Diane M. Witek, M.D.
NPI 1316157779ActiveIndividual· Family Medicine· Jackson, WI
Family Medicine (M.D.) in Jackson, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $562,232 for 6,826 claims, against $49,015 paid for services in 2024.
Overview
| NPI | 1316157779 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Apr 1, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 52622 | 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 | 192 |
|---|---|
| Services billed | 744 across 40 procedure codes |
| Paid by Medicare | $49,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,826 · 14,844 30-day fills |
|---|---|
| Patients | 509 |
| Total drug cost | $562,232 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Froedtert Andthe Medical College of Wisconsin Community Physicians IncWauwatosa, WI · 1,285 clinicians
Hospital affiliations
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
- St Josephs Community Hospital West BendWest Bend, WI
Other facilities
- Commonheart HospiceHospice · Waukesha, WI
- Cedar Lake Health and Rehab CenterNursing home · West Bend, 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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