Gregory John Hayes, O.D.
NPI 1598896102ActiveIndividual· Optometrist· San Diego, CA
Optometrist (O.D.) in San Diego, California, trained at Southern California College of Optometry (class of 1997). In 2024 Medicare paid $21,781 for 189 patients, and Part D covered 116 of their prescriptions, 47% of them generic. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $490.54 in all, mostly food and beverage.
Overview
| NPI | 1598896102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2007 |
| Last updated in NPPES | Feb 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 10952T | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 189 |
|---|---|
| Services billed | 324 across 15 procedure codes |
| Paid by Medicare | $21,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 262 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $30,680 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- Total Vision PCSan Gabriel, CA · 110 clinicians
Industry payments (Open Payments)
- 2025$490.54 · 12 payments from 4 companies
- 2024$20.11 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $240.65 | 3 |
| Coopervision Inc. | $142.76 | 5 |
| Tarsus Pharmaceuticals, Inc. | $66.27 | 2 |
| Sun Pharmaceutical Industries Inc. | $40.86 | 2 |
What the 2025 payments were for
- Food and Beverage$490.54 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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