John Mason, MD
NPI 1447464789ActiveIndividual· Internal Medicine, Cardiovascular Disease· Parkersburg, WV
Internal Medicine, Cardiovascular Disease (MD) with Marietta Memorial Hospital, practicing in Parkersburg, West Virginia. Their prescriptions cost Medicare Part D more than their services did: $1,742,230 for 8,191 claims, against $118,917 paid for services in 2024. Kestra Medical Technology Services, Inc. was the largest of 6 companies reporting payments in 2025, $453.05 in all, mostly food and beverage. Lists Camden Clark Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1447464789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2007 |
| Last updated in NPPES | Oct 21, 2026 |
| Certified by provider | Oct 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 22957 | WV |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 35.095222 | OH |
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 - Cardiovascular Disease (Cardiology) (OH); Practitioner - Cardiovascular Disease (Cardiology) (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,509 |
|---|---|
| Services billed | 4,540 across 48 procedure codes |
| Paid by Medicare | $118,917 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,191 · 19,103 30-day fills |
|---|---|
| Patients | 1,669 |
| Total drug cost | $1,742,230 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Marietta Memorial HospitalMarietta, OH · 392 clinicians
Hospital affiliations
- Camden Clark Medical CenterParkersburg, WV
- Jackson General HospitalRipley, WV
- Marietta Memorial HospitalMarietta, OH
- Selby General HospitalMarietta, OH
- Sistersville General HospitalSistersville, WV
Industry payments (Open Payments)
- 2025$453.05 · 30 payments from 6 companies
- 2024$433.99 · 27 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kestra Medical Technology Services, Inc. | $163.05 | 19 |
| Boston Scientific Corporation | $134.02 | 4 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $64.20 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $44.88 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $25.61 | 1 |
What the 2025 payments were for
- Food and Beverage$453.05 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Parkersburg
- 1457404873
- 1174591192
- 1033186267
- 1669792024
All Internal Medicine, Cardiovascular Disease providers in West Virginia →