Joseph A. Nicholas, M.D.
NPI 1528094588ActiveIndividual· Family Medicine· Greenfield, WI
Family Medicine (M.D.) in Greenfield, Wisconsin, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $929,872 for 10,413 claims, against $61,020 paid for services in 2024.
Overview
| NPI | 1528094588 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Jun 25, 2025 |
| Certified by provider | Jun 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 49329-020 | WI |
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 - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 986 across 42 procedure codes |
| Paid by Medicare | $61,020 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,413 · 21,789 30-day fills |
|---|---|
| Patients | 655 |
| Total drug cost | $929,872 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Family Practice |
Medical groups
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
- Lakeshore Medical Clinic LLCSaint Francis, WI · 379 clinicians
Hospital affiliations
- 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
Other family medicine physicians in Greenfield
- 1083789820
- 1104232909
- 1134183783
- 1285165118
- 1376961086
- 1477555951
- 1538348537
- 1548330467
- 1851774822
- 1952389876
- 1245598127
- 1972519361
All 41 family medicine physicians in Greenfield · All family medicine physicians in Wisconsin