupsContacts
Ting-Wei M. Ou, MDCorona · NPI 1669600250-1 groupContacts
Bashar Oudah, MDEscondido · NPI 18317719064 hospitals4 groupsContacts
Aurore Marie Oughourlian, MDSan Ysidro · NPI 1023047016-3 groupsContacts
Sean Paul Ouimet, MDSan Diego · NPI 1912430570--Contacts
Kevin Dipondo Ouma, MDStockton · NPI 10234727431 hospital2 groupsContacts
Simon G. Outhwaite, MDLaguna Hills · NPI 18514020021 hospital1 groupContacts
Chun Ouyang, MD, PhDRichmond · NPI 1336115328-1 groupContacts
Karen K. Ouyang-Shwe, MDSanta Clara · NPI 1831275353-1 groupContacts
Wernher Ovalle, MDHuntington Beach · NPI 14179016611 hospital1 groupContacts
Todd F. Ovokaitys, MDCarlsbad · NPI 1760029706--Contacts
Ani Ovsepian, PA-CLos Angeles · NPI 1669298600--Contacts
Tevan Ovsepyan, DOMission Hills · NPI 16696358762 hospitals1 groupContacts
William Francis Owen Jr., MDSan Francisco · NPI 1154323483--Contacts
Trevor Dwight Owens, DOOxnard · NPI 14973382713 hospitals1 groupContacts

The list shows the 16,751 internists with a public profile. The other 2,197 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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