Mark J. Friedman, M.D.
NPI 1104018050ActiveIndividual· Psychiatry & Neurology, Psychiatry· Elgin, IL
Psychiatry & Neurology, Psychiatry (M.D.) in Elgin, Illinois, licensed in IL, with an NPI issued in August 2007. Part D covered 19 prescriptions written in 2024, 84% of them generic.
Overview
| NPI | 1104018050 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 15, 2007 |
| Last updated in NPPES | Jul 29, 2021 |
| Certified by provider | Jul 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 036103961 | IL |
| Psychiatry & Neurology, Child & Adolescent Psychiatry | 2084P0804X | 036103961 | IL |
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 - Psychiatry (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 27 30-day fills |
|---|---|
| Total drug cost | $245.12 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 psychiatrists in Elgin · All psychiatrists in Illinois