Quick answers
- Where does Gregory J. Sieverding see patients?
- Medicare's clinician data lists 1 practice location in Easley, SC. Call before your visit to confirm the address.
- What is Gregory J. Sieverding's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Gregory J. Sieverding accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Sieverding 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 Gregory J. Sieverding?
- (864) 442-4110, as listed in official Medicare / NPI Registry data.
- What is Gregory J. Sieverding's NPI number?
- 1376275420. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gregory J. Sieverding is enrolled with Medicare (CMS data updated 2026-10-02).
- 105 Franklin Square Way, Suite AEasley, SC 29642 (864) 442‑4110
Group practices
Medicare enrollment lists Gregory J. Sieverding as a member of this group (CMS data updated 2026-10-02).
- Onsite Healthcare and Wellness LLC28 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Easley
Clinicians with the same Medicare primary specialty in Easley, SC — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376275420 |
| 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
- 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