Gregory John Hayes, O.D.
Optometrist · San Diego, CA
Gregory John Hayes, O.D. is an optometrist with a practice address in San Diego, California, and NPI 1598896102, issued on Mar 7, 2007. Check the license (California 10952T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory John Hayes
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10952T CA
Self-reported in NPPES; status is on the state search - Practice location
- 11717 Bernardo Plaza CT, San Diego, CA 92128
- Phone
- (858) 487-5504
- Enumerated
- Mar 7, 2007
- Record last updated
- Feb 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (858) 487-3654
- Medicare enrollment
- Enrolled (PECOS I20050307000195); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1997
- Entity
- Type 1 · individual
Also registered at 11717 Bernardo Plaza CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Virginia Mattson, DMDGeneral Practice Dentistry1528125325
Verify Gregory John Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10952TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
58% fewer Medicare Part D claims than the average optometrist in 2024
116 Medicare Part D claims for 48 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Latanoprost45 claims
- Restasis12 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.
Industry payments in 2024: $20.11
1 payment: food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 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 one group practice
- Total Vision PCSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Gregory John Hayes, O.D.'s NPI number?
Gregory John Hayes, O.D.'s National Provider Identifier (NPI) is 1598896102, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory John Hayes, O.D. located?
The NPPES record lists a practice address at 11717 Bernardo Plaza CT, San Diego, CA, 92128. Phone: (858) 487-5504. Providers update this record themselves, so call before visiting.
How can I verify Gregory John Hayes, O.D.'s license?
NPPES lists California license number 10952T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory John Hayes, O.D. prescribe under Medicare Part D?
In 2024, Gregory John Hayes, O.D. had 116 Medicare Part D claims for 48 beneficiaries; the average among optometrist prescribers was 277. 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.