Benjamin Joseph Heinzen, M.D.
NPI 1083886733ActiveIndividual· Internal Medicine· Oshkosh, WI
Internal Medicine (M.D.) in Oshkosh, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,109,928 for 14,319 claims, against $79,041 paid for services in 2024.
Overview
| NPI | 1083886733 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2008 |
| Last updated in NPPES | Sep 16, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 55367-020 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 276 |
|---|---|
| Services billed | 2,091 across 63 procedure codes |
| Paid by Medicare | $79,041 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,319 · 34,158 30-day fills |
|---|---|
| Patients | 990 |
| Total drug cost | $1,109,928 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
Hospital affiliation
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
Other facilities
- Ascension at HomeHome health agency · Neenah, WI
- Compassus NeenahHospice · Neenah, 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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