William John Nicholas, MD
NPI 1356387484ActiveIndividual· Internal Medicine, Interventional Cardiology· Joplin, MO
Internal Medicine, Interventional Cardiology (MD) with Freeman-Oak Hill Health System and 2 other groups, practicing in Joplin, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,294,408 for 12,358 claims, against $562,698 paid for services in 2024. Abbott Laboratories was the largest of 8 companies reporting payments in 2025, $2,260 in all, mostly travel and lodging. Lists Ascension St John Jane Phillips and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1356387484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | Aug 7, 2026 |
| Certified by provider | Aug 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 110180 | MO |
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 - Cardiovascular Disease (Cardiology) (KS); Practitioner - Cardiovascular Disease (Cardiology) (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,502 |
|---|---|
| Services billed | 11,141 across 174 procedure codes |
| Paid by Medicare | $562,698 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,358 · 27,279 30-day fills |
|---|---|
| Patients | 1,638 |
| Total drug cost | $1,294,408 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Freeman-Oak Hill Health SystemJoplin, MO · 394 clinicians
- Labette County Medical CenterParsons, KS · 68 clinicians
- Freeman Neosho HospitalNeosho, MO · 43 clinicians
Hospital affiliations
- Ascension St John Jane PhillipsBartlesville, OK
- Freeman Health System - Freeman WestJoplin, MO
- Freeman Neosho HospitalNeosho, MO
- Labette HealthParsons, KS
- Mercy Hospital JoplinJoplin, MO
Industry payments (Open Payments)
- 2025$2,260 · 14 payments from 8 companies
- 2024$5,056 · 48 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,186 | 3 |
| Stryker Corporation | $676.27 | 2 |
| Boston Scientific Corporation | $178.90 | 3 |
| W. L. Gore & Associates, Inc. | $129.84 | 1 |
| Novartis Pharmaceuticals Corporation | $32.46 | 2 |
What the 2025 payments were for
- Travel and Lodging$1,569 · 3 payments
- Food and Beverage$691.27 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other interventional cardiologists in Joplin
- 1043253693
- 1255334777
- 1427159672
- 1487060364
- 1548791460
- 1689600850
- 1699710996
- 1720180433
- 1831130020
- 1508807512