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.

Find work emails and mobile numbers for all 18,948 California internists

Validated work emails and mobile numbers for California internists, found through healthcare waterfall enrichment, with a free Dmand AI account.

View contacts for free

California internists, listed A to Z by last name (10,901 to 10,950 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.

Filter this list with a free account

Sort and filter all 18,948 California internists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.

Filter in Dmand AI
California internists, A to Z, 10,901 to 10,950
InternistHospitalsMedical groupsEmail and phone
John R. O'FeeLa Jolla · NPI 15782039562 hospitals2 groupsContacts
Kevin Colin O'Fee, MDBeverly Hills · NPI 13963058682 hospitals2 groupsContacts
Terence R. Offenberger, MDAliso Viejo · NPI 1023009586-1 groupContacts
Timothy Q. Offensend, MDBurlingame · NPI 10836675391 hospital1 groupContacts
Ijeoma A. Ofiaeli, MDSanta Maria · NPI 19321381792 hospitals1 groupContacts
Tyler O'Flahrity, MDMather · NPI 1043637127-1 groupContacts
David Ofman, MDSan Francisco · NPI 16191761201 hospital2 groupsContacts
Araksi R. Oganesian, MDMission Hills · NPI 17306131832 hospitals1 groupContacts
Buzand Christopher OganesianColton · NPI 15680495912 hospitals3 groupsContacts
Janna Oganessian, MDSherman Oaks · NPI 1801820832--Contacts
Mihran Ogaryan, MDSanta Monica · NPI 17803245331 hospital-Contacts
Rita N. Ogbo, MDEl Monte · NPI 1174625990-3 groupsContacts
Chinelo U. OgboguBaldwin Park · NPI 13261453431 hospital1 groupContacts
Ekwevugbe Ochuko Ogbon, MDCampbell · NPI 14074343431 hospital2 groupsContacts
Akunna Ugo Ogbu, MDChula Vista · NPI 1780858829--Contacts
David L. Ogden, MDGreenbrae · NPI 10038873242 hospitals-Contacts
Ikuko Ogihara, MDSouth San Francisco · NPI 17403683721 hospital1 groupContacts
Taiwo Ibukun Ogundipe, MDSalinas · NPI 15187016891 hospital-Contacts
Isaac Omolade Ogunmola, MDStanford · NPI 15387373902 hospitals2 groupsContacts
Charlene Oh, MDPanorama City · NPI 13262400032 hospitals2 groupsContacts
Edward Ungseok Oh, MDApple Valley · NPI 13762840263 hospitals1 groupContacts
Hee Yong Oh, MDWest Covina · NPI 1225106693-1 groupContacts
Janice Oh, MDSylmar · NPI 14175860822 hospitals1 groupContacts
Julie Joohyun Oh, MDFountain Valley · NPI 10933892232 hospitals1 groupContacts
Karen Eunkyung Oh, DOTorrance · NPI 1902006588--Contacts
Lucy J. Oh, MDStockton · NPI 1265516256-1 groupContacts
Sun Kwa Oh, MDCalipatria · NPI 1689872319--Contacts
Sunah Oh, DOSylmar · NPI 14472253961 hospital1 groupContacts
Timothy OhPasadena · NPI 1225395502--Contacts
Michael Uzoma Ohabughiro, MDOakland · NPI 10033048662 hospitals1 groupContacts
Junko Ohara, MDIrvine · NPI 16094340751 hospital1 groupContacts
Christine Ekomiare Ohikhuare, MDFontana · NPI 1841524675-1 groupContacts
Michael A. OhligerSan Francisco · NPI 10737132693 hospitals4 groupsContacts
Cassandra Ohlsen, MDMonterey · NPI 13564571701 hospital-Contacts
Rachel Elizabeth OhmanSylmar · NPI 19124671351 hospital-Contacts
Khin Mar Ohn, MDLos Angeles · NPI 1265925200-1 groupContacts
Ajay Ohri, MDFontana · NPI 16395234752 hospitals1 groupContacts
Alka Ohri, MDRidgecrest · NPI 15080986171 hospital2 groupsContacts
Kusum Mullick Ohri, MDOrange · NPI 14776923332 hospitals1 groupContacts
Jon S. Oide, MDSacramento · NPI 10837927171 hospital1 groupContacts
Jonathan T. Oishi, DOOrange · NPI 13961097811 hospital3 groupsContacts
Sheila Omolayowa Ojeaburu, MDStanford · NPI 18611323912 hospitals2 groupsContacts
Manisha N. Ojha, MDRichmond · NPI 1922070937-1 groupContacts
Anita Ojha-Hammad, MDEscondido · NPI 19523613962 hospitals3 groupsContacts
Ekene Ojukwu, MDSan Francisco · NPI 1184014730--Contacts
Alfredo Alberto Ok, MDHarbor City · NPI 12657907601 hospital1 groupContacts
Belonwu Valentine Okafor, MDPanorama City · NPI 1902495815-1 groupContacts
Tomoko Okahara, MDBellflower · NPI 1821140286-1 groupContacts
Daniel Allen Okamoto, MDSacramento · NPI 10738039791 hospital3 groupsContacts
Linda Khaw Okamoto, DORedwood City · NPI 19022482891 hospital1 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

For health IT teams

Find California internists by the EHR they use

Dmand AI has the EHR for 16,556 of 18,948 California 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.

Dmand AI

Find the right contacts among California internists

Search 18,948 California internists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)