Barry Martin Kerman, M.D
Ophthalmology Physician · Castro Valley, CA
Barry Martin Kerman, M.D is an ophthalmology physician with a practice address in Castro Valley, California, and NPI 1265454375, issued on Jul 25, 2006. Check the license (California G21061, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Barry Martin Kerman
- Credential
- M.D
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G21061 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21675 Redwood RD, Castro Valley, CA 94546
- Phone
- (510) 538-5252
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (510) 538-3884
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 21675 Redwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leonard Goldschmidt, M.D.Ophthalmology Physician1619942992
Verify Barry Martin Kerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G21061Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Barry Martin Kerman among 2,899 ophthalmology physician records in California
Barry Martin Kerman, M.D is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2016 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,899 in California → Every provider in Castro Valley → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Preema Buch, MDCastro Valley, CA 945461366852865
- Mark Cohen, M.D.Castro Valley, CA 945461194845271
- Robert Edelman, M.D.Castro Valley, CA 945461184832313
- Leonard Goldschmidt, M.D.Castro Valley, CA 945461619942992
- Mark Lurie, M.D.Castro Valley, CA 945461750315123
- Neha Shah, M.D.Castro Valley, CA 945461376733402
- Lee Du, MDHayward, CA 945451477631224
- Leonard Newman, MDHercules, CA 945471902950132
Common questions
What is Barry Martin Kerman, M.D's NPI number?
Barry Martin Kerman, M.D's National Provider Identifier (NPI) is 1265454375, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry Martin Kerman, M.D located?
The NPPES record lists a practice address at 21675 Redwood RD, Castro Valley, CA, 94546. Phone: (510) 538-5252. Providers update this record themselves, so call before visiting.
How can I verify Barry Martin Kerman, M.D's license?
NPPES lists California license number G21061, 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. 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.