Quick answers
- Which hospitals does John M. Harkless work at?
- Medicare's official clinician data lists John M. Harkless at 4 hospitals: Carilion Medical Center, Carilion New River Valley Medical Center, Smyth County Community Hospital and Wythe County Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Harkless see patients?
- Medicare's clinician data lists 1 practice location in Wytheville, VA. Call before your visit to confirm the address.
- What is John M. Harkless's specialty?
- Medicare lists Family Practice as the primary specialty, and also Dermatology, Emergency Medicine and Osteopathic Manipulative Medicine.
- Does John M. Harkless accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Harkless 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 John M. Harkless?
- (276) 227-0200, as listed in official Medicare / NPI Registry data.
- What is John M. Harkless's NPI number?
- 1083870455. 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 M. Harkless works
Medicare's Facility Affiliation Data lists John M. Harkless at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carilion Medical CenterRoanoke, VA · Acute Care Hospital · CCN 490024
- Carilion New River Valley Medical CenterChristiansburg, VA · Acute Care Hospital · CCN 490042
- Smyth County Community HospitalMarion, VA · Acute Care Hospital · CCN 490038
- Wythe County Community HospitalWytheville, VA · Acute Care Hospital · CCN 490111
Practice locations
Addresses where John M. Harkless is enrolled with Medicare (CMS data updated 2026-10-02).
- 1040 Holston RdWytheville, VA 24382 (276) 227‑0200
Specialties
Other family doctors in Wytheville
Clinicians with the same Medicare primary specialty in Wytheville, VA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083870455 |
| 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