Stephen C. Dinsmore, M.D.
NPI 1891906707ActiveIndividual· Ophthalmology· Torrance, CA
Ophthalmology (M.D.) in Torrance, California, licensed in CA, with an NPI issued in May 2007. Their prescriptions cost Medicare Part D more than their services did: $173,061 for 981 claims, against $97,562 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 3 companies reporting payments in 2024, $107.53 in all, mostly food and beverage.
Overview
| NPI | 1891906707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2007 |
| Last updated in NPPES | Nov 9, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | WG32005 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 534 |
|---|---|
| Services billed | 1,503 across 22 procedure codes |
| Paid by Medicare | $97,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 981 · 1,766 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $173,061 |
| Generic share | 55% of claims |
Industry payments (Open Payments)
- 2024$107.53 · 5 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $60.17 | 3 |
| Tarsus Pharmaceuticals, Inc. | $30.74 | 1 |
| Oyster Point Pharma, Inc. | $16.62 | 1 |
What the 2024 payments were for
- Food and Beverage$107.53 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 ophthalmologists in Torrance · All ophthalmologists in California