Barbara Grzaba-Gracz, MD
NPI 1366557316ActiveIndividual· Internal Medicine· Milwaukee, WI
Internal Medicine (MD) with Aurora Medical Group, Inc. and 1 other group, practicing in Milwaukee, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,459,450 for 18,892 claims, against $87,416 paid for services in 2024. Lists Ascension Se Wisconsin Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1366557316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | May 29, 2024 |
| Certified by provider | May 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 40549 | WI |
| Internal Medicine | 207R00000X | 036-108135 | 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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 350 |
|---|---|
| Services billed | 1,136 across 41 procedure codes |
| Paid by Medicare | $87,416 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,892 · 41,106 30-day fills |
|---|---|
| Patients | 1,167 |
| Total drug cost | $1,459,450 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
- Aamg Reach PLLCKenosha, WI · 51 clinicians
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Aurora Medical CenterGrafton, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- West Allis Memorial HospitalWest Allis, WI
Other facilities
- Aurora at HomeHome health agency · Milwaukee, WI
- Aurora at HomeHospice · Wauwatosa, WI
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 416 internal medicine physicians in Milwaukee · All internal medicine physicians in Wisconsin