Beth L. Cowan, MD
Obstetrics & Gynecology Physician · Hayward, CA
Beth L. Cowan, MD is an obstetrics & gynecology physician with a practice address in Hayward, California, and NPI 1376552059, issued on Aug 5, 2006. Check the license (California A66278, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Beth L. Cowan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A66278 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27212 Calaroga Ave, Hayward, CA 94545
- Phone
- (510) 785-5000
- Enumerated
- Aug 5, 2006
- Record last updated
- Oct 23, 2025
- Fax
- (510) 785-5288
- Medicare enrollment
- Enrolled (PECOS I20040626000431); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 27212 Calaroga Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Bateman, R.PH.Pharmacist1205913787
- Ralph Boucher, M.D.Cardiovascular Disease Physician1134156912
- Natalie Brooksher, R.N.Registered Nurse1528326881
- Patricia Espicha, R.N.N.P.Ambulatory Women's Health Care Registered Nurse1477576502
- Janice Friesen, L.C.S.W.Clinical Social Worker1770504839
- Setareh Hafezi, M.D.Obstetrics & Gynecology Physician1285807495
Verify Beth L. Cowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $62.07
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Pleasanton Allergy And Dermatology IncPleasanton, CA
- Sutter Bay Medical FoundationCastro Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Beth L. Cowan among 5,088 obstetrics & gynecology physician records in California
Beth L. Cowan, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1994 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Hayward → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Marc Anker, MDHayward, CA 945451376621128
- Daksha Barot, MDHayward, CA 945451700958535
- Michael Fogarty, DOHayward, CA 945451194803957
- Robyn Goodfellow, MDHayward, CA 945451740368505
- Setareh Hafezi, M.D.Hayward, CA 945451285807495
- Robert Hosang, MDHayward, CA 945451558449306
- Senzan Hsu, M.D.Hayward, CA 945451184677940
- Jaya Mokkapati, MDHayward, CA 945451972681732
Common questions
What is Beth L. Cowan, MD's NPI number?
Beth L. Cowan, MD's National Provider Identifier (NPI) is 1376552059, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Beth L. Cowan, MD located?
The NPPES record lists a practice address at 27212 Calaroga Ave, Hayward, CA, 94545. Phone: (510) 785-5000. Providers update this record themselves, so call before visiting.
How can I verify Beth L. Cowan, MD's license?
NPPES lists California license number A66278, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.