Michael E. Sullivan, M.D.
NPI 1093883142ActiveIndividual· Family Medicine· Watertown, WI
Family Medicine (M.D.) in Watertown, Wisconsin, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,035,519 for 13,095 claims, against $159,310 paid for services in 2024. Merck Sharp & Dohme LLC reported $13.63 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1093883142 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 30, 2006 |
| Last updated in NPPES | Apr 7, 2022 |
| Certified by provider | Apr 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 46656 | 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 | 433 |
|---|---|
| Services billed | 2,247 across 50 procedure codes |
| Paid by Medicare | $159,310 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,095 · 22,427 30-day fills |
|---|---|
| Patients | 612 |
| Total drug cost | $1,035,519 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Oak Medical SCLodi, WI · 123 clinicians
- Watertown Family Practice Associates, SCWatertown, WI · 9 clinicians
Hospital affiliations
- Fort Memorial HospitalFort Atkinson, WI
- Watertown Memorial HospitalWatertown, WI
- Waukesha Memorial HospitalWaukesha, WI
Other facilities
- Commonheart Home HealthHome health agency · Waukesha, WI
- Commonheart HospiceHospice · Waukesha, WI
- Marquardt Memorial ManorNursing home · Watertown, WI
Industry payments (Open Payments)
- 2025$13.63 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $13.63 | 1 |
What the 2025 payments were for
- Food and Beverage$13.63 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Watertown
- 1033178512
- 1083806814
- 1336401736
- 1376172007
- 1013908771
- 1942888243
- 1023085685
- 1003383027
- 1003963877
- 1194582924
- 1215005368
- 1356627699
All 24 family medicine physicians in Watertown · All family medicine physicians in Wisconsin