Nathaniel Stuart Besch, D.O.
NPI 1487732533ActiveIndividual· Family Medicine· Whitewater, WI
Family Medicine (D.O.) with Dean Health Systems Inc, practicing in Whitewater, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $768,231 for 8,983 claims, against $112,553 paid for services in 2024. Lists Fort Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487732533 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2006 |
| Last updated in NPPES | Nov 3, 2020 |
| Certified by provider | Nov 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 48381-021 | 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 | 398 |
|---|---|
| Services billed | 2,577 across 56 procedure codes |
| Paid by Medicare | $112,553 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,983 · 18,773 30-day fills |
|---|---|
| Patients | 564 |
| Total drug cost | $768,231 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Dean Health Systems IncSun Prairie, WI · 1,159 clinicians
Hospital affiliations
- Fort Memorial HospitalFort Atkinson, WI
- Ssm Health St Mary's Hospital - JanesvilleJanesville, WI
- Ssm Health St Mary's Hospital - MadisonMadison, WI
Other facilities
- Aurora at HomeHome health agency · Milwaukee, WI
- Commonheart Home HealthHome health agency · Waukesha, WI
- Ssm Health at Home Home Health-WisconsinHome health agency · Madison, WI
- Rainbow Hospice CareHospice · Jefferson, 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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