James P. Volberding, M.D.
NPI 1629007125ActiveIndividual· Internal Medicine· Milwaukee, WI
Internal Medicine (M.D.) in Milwaukee, Wisconsin, trained at Southern Illinois University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $989,126 for 14,295 claims, against $114,376 paid for services in 2024.
Overview
| NPI | 1629007125 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Nov 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25736 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 6,824 across 54 procedure codes |
| Paid by Medicare | $114,376 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,295 · 27,184 30-day fills |
|---|---|
| Patients | 711 |
| Total drug cost | $989,126 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Madison Medical Affiliates IncMilwaukee, WI · 86 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Ascension St Francis HospitalMilwaukee, WI
- Orthopaedic Hospital of WisconsinGlendale, WI
- Waukesha Memorial HospitalWaukesha, WI
Other facilities
- Ascension at HomeHome health agency · Milwaukee, WI
- St Camillus HospiceHospice · Wauwatosa, WI
- Eastcastle Pl Bradford Ter Conv CtrNursing home · Milwaukee, WI
- Milwaukee Catholic HomeNursing home · Milwaukee, WI
- Saint Johns on the LakeNursing home · Milwaukee, 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