Keri Cowles, MD
Obstetrics & Gynecology Physician · Chula Vista, CA
Keri Cowles, MD is an obstetrics & gynecology physician with a practice address in Chula Vista, California, and NPI 1306425939, issued on Apr 2, 2021. Check the license (California 198887, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Keri Cowles
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 198887 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Palomar St, Chula Vista, CA 91913
- Phone
- (858) 499-2702
- Enumerated
- Apr 2, 2021
- Record last updated
- Sep 16, 2025
- Fax
- (619) 397-3378
- Medicare enrollment
- Enrolled (PECOS I20251010001416); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1400 E Palomar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Farschad Birdjandi, M.D.Internal Medicine Physician1205823929
- Oscar Bolch, M.D.Obstetrics & Gynecology Physician1144238361
Verify Keri Cowles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 198887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
98 Medicare Part D claims for 55 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Ondansetron Odt26 claims
- Estradiol11 claims
- Ibuprofen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keri Cowles among 5,088 obstetrics & gynecology physician records in California
Keri Cowles, 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 2021, is newer than 96% of them.
- NPI issued2021 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · 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 Chula Vista → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Oscar Bolch, M.D.Chula Vista, CA 919131144238361
- Phillip Diamond, M.D.Chula Vista, CA 919131427068865
- Blair Henderson, M.D.Chula Vista, CA 919131528227998
- Tammy Rouleau, N.P.Chula Vista, CA 919131881607646
- Mimi Shaffer, M.D.Chula Vista, CA 919131568758928
- Latisa Carson, M.D.Chula Vista, CA 919141245229129
- Schubert AtigaChula Vista, CA 919111033138714
- Cristina Flores, MDChula Vista, CA 919111942312996
Common questions
What is Keri Cowles, MD's NPI number?
Keri Cowles, MD's National Provider Identifier (NPI) is 1306425939, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Keri Cowles, MD located?
The NPPES record lists a practice address at 1400 E Palomar St, Chula Vista, CA, 91913. Phone: (858) 499-2702. Providers update this record themselves, so call before visiting.
How can I verify Keri Cowles, MD's license?
NPPES lists California license number 198887, 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.
How much does Keri Cowles, MD prescribe under Medicare Part D?
In 2024, Keri Cowles, MD had 98 Medicare Part D claims for 55 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.