Gregory Allen Stainer, MD FACS
NPI 1295729465ActiveIndividual· Ophthalmology· La Jolla, CA
Ophthalmology (MD FACS) in La Jolla, California, trained at Northwestern College of Chiropractic (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $202,450 for 586 claims, against $35,499 paid for services in 2024. Alcon Vision LLC was the largest of 7 companies reporting payments in 2025, $1,281 in all, mostly food and beverage.
Overview
| NPI | 1295729465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD FACS |
| Sole proprietor | Yes |
| NPI issued | Sep 2, 2005 |
| Last updated in NPPES | Dec 12, 2024 |
| Certified by provider | Dec 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G41135 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 382 across 27 procedure codes |
| Paid by Medicare | $35,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 586 · 778 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $202,450 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Northwestern College of Chiropractic |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Ophthalmology |
Medical groups
- California Retina Associates, LPEscondido, CA · 22 clinicians
- North County Eye Center, Inc.Escondido, CA · 10 clinicians
- North County Eye Physicians, IncPoway, CA · 9 clinicians
Industry payments (Open Payments)
- 2025$1,281 · 25 payments from 7 companies
- 2024$2,172 · 35 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $491.40 | 8 |
| Johnson & Johnson Surgical Vision, Inc. | $294.64 | 3 |
| Tarsus Pharmaceuticals, Inc. | $209.88 | 4 |
| Mallinckrodt Hospital Products Inc. | $118.79 | 4 |
| Dompe US, Inc. | $100.35 | 3 |
What the 2025 payments were for
- Food and Beverage$1,281 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 ophthalmologists in La Jolla · All ophthalmologists in California