Alan Nerenberg, M.D.
Ophthalmology Physician · Fresno, CA
Alan Nerenberg, M.D. is an ophthalmology physician with a practice address in Fresno, California, and NPI 1255422051, issued on Sep 27, 2006. Check the license (California G37901, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan Nerenberg
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G37901 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7075 N Sharon Ave, Fresno, CA 93720
- Phone
- (559) 486-2000
- Enumerated
- Sep 27, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (559) 256-8504
- Medicaid ID
- GR0012090 CA
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 7075 N Sharon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Spencer Adams, MDOphthalmology Physician1689105801
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- Anthony Baudonnet, O.D.Optometrist1396837290
- Frank Bishop, M.D.Ophthalmology Physician1538134796
- Karisa Borba, O.D.Optometrist1932292901
Verify Alan Nerenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37901Check 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: $77.15
5 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Alan Nerenberg among 2,899 ophthalmology physician records in California
Alan Nerenberg, 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. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 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.
All 2,899 in California → Every provider in Fresno → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Maziar Bidar, MDFresno, CA 937201689693657
- Frank Bishop, M.D.Fresno, CA 937201538134796
- Steven Fogg, M.D.Fresno, CA 937201982666871
- Andrea Lanier, M.D.Fresno, CA 937201750343158
- Christopher Larson, M.D.Fresno, CA 937201588699656
- Larry Lawrence, M.D.Fresno, CA 937201164425468
- William Maxwell, M.D.Fresno, CA 937201205898681
- Eric Poulsen, M.D.Fresno, CA 937201003819301
Common questions
What is Alan Nerenberg, M.D.'s NPI number?
Alan Nerenberg, M.D.'s National Provider Identifier (NPI) is 1255422051, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Nerenberg, M.D. located?
The NPPES record lists a practice address at 7075 N Sharon Ave, Fresno, CA, 93720. Phone: (559) 486-2000. Providers update this record themselves, so call before visiting.
How can I verify Alan Nerenberg, M.D.'s license?
NPPES lists California license number G37901, 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.