Carrie Jean Koenig, O.D.
NPI 1881684652ActiveIndividual· Optometrist· Ames, IA
Optometrist (O.D.) in Ames, Iowa, trained at Indiana University - School of Optometry (class of 1999). In 2024 Medicare paid $38,498 for 393 patients, and Part D covered 148 of their prescriptions, 76% of them generic. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $708.10 in all, mostly food and beverage.
Overview
| NPI | 1881684652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Oct 24, 2005 |
| Last updated in NPPES | Nov 13, 2020 |
| Certified by provider | Nov 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 002178 | IA |
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 - Optometry (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 393 |
|---|---|
| Services billed | 727 across 18 procedure codes |
| Paid by Medicare | $38,498 |
Part D prescriptions in 2024
| Prescriptions (claims) | 148 · 283 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $20,150 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Optometry |
Medical group
- McFarland Clinic PCAmes, IA · 363 clinicians
Industry payments (Open Payments)
- 2025$708.10 · 22 payments from 4 companies
- 2024$105.44 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $449.27 | 15 |
| Tarsus Pharmaceuticals, Inc. | $140.13 | 2 |
| Bausch & Lomb Americas Inc. | $88.65 | 3 |
| Coopervision Inc. | $30.05 | 2 |
What the 2025 payments were for
- Food and Beverage$708.10 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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