Christopher D. Knight, M.D.
NPI 1659374205ActiveIndividual· Ophthalmology· Warsaw, IN
Ophthalmology (M.D.) in Warsaw, Indiana, trained at University of Michigan Medical School (class of 1993). In 2024 Medicare paid $901,978 for 877 patients, and Part D covered 3,301 of their prescriptions, 73% of them generic. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $1,376 in all, mostly food and beverage.
Overview
| NPI | 1659374205 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2005 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 01046433A | IN |
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 | 877 |
|---|---|
| Services billed | 8,547 across 43 procedure codes |
| Paid by Medicare | $901,978 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,301 · 6,095 30-day fills |
|---|---|
| Patients | 586 |
| Total drug cost | $304,066 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Ophthalmology |
Medical group
- Grossnickle Eye Center IncWarsaw, IN · 12 clinicians
Industry payments (Open Payments)
- 2025$1,376 · 35 payments from 8 companies
- 2024$2,308 · 32 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $659.00 | 18 |
| Glaukos Corporation | $198.97 | 2 |
| Rxsight Inc | $163.10 | 3 |
| Abbvie Inc. | $148.74 | 8 |
| Lensar, Inc. | $83.39 | 1 |
What the 2025 payments were for
- Food and Beverage$1,376 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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