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Obstetrics/Gynecology

Beth L. Cowan, MD

Works at hospitals in Castro Valley, CA · California

Summary

Beth L. Cowan, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Castro Valley, CA. NPI 1376552059. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Beth L. Cowan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of California, Irvine, California College Of MedicineMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Beth L. Cowan work at?
Medicare's official clinician data lists Beth L. Cowan at 1 hospital: Eden Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Beth L. Cowan see patients?
Medicare's clinician data lists 4 practice locations, including Castro Valley, CA, Pleasanton, CA and Fremont, CA. Call before your visit to confirm the address.
What is Beth L. Cowan's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Beth L. Cowan accept Medicare assignment?
Yes. Medicare's clinician data says Beth L. Cowan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Beth L. Cowan?
(510) 886-3400, as listed in official Medicare / NPI Registry data.
What is Beth L. Cowan's NPI number?
1376552059. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Beth L. Cowan works

Medicare's Facility Affiliation Data lists Beth L. Cowan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Beth L. Cowan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Beth L. Cowan as a member of these groups (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group
  • Pleasanton Allergy and Dermatology Inc2 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Castro Valley

Clinicians with the same Medicare primary specialty in Castro Valley, CA — not a recommendation.

All OB-GYNs in Castro Valley →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1994
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376552059
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians