John Michael Cahill, M.D.
NPI 1063533875ActiveIndividual· Internal Medicine, Cardiovascular Disease· Greensboro, NC
Internal Medicine, Cardiovascular Disease (M.D.) with Arnot Ogden Medical Center and 2 other groups, practicing in Greensboro, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $579,340 for 5,262 claims, against $48,775 paid for services in 2024. Novo Nordisk Inc was the largest of 14 companies reporting payments in 2025, $779.31 in all, mostly food and beverage. Lists Arnot Ogden Medical Center as a hospital affiliation.
Overview
| NPI | 1063533875 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2007 |
| Last updated in NPPES | Jul 19, 2024 |
| Certified by provider | Jul 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 2009-00535 | NC |
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) (NC); Practitioner - Cardiovascular Disease (Cardiology) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 1,520 across 42 procedure codes |
| Paid by Medicare | $48,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,262 · 10,741 30-day fills |
|---|---|
| Patients | 656 |
| Total drug cost | $579,340 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Nuclear Medicine |
Medical groups
- Arnot Ogden Medical CenterHorseheads, NY · 216 clinicians
- Arnot Medical Services PLLCPainted Post, NY · 83 clinicians
- Bethany Medical CenterGreensboro, NC · 72 clinicians
Hospital affiliation
- Arnot Ogden Medical CenterElmira, NY
Industry payments (Open Payments)
- 2025$779.31 · 37 payments from 14 companies
- 2024$914.08 · 41 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $283.39 | 16 |
| Anika Therapeutics, Inc. | $99.23 | 1 |
| Collegium Pharmaceutical, Inc. | $74.18 | 4 |
| Abbvie Inc. | $49.56 | 3 |
| Novartis Pharmaceuticals Corporation | $43.21 | 2 |
What the 2025 payments were for
- Food and Beverage$779.31 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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