OB-GYNs in California
- OB-GYNs
- 5,321
- Linked to a hospital or group
- 4,352
- Hospitals with an OB-GYN
- 272
- Medical groups with an OB-GYN
- 525
- Cities
- 332
There are 5,321 OB-GYNs in California. The Permanente Medical Group, Inc. has the most, 687, and Hoag Hospital Newport Beach has the most affiliated OB-GYNs, 89. San Diego is home to 334, and 35% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 5,321 California OB-GYNs
Validated work emails and mobile numbers for California OB-GYNs, found through healthcare waterfall enrichment, with a free Dmand AI account.
California OB-GYNs, listed A to Z by last name
Each OB-GYN on the list has obstetrics and gynecology 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 5,321 California OB-GYNs by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 50 of 4,642 California OB-GYNs
The list shows the 4,642 OB-GYNs with a public profile. The other 679 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
Dmand AI has the EHR for 4,582 of 5,321 California OB-GYNs, 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.
The Permanente Medical Group, Inc. has the most OB-GYNs in California, with 687
Southern California Permanente Medical Group is second with 553, and Palo Alto Foundation Medical Group third with 178. Counts are OB-GYNs with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Hoag Hospital Newport Beach has the most affiliated OB-GYNs in California, with 89
UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco is second with 73, and Cedars-Sinai Medical Center third with 68. California OB-GYNs are affiliated with 272 hospitals in all.
See every hospital and group for each California OB-GYN
Each public profile names one place an OB-GYN practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
San Diego has the most OB-GYNs in California, with 334
More California cities with OB-GYNs
- Anaheim128
- San Jose107
- Santa Clara98
- Newport Beach87
- Riverside86
- Fontana79
- Torrance79
- Bakersfield64
- Fresno64
All 115 California city lists of OB-GYNs, A to Z
- Anaheim128
- Antioch13
- Bakersfield64
- Baldwin Park38
- Bellflower38
- Berkeley40
- Beverly Hills42
- Burbank16
- Burlingame24
- Campbell36
- Carmichael13
- Castro Valley22
- Chico13
- Chula Vista20
- Clovis19
- Colton12
- Commerce12
- Corona13
- Daly City20
- Diamond Bar13
- Downey29
- Encinitas24
- Escondido22
- Fairfield24
- Folsom18
- Fontana79
- Fountain Valley28
- Fremont29
- Fresno64
- Fullerton15
- Glendale22
- Greenbrae21
- Harbor City35
- Hayward10
- Hemet17
- Irvine13
- La Jolla27
- La Mesa10
- Laguna Hills12
- Lancaster38
- Lodi11
- Loma Linda35
- Long Beach60
- Los Angeles310
- Los Gatos35
- Madera10
- Manteca13
- Mission Hills21
- Modesto48
- Monterey15
- Monterey Park12
- Moreno Valley17
- Mountain View46
- Murrieta15
- Napa11
- Newport Beach87
- Oakland57
- Orange52
- Oxnard26
- Palm Springs22
- Palo Alto49
- Panorama City38
- Pasadena32
- Pleasanton18
- Pomona21
- Porterville10
- Rancho Mirage13
- Redding13
- Redlands13
- Redwood City52
- Richmond150
- Ridgecrest12
- Riverside86
- Roseville40
- Sacramento184
- Salinas43
- San Bernardino21
- San Diego334
- San Francisco223
- San Jose107
- San Leandro16
- San Luis Obispo19
- San Mateo22
- San Rafael10
- Santa Ana22
- Santa Barbara27
- Santa Clara98
- Santa Cruz21
- Santa Maria38
- Santa Monica56
- Santa Rosa24
- Stanford22
- Stockton233
- Sunnyvale10
- Sylmar17
- Tarzana13
- Temecula11
- Thousand Oaks16
- Torrance79
- Tulare13
- Upland14
- Vacaville11
- Vallejo51
- Ventura19
- Visalia26
- Vista12
- Walnut Creek45
- West Covina19
- West Hills16
- West Hollywood44
- Westminster10
- Whittier20
- Woodland15
- Woodland Hills17
- Yuba City12
OB-GYNs practice in 332 California cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most California OB-GYNs practice at a hospital: 2,886 of the 4,249 with a mapped site
2,527 also practice at a medical group site, and 508 at physician offices. An OB-GYN can practice at several kinds of site, so the shares overlap.
California OB-GYNs by site of care
- Hospitals2,886
- Medical group practices2,527
- Physician offices508
- FQHCs449
- Ambulatory surgery centers204
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
35% of California OB-GYNs finished medical school 30 or more years ago
1,309 of the 3,730 California OB-GYNs with a graduation year on file. 473 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago473
- 10 to 19 years ago1,002
- 20 to 29 years ago946
- 30 to 39 years ago763
- 40 or more years ago546
Source: Dmand AI Professional Profile Data
Every California OB-GYN 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 California OB-GYN directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
OB-GYNs are HCPs whose primary specialty is obstetrics and gynecology (taxonomy code 207V00000X), with an active NPI and a California practice address.
FAQ
Frequently asked questions about OB-GYNs 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 OB-GYNs are in California?
5,321 OB-GYNs have an active NPI, a California practice address and obstetrics and gynecology (taxonomy code 207V00000X) as their primary specialty. 4,352 of them are linked to a hospital or medical group.
Which California medical groups have the most OB-GYNs?
The Permanente Medical Group, Inc., with 687, followed by Southern California Permanente Medical Group with 553 and Palo Alto Foundation Medical Group with 178.
Which California hospitals have the most OB-GYNs?
Hoag Hospital Newport Beach, with 89 affiliated OB-GYNs, followed by UCSF Helen Diller Medical Center at Parnassus Heights with 73 and Cedars-Sinai Medical Center with 68.
Which California cities have the most OB-GYNs?
San Diego, with 334, followed by Los Angeles (310) and Stockton (233). OB-GYNs practice in 332 California cities in all.
How many California OB-GYNs finished medical school 30 or more years ago?
1,309 of the 3,730 with a graduation year on file, or 35%. 473 graduated in the last 10 years.
What is the taxonomy code for obstetrics and gynecology?
207V00000X is the NPPES taxonomy code for obstetrics and gynecology. Sub-specialties with their own code are counted on their own lists.
Dmand AI
Find the right contacts among California OB-GYNs
Search 5,321 California OB-GYNs by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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