Robert Zimmanck, MD
NPI 1053348482ActiveIndividual· Internal Medicine· Park Ridge, IL
Internal Medicine (MD) in Park Ridge, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $719,390 for 9,613 claims, against $258,560 paid for services in 2024.
Overview
| NPI | 1053348482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | Dec 16, 2021 |
| Certified by provider | Dec 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036064801 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 903 |
|---|---|
| Services billed | 5,858 across 68 procedure codes |
| Paid by Medicare | $258,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,613 · 23,110 30-day fills |
|---|---|
| Patients | 794 |
| Total drug cost | $719,390 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Advocate Lutheran General HospitalPark Ridge, IL
- Advocate Sherman HospitalElgin, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- Advocate HospiceHospice · Oak Brook, IL
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 172 internal medicine physicians in Park Ridge · All internal medicine physicians in Illinois