D Tyler Greenfield, MD
NPI 1710942545ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Kingsport, TN
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) with Wellmont Medical Associates Inc, practicing in Kingsport, Tennessee. Enrolled in Medicare as practitioner - thoracic surgery. Polymedics Innovations Inc. was the largest of 2 companies reporting payments in 2025, $72.12 in all, mostly food and beverage. Lists Wellmont Holston Valley Medical Center as a hospital affiliation.
Overview
| NPI | 1710942545 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2006 |
| Last updated in NPPES | Apr 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 29195 | 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 - Thoracic Surgery (TN) |
|---|
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | Cardiac Surgery |
Medical group
- Wellmont Medical Associates IncKingsport, TN · 433 clinicians
Hospital affiliation
- Wellmont Holston Valley Medical CenterKingsport, TN
Industry payments (Open Payments)
- 2025$72.12 · 3 payments from 2 companies
- 2024$634.37 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Polymedics Innovations Inc. | $45.37 | 2 |
| Smith+nephew, Inc. | $26.75 | 1 |
What the 2025 payments were for
- Food and Beverage$72.12 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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