Quick answers
- Which hospitals does Mallory E. Shasteen work at?
- Medicare's official clinician data lists Mallory E. Shasteen at 3 hospitals: Prisma Health Baptist Easley Hospital, Prisma Health Greenville Memorial Hospital and Prisma Health Oconee Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mallory E. Shasteen see patients?
- Medicare's clinician data lists 1 practice location in Simpsonville, SC. Call before your visit to confirm the address.
- What is Mallory E. Shasteen's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Sports Medicine.
- Does Mallory E. Shasteen accept Medicare assignment?
- Yes. Medicare's clinician data says Mallory E. Shasteen 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 Mallory E. Shasteen?
- (864) 329-0029, as listed in official Medicare / NPI Registry data.
- What is Mallory E. Shasteen's NPI number?
- 1174967723. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mallory E. Shasteen works
Medicare's Facility Affiliation Data lists Mallory E. Shasteen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Prisma Health Baptist Easley HospitalEasley, SC · Acute Care Hospital · CCN 420015
- Prisma Health Greenville Memorial HospitalGreenville, SC · Acute Care Hospital · CCN 420078
- Prisma Health Oconee Memorial HospitalSeneca, SC · Acute Care Hospital · CCN 420009
Practice locations
Addresses where Mallory E. Shasteen is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Scuffletown RdSimpsonville, SC 29681 (864) 329‑0029
Group practices
Medicare enrollment lists Mallory E. Shasteen as a member of this group (CMS data updated 2026-10-02).
- Prisma Health University Medical Group2,493 clinicians in the group
Specialties
- Emergency Medicineprimary
- Sports Medicinealso
Other emergency medicine doctors in Simpsonville
Clinicians with the same Medicare primary specialty in Simpsonville, SC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174967723 |
| 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