Mark Francis Ozog, MD
NPI 1124106786ActiveIndividual· Ophthalmology· Great Falls, MT
Ophthalmology (MD) in Great Falls, Montana, licensed in MT and CO, with an NPI issued in November 2006. In 2024 Medicare paid $1,185,337 for 815 patients, and Part D covered 639 of their prescriptions, 56% of them generic. Regeneron Healthcare Solutions, Inc. reported $85.74 in payments in 2025, mostly food and beverage. Lists Benefis Hospitals Inc as a hospital affiliation.
Overview
| NPI | 1124106786 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Mar 22, 2023 |
| Certified by provider | Mar 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 7816 | MT |
| Ophthalmology | 207W00000X | 29408 | CO |
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 (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 815 |
|---|---|
| Services billed | 16,702 across 40 procedure codes |
| Paid by Medicare | $1,185,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 639 · 889 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $42,693 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Ophthalmology |
Hospital affiliation
- Benefis Hospitals IncGreat Falls, MT
Industry payments (Open Payments)
- 2025$85.74 · 1 payment from 1 company
- 2024$116.61 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $85.74 | 1 |
What the 2025 payments were for
- Food and Beverage$85.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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