Gregory Sieverding, ACNPC-AG
NPI 1376275420 · Acute Care Nurse Practitioner · Columbia, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Sieverding, ACNPC-AG is a Acute Care Nurse Practitioner provider in Columbia, SC (NPI 1376275420).
Provider details
- NPI number
- 1376275420
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNPC-AG
- Sex
- Male
- Sole proprietor
- No
- License
- H169714 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-28
- Last updated
- 2023-11-21
- Certified
- 2023-11-21
Frequently asked questions
- What is Gregory Sieverding's NPI number?
- Gregory Sieverding's National Provider Identifier (NPI) is 1376275420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Sieverding's specialty?
- Gregory Sieverding is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Sieverding located?
- Gregory Sieverding's practice location on file with NPPES is 2435 Forest Dr, Columbia, SC 29204-2026.
- What is Gregory Sieverding's phone number?
- The practice phone number listed in the NPPES registry for Gregory Sieverding is (803) 256-5300.
- Does Gregory Sieverding accept Medicare?
- Gregory Sieverding is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Sieverding's NPI active?
- Yes — Gregory Sieverding's NPI (1376275420) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.