Quick answers
- Which hospitals does David T. Greenfield work at?
- Medicare's official clinician data lists David T. Greenfield at 1 hospital: Wellmont Holston Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David T. Greenfield see patients?
- Medicare's clinician data lists 1 practice location in Kingsport, TN. Call before your visit to confirm the address.
- What is David T. Greenfield's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also Cardiac Surgery.
- Does David T. Greenfield accept Medicare assignment?
- Yes. Medicare's clinician data says David T. Greenfield accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for David T. Greenfield?
- (423) 224-3701, as listed in official Medicare / NPI Registry data.
- What is David T. Greenfield's NPI number?
- 1710942545. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David T. Greenfield works
Medicare's Facility Affiliation Data lists David T. Greenfield at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wellmont Holston Valley Medical CenterKingsport, TN · Acute Care Hospital · CCN 440017
Practice locations
Addresses where David T. Greenfield is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 W Stone Dr, Suite 110Kingsport, TN 37660 (423) 224‑3701
Group practices
Medicare enrollment lists David T. Greenfield as a member of this group (CMS data updated 2026-10-02).
- Wellmont Medical Associates Inc433 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- Cardiac Surgeryalso
Other thoracic surgeons in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710942545 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians