Michael A. Singer, M.D.
NPI 1912902651ActiveIndividual· Ophthalmology· San Antonio, TX
Ophthalmology (M.D.) in San Antonio, Texas, trained at Boston University School of Medicine (class of 1986). In 2024 Medicare paid $1,648,416 for 667 patients, and Part D covered 269 of their prescriptions, 67% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 17 companies reporting payments in 2025, $238,138 in all, mostly speaking and faculty fees.
Overview
| NPI | 1912902651 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2005 |
| Last updated in NPPES | Oct 20, 2020 |
| Certified by provider | Oct 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | J8373 | TX |
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 | 667 |
|---|---|
| Services billed | 45,920 across 47 procedure codes |
| Paid by Medicare | $1,648,416 |
Part D prescriptions in 2024
| Prescriptions (claims) | 269 · 409 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $60,874 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Ophthalmology |
Medical group
- Medical Center Ophthalmology AssociatesDel Rio, TX · 12 clinicians
Industry payments (Open Payments)
- 2025$238,138 · 132 payments from 17 companies
- 2024$213,020 · 158 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $85,475 | 34 |
| Harrow Eye, LLC | $64,833 | 16 |
| Apellis Pharmaceuticals, Inc. | $40,187 | 26 |
| Ani Pharmaceuticals, Inc. | $20,529 | 18 |
| Astellas Pharma US Inc | $10,688 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$87,084 · 11 payments
- Consulting Fee$84,616 · 14 payments
- Compensation for serving as faculty or as a speaker for a medical education program$32,865 · 5 payments
- Honoraria$18,963 · 4 payments
- Travel and Lodging$9,509 · 27 payments
- Food and Beverage$5,100 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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