John Murray IV, M.D.
NPI 1730614736ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Knoxville, TN
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Knoxville, Tennessee, trained at Medical University of South Carolina College of Medicine (class of 2017). 83 Medicare patients in 2024, $73,144 paid; all of their 51 Part D prescriptions were generic. Atricure, Inc. was the largest of 13 companies reporting payments in 2025, $1,076 in all, mostly food and beverage.
Overview
| NPI | 1730614736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 27, 2017 |
| Last updated in NPPES | Oct 27, 2023 |
| Certified by provider | Oct 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 68605 | 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 - Cardiac Surgery (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 221 across 36 procedure codes |
| Paid by Medicare | $73,144 |
Part D prescriptions in 2024
| Prescriptions (claims) | 51 · 53 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $326.72 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Cardiac Surgery |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$1,076 · 39 payments from 13 companies
- 2024$782.42 · 37 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $237.92 | 15 |
| Medtronic, Inc. | $206.84 | 2 |
| Abiomed | $146.69 | 1 |
| Smoky Mountain Surgical LLC | $106.05 | 5 |
| Ethicon US, LLC | $82.12 | 2 |
What the 2025 payments were for
- Food and Beverage$1,076 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiothoracic surgeons in Knoxville
- 1063405603
- 1205212230
- 1457535379
- 1558308858
- 1679835268
- 1962606822
- 1023671716
- 1023337136
- 1073558524
- 1225321086
- 1538148630
- 1609188754
All 29 cardiothoracic surgeons in Knoxville · All cardiothoracic surgeons in Tennessee