Quick answers
- Which hospitals does John A. Green work at?
- Medicare's official clinician data lists John A. Green at 2 hospitals: Johnson City Medical Center and Wellmont Bristol Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Green see patients?
- Medicare's clinician data lists 3 practice locations, including Johnson City, TN, Bristol, TN and Kingsport, TN. Call before your visit to confirm the address.
- What is John A. Green's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John A. Green accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Green 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 John A. Green's NPI number?
- 1740288380. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Green works
Medicare's Facility Affiliation Data lists John A. Green at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · CCN 440063
- Wellmont Bristol Regional Medical CenterBristol, TN · Acute Care Hospital · CCN 440012
Practice locations
Addresses where John A. Green is enrolled with Medicare (CMS data updated 2026-10-02).
- 1021 W Oakland Ave, Suite 310Johnson City, TN 37604
- 1089 PO BoxBristol, TN 37621
- PO Box, Suite 9Kingsport, TN 37662
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Johnson City
Clinicians with the same Medicare primary specialty in Johnson City, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740288380 |
| 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