Quick answers
- Which hospitals does Mark A. Ellis work at?
- Medicare's official clinician data lists Mark A. Ellis at 5 hospitals: Cherokee Medical Center, Mountain Lakes Medical Center, Pelham Medical Center, Spartanburg Medical Center and Union Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Ellis see patients?
- Medicare's clinician data lists 3 practice locations, including Spartanburg, SC, Clayton, GA and Greer, SC. Call before your visit to confirm the address.
- What is Mark A. Ellis's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark A. Ellis accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Ellis 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 Mark A. Ellis?
- (864) 560-6000, as listed in official Medicare / NPI Registry data.
- What is Mark A. Ellis's NPI number?
- 1780835298. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark A. Ellis works
Medicare's Facility Affiliation Data lists Mark A. Ellis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cherokee Medical CenterGaffney, SC · Acute Care Hospital · CCN 420043
- Mountain Lakes Medical CenterClayton, GA · Critical Access Hospital · CCN 111336
- Pelham Medical CenterGreer, SC · Acute Care Hospital · CCN 420103
- Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospital · CCN 420007
- Union Medical CenterUnion, SC · Acute Care Hospital · CCN 420108
Practice locations
Addresses where Mark A. Ellis is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 E Wood StSpartanburg, SC 29303 (864) 560‑6000
- 162 Legacy PtClayton, GA 30525 (706) 782‑3100
- 250 Westmoreland RdGreer, SC 29651 (864) 560‑6619
Group practices
Medicare enrollment lists Mark A. Ellis as a member of these groups (CMS data updated 2026-10-02).
- Spartanburg Medical Center1,078 clinicians in the group
- Pelham Medical Center134 clinicians in the group
- Professional Resources Management of Rabun LLC17 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Spartanburg
Clinicians with the same Medicare primary specialty in Spartanburg, SC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780835298 |
| 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