Quick answers
- Which hospitals does John C. Hemphill work at?
- Medicare's official clinician data lists John C. Hemphill at 3 hospitals: Commonspirit-Memorial Hospital-North Georgia, Memorial Healthcare System, Inc and Rhea Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Hemphill see patients?
- Medicare's clinician data lists 8 practice locations, including Chattanooga, TN, Hixson, TN and Ringgold, GA. Call before your visit to confirm the address.
- What is John C. Hemphill's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Interventional Cardiology.
- Does John C. Hemphill accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Hemphill 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 C. Hemphill?
- (423) 697-2000, as listed in official Medicare / NPI Registry data.
- What is John C. Hemphill's NPI number?
- 1912188897. 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 C. Hemphill works
Medicare's Facility Affiliation Data lists John C. Hemphill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Commonspirit-Memorial Hospital-North GeorgiaRinggold, GA · Acute Care Hospital · CCN 110236
- Memorial Healthcare System, IncChattanooga, TN · Acute Care Hospital · CCN 440091
- Rhea Medical CenterDayton, TN · Critical Access Hospital · CCN 441310
Practice locations
Addresses where John C. Hemphill is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1949 Gunbarrel RdChattanooga, TN 37421 (423) 697‑2000
- 1949 Gunbarrel Rd, Suite 300Chattanooga, TN 37421 (423) 697‑2000
- 2051 Hamill RdHixson, TN 37343 (423) 697‑2000
- 2051 Hamill Rd, Suite 204Hixson, TN 37343 (423) 697‑2000
- 2501 Citico AveChattanooga, TN 37404 (423) 697‑2000
Group practices
Medicare enrollment lists John C. Hemphill as a member of this group (CMS data updated 2026-10-02).
- Memorial Health Care System Inc.56 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Tennessee →
Other cardiologists in Chattanooga
Clinicians with the same Medicare primary specialty in Chattanooga, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Carolina School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912188897 |
| 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