Michael Rezak, MD, PHD
NPI 1003975897ActiveIndividual· Psychiatry & Neurology, Neurology· Park Ridge, IL
Psychiatry & Neurology, Neurology (MD, PHD) in Park Ridge, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,457,516 for 2,462 claims, against $89,364 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 6 companies reporting payments in 2025, $472.31 in all, mostly food and beverage.
Overview
| NPI | 1003975897 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Dec 7, 2006 |
| Last updated in NPPES | Aug 23, 2024 |
| Certified by provider | Aug 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 036073545 | IL |
| Psychiatry & Neurology, Neurology | 2084N0400X | 28511 | CT |
| Psychiatry & Neurology, Neurology | 2084N0400X | 296649 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 8,307 across 21 procedure codes |
| Paid by Medicare | $89,364 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,462 · 5,706 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $1,457,516 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Lutheran General HospitalPark Ridge, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
Industry payments (Open Payments)
- 2025$472.31 · 18 payments from 6 companies
- 2024$468.20 · 20 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $188.79 | 7 |
| Neurocrine Biosciences, Inc. | $75.50 | 3 |
| Mdd US Operations, LLC | $73.28 | 2 |
| Abbvie Inc. | $71.56 | 3 |
| Amneal Pharmaceuticals LLC | $44.48 | 2 |
What the 2025 payments were for
- Food and Beverage$360.86 · 17 payments
- Education$111.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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