Steven R. Corwin, MD
NPI 1720089964ActiveIndividual· Ophthalmology· Thousand Oaks, CA
Ophthalmology (MD) in Thousand Oaks, California, trained at Medical College of Pennsylvania (class of 1983). In 2024 Medicare paid $429,322 for 1,139 patients, and Part D covered 2,280 of their prescriptions, 42% of them generic. Nova Eye, Inc. was the largest of 8 companies reporting payments in 2025, $1,024 in all, mostly food and beverage.
Overview
| NPI | 1720089964 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 10, 2005 |
| Last updated in NPPES | Mar 9, 2021 |
| Certified by provider | Mar 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G139740 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 1,139 |
|---|---|
| Services billed | 3,322 across 41 procedure codes |
| Paid by Medicare | $429,322 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,280 · 2,938 30-day fills |
|---|---|
| Patients | 528 |
| Total drug cost | $378,444 |
| Generic share | 42% of claims |
Education and affiliations
| Medical school | Medical College of Pennsylvania |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Ophthalmology |
Medical group
- Cse Medical Group Inc.Thousand Oaks, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$1,024 · 28 payments from 8 companies
- 2024$957.80 · 30 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nova Eye, Inc. | $248.63 | 4 |
| Alcon Vision LLC | $235.14 | 5 |
| Tarsus Pharmaceuticals, Inc. | $186.68 | 6 |
| Bausch & Lomb Americas Inc. | $103.40 | 5 |
| Sun Pharmaceutical Industries Inc. | $84.78 | 3 |
What the 2025 payments were for
- Food and Beverage$1,024 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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