Mark A. Houser, O.D.
NPI 1740472216ActiveIndividual· Optometrist· Bloomington, IN
Optometrist (O.D.) in Bloomington, Indiana, trained at Indiana University - School of Optometry (class of 2005). Mostly services rather than prescriptions: Medicare paid $19,023 for 199 patients in 2024, with only 21 Part D claims. Bausch & Lomb Americas Inc. reported $17.30 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1740472216 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 17, 2007 |
| Last updated in NPPES | Aug 15, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 18003478A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 290 across 11 procedure codes |
| Paid by Medicare | $19,023 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 25 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $307.34 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Optometry |
Medical group
- City Optical Co IncIndianapolis, IN · 49 clinicians
Industry payments (Open Payments)
- 2025$17.30 · 1 payment from 1 company
- 2024$200.37 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $17.30 | 1 |
What the 2025 payments were for
- Food and Beverage$17.30 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 129 optometrists in Bloomington · All optometrists in Indiana