John M. Byrnes, M.D.
NPI 1700846334ActiveIndividual· Internal Medicine· Smyrna, TN
Internal Medicine (M.D.) in Smyrna, Tennessee, licensed in TN, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $257,741 for 4,143 claims, against $32,749 paid for services in 2024. Indivior Inc. was the largest of 9 companies reporting payments in 2025, $259.88 in all, mostly food and beverage. Lists Tristar Stonecrest Medical Center as a hospital affiliation.
Overview
| NPI | 1700846334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 27, 2006 |
| Last updated in NPPES | Jun 28, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD16149 | TN |
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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 867 across 35 procedure codes |
| Paid by Medicare | $32,749 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,143 · 5,360 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $257,741 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Tristar Stonecrest Medical CenterSmyrna, TN
Industry payments (Open Payments)
- 2025$259.88 · 11 payments from 9 companies
- 2024$385.99 · 18 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Indivior Inc. | $55.88 | 2 |
| Exact Sciences Corporation | $42.42 | 2 |
| Astellas Pharma US Inc | $33.14 | 1 |
| Inspire Medical Systems, Inc. | $31.24 | 1 |
| Novo Nordisk Inc | $21.10 | 1 |
What the 2025 payments were for
- Food and Beverage$259.88 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in Smyrna · All internal medicine physicians in Tennessee