Gregory D. Parkhurst, M.D.
NPI 1689737793ActiveIndividual· Ophthalmology· San Antonio, TX
Ophthalmology (M.D.) in San Antonio, Texas, trained at Northwestern University Feinberg Medical School (class of 2003). Mostly services rather than prescriptions: Medicare paid $88,244 for 196 patients in 2024, with only 17 Part D claims. Rxsight Inc was the largest of 12 companies reporting payments in 2025, $574.91 in all, mostly food and beverage.
Overview
| NPI | 1689737793 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 19, 2006 |
| Last updated in NPPES | Sep 3, 2020 |
| Certified by provider | Sep 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | N1041 | TX |
| Ophthalmology | 207W00000X | 0101238505 | VA |
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 - Ophthalmology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 508 across 17 procedure codes |
| Paid by Medicare | $88,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 17 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $157.85 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Ophthalmology |
Medical group
- Refractive Surgery and Diagnostic Center PLLCSan Antonio, TX · 11 clinicians
Industry payments (Open Payments)
- 2025$574.91 · 18 payments from 12 companies
- 2024$8,382 · 25 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $124.76 | 2 |
| Alcon Vision LLC | $93.17 | 4 |
| Carl Zeiss Meditec USA, Inc. | $72.27 | 1 |
| Abbvie Inc. | $58.60 | 2 |
| Johnson & Johnson Surgical Vision, Inc. | $49.03 | 2 |
What the 2025 payments were for
- Food and Beverage$502.64 · 17 payments
- Gift$72.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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