William J. Sullivan, D.O.
NPI 1093805897ActiveIndividual· Internal Medicine· Frontenac, KS
Internal Medicine (D.O.) in Frontenac, Kansas, trained at Kansas City University of Med & Biosciences, College of Osteo Med (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $717,080 for 9,477 claims, against $64,200 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $418.83 in all, mostly food and beverage.
Overview
| NPI | 1093805897 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Aug 6, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 05-25406 | KS |
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 (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 1,495 across 46 procedure codes |
| Paid by Medicare | $64,200 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,477 · 16,912 30-day fills |
|---|---|
| Patients | 400 |
| Total drug cost | $717,080 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Kansas City University of Med & Biosciences, College of Osteo Med |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Freeman-Oak Hill Health SystemJoplin, MO · 394 clinicians
Hospital affiliations
- Freeman Health System - Freeman WestJoplin, MO
- Girard Medical CenterGirard, KS
- Mercy Hospital JoplinJoplin, MO
- Mercy Hospital Pittsburg, IncPittsburg, KS
Other facilities
- Angels Care Home HealthHome health agency · Chanute, KS
- Ascension at HomeHome health agency · Pittsburg, KS
- Harry Hynes Memorial HospiceHospice · Wichita, KS
- Arma Operator, LLCNursing home · Arma, KS
- Galena Nursing & Rehab CenterNursing home · Galena, KS
- Via Christi Village PittsburgNursing home · Pittsburg, KS
Industry payments (Open Payments)
- 2025$418.83 · 6 payments from 3 companies
- 2024$191.97 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $170.90 | 4 |
| Astrazeneca Pharmaceuticals LP | $125.00 | 1 |
| Lilly USA, LLC | $122.93 | 1 |
What the 2025 payments were for
- Food and Beverage$418.83 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Frontenac
- 1942380100