Michael David Lewen, MD
NPI 1861830119ActiveIndividual· Ophthalmology, Retina Specialist· Pittsburgh, PA
Ophthalmology, Retina Specialist (MD) with Allegheny Clinic and 2 other groups, practicing in Pittsburgh, Pennsylvania. In 2024 Medicare paid $154,261 for 209 patients, and Part D covered 337 of their prescriptions, 55% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 4 companies reporting payments in 2025, $488.64 in all, mostly food and beverage. Lists Allegheny General Hospital as a hospital affiliation.
Overview
| NPI | 1861830119 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2013 |
| Last updated in NPPES | Sep 17, 2025 |
| Certified by provider | Sep 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | MD466664 | PA |
| Ophthalmology | 207W00000X | MD466664 | PA |
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 (MA); Practitioner - Ophthalmology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 2,998 across 36 procedure codes |
| Paid by Medicare | $154,261 |
Part D prescriptions in 2024
| Prescriptions (claims) | 337 · 469 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $13,159 |
| Generic share | 55% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical groups
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
- Alexander Chang MD PCPittsburgh, PA · 8 clinicians
- Allegheny Ophthalmic and Orbital AssociatesPittsburgh, PA · 5 clinicians
Hospital affiliation
- Allegheny General HospitalPittsburgh, PA
Industry payments (Open Payments)
- 2025$488.64 · 15 payments from 4 companies
- 2024$460.65 · 16 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $336.46 | 10 |
| Astellas Pharma US Inc | $89.17 | 3 |
| Genentech USA, Inc. | $34.66 | 1 |
| Alcon Vision LLC | $28.35 | 1 |
What the 2025 payments were for
- Food and Beverage$488.64 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology, Retina Specialist providers in Pittsburgh
- 1528623477
- 1669941522
- 1235617051
- 1255682217
- 1841112141
- 1407702657
All Ophthalmology, Retina Specialist providers in Pennsylvania