John M. Mashny, MD
NPI 1013989318ActiveIndividual· Internal Medicine, Cardiovascular Disease· Cincinnati, OH
Internal Medicine, Cardiovascular Disease (MD) in Cincinnati, Ohio, trained at University of Cincinnati College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,052,010 for 4,538 claims, against $164,526 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 5 companies reporting payments in 2025, $109.43 in all, mostly food and beverage.
Overview
| NPI | 1013989318 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Aug 1, 2024 |
| Certified by provider | Aug 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 35072707 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,230 |
|---|---|
| Services billed | 4,593 across 31 procedure codes |
| Paid by Medicare | $164,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,538 · 10,335 30-day fills |
|---|---|
| Patients | 858 |
| Total drug cost | $1,052,010 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Trihealth H LLCCincinnati, OH · 850 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Good Samaritan HospitalCincinnati, OH
- McCullough-Hyde Memorial HospitalOxford, OH
- Mercy Health - West HospitalCincinnati, OH
Industry payments (Open Payments)
- 2025$109.43 · 5 payments from 5 companies
- 2024$143.73 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $38.38 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $23.77 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.25 | 1 |
| Amgen Inc. | $13.55 | 1 |
| Pfizer Inc. | $13.48 | 1 |
What the 2025 payments were for
- Food and Beverage$109.43 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Cincinnati
- 1225174824
- 1972593234
- 1902877574
- 1790867810
- 1780593376
- 1881875193
- 1801126818
- 1184756355
- 1881727568
- 1992837249
- 1205968567
- 1902803919
All Internal Medicine, Cardiovascular Disease providers in Ohio →