Frank J. Zimmerman
NPI 1174673123ActiveIndividual· Pediatrics, Pediatric Cardiology· Chicago, IL
Pediatrics, Pediatric Cardiology in Chicago, Illinois, trained at Northwestern University Feinberg Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $18,040 for 91 claims, against $6,183 paid for services in 2024. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $375.24 in all, mostly food and beverage.
Overview
| NPI | 1174673123 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | Oct 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Cardiology Primary | 2080P0202X | 036086352 | 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 - Pediatric Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 128 across 24 procedure codes |
| Paid by Medicare | $6,183 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 177 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $18,040 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Cardiac Surgery |
Medical groups
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
- University of ChicagoChicago, IL · 1,712 clinicians
Industry payments (Open Payments)
- 2025$375.24 · 7 payments from 3 companies
- 2024$114.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $182.30 | 4 |
| Stryker Corporation | $100.68 | 2 |
| Biosense Webster, Inc. | $92.26 | 1 |
What the 2025 payments were for
- Food and Beverage$375.24 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 101 Pediatrics, Pediatric Cardiology providers in Chicago · All Pediatrics, Pediatric Cardiology providers in Illinois