Mari Ann Keithahn, M.D.
NPI 1902880313ActiveIndividual· Ophthalmology· Columbia, MO
Ophthalmology (M.D.) in Columbia, Missouri, trained at Duke University School of Medicine (class of 1990). In 2024 Medicare paid $4,892,984 for 1,060 patients, and Part D covered 281 of their prescriptions, 75% of them generic. Regeneron Healthcare Solutions, Inc. reported $68.50 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1902880313 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 30, 2005 |
| Last updated in NPPES | Jun 29, 2021 |
| Certified by provider | Dec 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 111416 | MO |
| Ophthalmology, Retina Specialist | 207WX0107X | 111416 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,060 |
|---|---|
| Services billed | 52,513 across 34 procedure codes |
| Paid by Medicare | $4,892,984 |
Part D prescriptions in 2024
| Prescriptions (claims) | 281 · 334 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $12,068 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2024$68.50 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $68.50 | 1 |
What the 2024 payments were for
- Food and Beverage$68.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 ophthalmologists in Columbia · All ophthalmologists in Missouri