OB-GYNs in Castro Valley, CA

  • Obstetrics and gynecology
  • Castro Valley, California
OB-GYNs
22
Linked to a hospital or group
21
Hospitals with an OB-GYN
9
Medical groups with an OB-GYN
13
Practice at a hospital
18

There are 22 OB-GYNs in Castro Valley. Stanford Medicine Partners has the most, 7, and Sutter Eden Medical Center has the most affiliated OB-GYNs, 9. 26% finished medical school 30 or more years ago.

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Castro Valley 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 Castro 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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The list shows the 21 OB-GYNs with a public profile. The other 1 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 Castro Valley OB-GYNs by the EHR they use

Dmand AI has the EHR for 21 of 22 Castro Valley 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.

Stanford Medicine Partners has the most OB-GYNs in Castro Valley, with 7

Alameda Health System is second with 6, and Palo Alto Foundation Medical Group third with 5. Counts are OB-GYNs with a California address linked to each group.

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

Sutter Eden Medical Center has the most affiliated OB-GYNs in Castro Valley, with 9

Alameda Health System - Highland Hospital is second with 6, and Stanford Health Care Tri-Valley third with 5. Castro Valley OB-GYNs are affiliated with 9 hospitals in all.

Top 9 of 9 Castro Valley hospitals with an affiliated OB-GYN

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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.

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Source: Dmand AI Affiliation Data

Most Castro Valley OB-GYNs practice at a hospital: 18 of the 21 with a mapped site

15 also practice at a medical group site, and 3 at breast imaging centers. An OB-GYN can practice at several kinds of site, so the shares overlap.

Castro Valley OB-GYNs by site of care

  1. Hospitals18
  2. Medical group practices15
  3. Breast imaging centers3
  4. Physician offices3

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

26% of Castro Valley OB-GYNs finished medical school 30 or more years ago

5 of the 19 Castro Valley OB-GYNs with a graduation year on file. 4 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago4
  2. 10 to 19 years ago6
  3. 20 to 29 years ago4
  4. 30 to 39 years ago4
  5. 40 or more years ago1

Source: Dmand AI Professional Profile Data

Every Castro Valley 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 Castro Valley OB-GYN 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

OB-GYNs are HCPs whose primary specialty is obstetrics and gynecology (taxonomy code 207V00000X), with an active NPI and a Castro Valley practice address.

FAQ

Frequently asked questions about OB-GYNs in Castro 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 OB-GYNs are in Castro Valley?

22 OB-GYNs have an active NPI, a Castro Valley practice address and obstetrics and gynecology (taxonomy code 207V00000X) as their primary specialty. 21 of them are linked to a hospital or medical group.

Which Castro Valley medical groups have the most OB-GYNs?

Stanford Medicine Partners, with 7, followed by Alameda Health System with 6 and Palo Alto Foundation Medical Group with 5.

Which Castro Valley hospitals have the most OB-GYNs?

Sutter Eden Medical Center, with 9 affiliated OB-GYNs, followed by Alameda Health System - Highland Hospital with 6 and Stanford Health Care Tri-Valley with 5.

What share of Castro Valley OB-GYNs practice at a hospital?

18 of the 21 Castro Valley OB-GYNs with a mapped site of care, or 86%, have a current hospital affiliation.

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

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Search 22 Castro Valley OB-GYNs by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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