Carissa Lynn Klaas I, MD
NPI 1740488378ActiveIndividual· Ophthalmology· Greenwood, IN
Ophthalmology (MD) in Greenwood, Indiana, trained at Indiana University School of Medicine (class of 2005). In 2024 Medicare paid $374,146 for 257 patients, and Part D covered 226 of their prescriptions, 75% of them generic. Genentech USA, Inc. was the largest of 5 companies reporting payments in 2025, $493.62 in all, mostly food and beverage.
Overview
| NPI | 1740488378 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2007 |
| Last updated in NPPES | Aug 4, 2022 |
| Certified by provider | Aug 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD2022-0402 | NM |
| Ophthalmology | 207W00000X | MD2022-0502 | NM |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 9,340 across 32 procedure codes |
| Paid by Medicare | $374,146 |
Part D prescriptions in 2024
| Prescriptions (claims) | 226 · 298 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $9,132 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$493.62 · 13 payments from 5 companies
- 2024$317.95 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $194.97 | 3 |
| Harrow Eye, LLC | $148.41 | 3 |
| Apellis Pharmaceuticals, Inc. | $75.05 | 3 |
| Astellas Pharma US Inc | $44.28 | 2 |
| Ani Pharmaceuticals, Inc. | $30.91 | 2 |
What the 2025 payments were for
- Food and Beverage$493.62 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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