Mark J. Fritz, M.D.
NPI 1669509550ActiveIndividual· Ophthalmology· Joliet, IL
Ophthalmology (M.D.) in Joliet, Illinois, trained at Northwestern University Feinberg Medical School (class of 1995). In 2024 Medicare paid $131,589 for 718 patients, and Part D covered 1,844 of their prescriptions, 68% of them generic.
Overview
| NPI | 1669509550 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 27, 2007 |
| Last updated in NPPES | Jun 24, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036099618 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 718 |
|---|---|
| Services billed | 1,758 across 20 procedure codes |
| Paid by Medicare | $131,589 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,844 · 3,021 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $83,189 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Ophthalmology |
Hospital affiliation
- Saint Joseph Medical CenterJoliet, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Joliet
- 1225148448
- 1700830957
- 1386634525
- 1912450727
- 1386140481
- 1790732147
- 1043264252
- 1356305643
- 1891749081
- 1598908675
- 1760131072