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Physicians (MD, DO) in California

  • HCP type directory
  • California
Physicians (MD, DO)
144,279
Largest specialty
18,721
Cities
705

There are 144,279 physicians in California, and internists are the largest specialty among them.

Find work emails and mobile numbers for 144,279 physicians in California

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Internists are the largest group of physicians in California, with 18,721

By primary specialty, among 144,279 physicians in California. Family medicine physicians are second, with 17,777, and pediatricians third, with 9,489.

Physicians (MD, DO) in California by specialty

  1. Internal medicine18,721
  2. Family medicine17,777
  3. Pediatrics9,489
  4. Psychiatry8,815
  5. Emergency medicine8,232
  6. Anesthesiology7,646
  7. Obstetrics and gynecology5,309
  8. Diagnostic radiology4,671
  9. Surgery3,321
  10. Hospitalist3,295
  11. Ophthalmology2,961
  12. Cardiovascular disease2,546
  13. Neurology2,336
  14. Orthopaedic surgery2,299
  15. General practice2,283
  16. Gastroenterology2,103

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

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Los Angeles has the most physicians in California, with 11,263

San Diego is second with 8,697, and San Francisco third with 7,574. Each city links to its directory of every HCP in that city.

California cities with the most physicians
#CityPhysicians (MD, DO)Share of California total
1Los Angeles11,2638%
2San Diego8,6976%
3San Francisco7,5745%
4Sacramento5,1264%
5Stanford2,9582%
6Stockton2,8432%
7Orange2,7002%
8San Jose2,4512%
9Palo Alto2,4322%
10Oakland2,3092%

Top 10 of 40 cities shown

Physicians (MD, DO) in more California cities

Source: NPPES NPI Registry (CMS)

Sources for physicians in California

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Each HCP is counted once, under one type and their primary specialty, at the practice address on their NPI record. Counts refresh with every Dmand AI data release.

FAQ

Frequently asked questions about 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Spotted something out of date?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 physicians are in California?

144,279 physicians have an active NPI and a California practice address. The largest specialties are internists (18,721), family medicine physicians (17,777) and pediatricians (9,489).

Which California city has the most physicians?

Los Angeles, with 11,263. San Diego is second with 8,697, and San Francisco third with 7,574.

How can I contact physicians in California?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for physicians in California through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

Dmand AI

Find the right contacts among physicians in California

Search every HCP by type, specialty, hospital, group and place, with validated work emails and mobile numbers.

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