Diana H. Kersten, M.D.
NPI 1154387595ActiveIndividual· Ophthalmology· Laguna Hills, CA
Ophthalmology (M.D.) in Laguna Hills, California, licensed in CA, with an NPI issued in April 2006. In 2024 Medicare paid $317,194 for 566 patients, and Part D covered 982 of their prescriptions, 36% of them generic. Bausch & Lomb Americas Inc. was the largest of 5 companies reporting payments in 2025, $623.94 in all, mostly food and beverage.
Overview
| NPI | 1154387595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Dec 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A42878 | 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 | 566 |
|---|---|
| Services billed | 2,604 across 30 procedure codes |
| Paid by Medicare | $317,194 |
Part D prescriptions in 2024
| Prescriptions (claims) | 982 · 1,260 30-day fills |
|---|---|
| Patients | 348 |
| Total drug cost | $104,044 |
| Generic share | 36% of claims |
Industry payments (Open Payments)
- 2025$623.94 · 13 payments from 5 companies
- 2024$503.94 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $362.62 | 4 |
| Alcon Vision LLC | $161.29 | 5 |
| Harrow Eye, LLC | $41.14 | 2 |
| Regeneron Healthcare Solutions, Inc. | $37.19 | 1 |
| Dompe US, Inc. | $21.70 | 1 |
What the 2025 payments were for
- Food and Beverage$623.94 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 ophthalmologists in Laguna Hills · All ophthalmologists in California