Mark Alan Altfillisch, OD
NPI 1093814014ActiveIndividual· Optometrist· Ottumwa, IA
Optometrist (OD) in Ottumwa, Iowa, trained at Southern College of Optometry (class of 1992). In 2024 Medicare paid $74,995 for 713 patients, and Part D covered 599 of their prescriptions, 77% of them generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $35.77 in all, mostly food and beverage.
Overview
| NPI | 1093814014 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Sep 2, 2026 |
| Certified by provider | Sep 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 1969 | IA |
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 - Optometry (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 713 |
|---|---|
| Services billed | 1,161 across 22 procedure codes |
| Paid by Medicare | $74,995 |
Part D prescriptions in 2024
| Prescriptions (claims) | 599 · 798 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $45,363 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$35.77 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $19.11 | 1 |
| Alcon Vision LLC | $16.66 | 1 |
What the 2025 payments were for
- Food and Beverage$35.77 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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