Robert Allen Lowenthal, M.D.
NPI 1871509323ActiveIndividual· Ophthalmology· Springfield, IL
Ophthalmology (M.D.) in Springfield, Illinois, licensed in IL, with an NPI issued in August 2006. In 2024 Medicare paid $3,687,517 for 774 patients, and Part D covered 114 of their prescriptions, 55% of them generic. Astellas Pharma US Inc was the largest of 4 companies reporting payments in 2025, $256.03 in all, mostly food and beverage.
Overview
| NPI | 1871509323 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | May 21, 2020 |
| Certified by provider | May 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036099681 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 774 |
|---|---|
| Services billed | 75,541 across 26 procedure codes |
| Paid by Medicare | $3,687,517 |
Part D prescriptions in 2024
| Prescriptions (claims) | 114 · 186 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $14,236 |
| Generic share | 55% of claims |
Industry payments (Open Payments)
- 2025$256.03 · 9 payments from 4 companies
- 2024$604.22 · 18 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $129.74 | 4 |
| Genentech USA, Inc. | $84.02 | 3 |
| Regeneron Healthcare Solutions, Inc. | $25.84 | 1 |
| Thea Pharma Inc. | $16.43 | 1 |
What the 2025 payments were for
- Food and Beverage$256.03 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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