Mariam Mathai, M.D.
NPI 1346694668ActiveIndividual· Ophthalmology, Retina Specialist· Rockville, MD
Ophthalmology, Retina Specialist (M.D.) in Rockville, Maryland, trained at Icahn School of Medicine at Mount Sinai (class of 2016). In 2024 Medicare paid $1,574,466 for 647 patients, and Part D covered 239 of their prescriptions, 56% of them generic. Neurotech Pharmaceuticals, Inc. was the largest of 9 companies reporting payments in 2025, $1,142 in all, mostly food and beverage.
Overview
| NPI | 1346694668 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 22, 2016 |
| Last updated in NPPES | Oct 8, 2026 |
| Certified by provider | Oct 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | D0089331 | MD |
| Ophthalmology, Retina Specialist | 207WX0107X | MD048093 | DC |
| Ophthalmology, Retina Specialist | 207WX0107X | 0101268948 | VA |
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 (DC); Practitioner - Ophthalmology (MD); Practitioner - Ophthalmology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 647 |
|---|---|
| Services billed | 13,770 across 52 procedure codes |
| Paid by Medicare | $1,574,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 239 · 389 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $12,338 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Ophthalmology |
Medical group
- The Retina Group of Washington PLLCSilver Spring, MD · 84 clinicians
Industry payments (Open Payments)
- 2025$1,142 · 16 payments from 9 companies
- 2024$679.50 · 14 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurotech Pharmaceuticals, Inc. | $412.12 | 2 |
| Sun Pharmaceutical Industries Inc. | $205.61 | 2 |
| Genentech USA, Inc. | $126.88 | 1 |
| Dompe US, Inc. | $120.90 | 1 |
| Regeneron Healthcare Solutions, Inc. | $103.51 | 3 |
What the 2025 payments were for
- Food and Beverage$1,142 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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