William James Wittman, MD
NPI 1902880511ActiveIndividual· Internal Medicine· Oconto Falls, WI
Internal Medicine (MD) in Oconto Falls, Wisconsin, trained at University of Minnesota Medical School (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $57,950 for 1,084 claims, against $38,270 paid for services in 2024.
Overview
| NPI | 1902880511 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 6, 2005 |
| Last updated in NPPES | Aug 24, 2020 |
| Certified by provider | Aug 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 24066 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 177 |
|---|---|
| Services billed | 583 across 8 procedure codes |
| Paid by Medicare | $38,270 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,084 · 1,343 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $57,950 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
Medical group
- Apogee Medical Group Wisconsin SCGreen Bay, WI · 42 clinicians
Hospital affiliations
- Bellin Health Oconto HospitalOconto, WI
- Bellin Memorial HospitalGreen Bay, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Oconto Falls
- 1093166266
- 1174630628