Gregory Joseph Sieverding, ACNPC-AG
Acute Care Nurse Practitioner · Columbia, SC
Gregory Joseph Sieverding, ACNPC-AG is an acute care nurse practitioner with a practice address in Columbia, South Carolina, and NPI 1376275420, issued on Jun 28, 2022. Check the license (South Carolina 26633, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Joseph Sieverding
- Credential
- ACNPC-AG
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 26633 SC
H169714 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2435 Forest Dr, Columbia, SC 29204
- Phone
- (803) 256-5300
- Enumerated
- Jun 28, 2022
- Record last updated
- Nov 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20221205002996); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 465 in South Carolina → Look up another NPI →
Also registered at 2435 Forest Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaime AdamsAnesthesiology Physician1720413230
- Timothy Adams, M.D.Anesthesiology Physician1891749107
- Christina Adkins, NPAcute Care Nurse Practitioner1386232890
- Anees Ahmad, M.D.Internal Medicine Physician1124709332
- Oluwasegun AkintiInternal Medicine Physician1215678826
- William Allen, MDSpecialist1700856218
Verify Gregory Joseph Sieverding in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 26633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
32 Medicare Part D claims for 12 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Onsite Healthcare And Wellness LLCEasley, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Joseph Sieverding among 465 acute care nurse practitioner records in South Carolina
Gregory Joseph Sieverding, ACNPC-AG is one of 465 acute care nurse practitioner records with a practice address in South Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 77% of them.
- NPI issued2022 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2022 · median 2018 among the 344 with a school on file
- Record last updated2023 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
127 acute care nurse practitioner records list a practice address in Columbia
They are 127 of the 11,200 NPPES records with a practice address in Columbia, and 465 acute care nurse practitioner records in South Carolina.
All 465 in South Carolina → Every provider in Columbia → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Joseph Barone, NPColumbia, SC 292041073534855
- Jamie Cunningham, ACNPColumbia, SC 292041255517728
- Deborah Greenlaw, NPColumbia, SC 292041497937916
- Laura Hawsey, NPColumbia, SC 292041568470003
- Maria Hymon, ACNPColumbia, SC 292041790927630
- Alta Jordan, AGACNPColumbia, SC 292041457702144
- Robyn Lorick, APRN, NPColumbia, SC 292041063940690
- Brandon Palmer, ACNPColumbia, SC 292041205134939
Common questions
What is Gregory Joseph Sieverding, ACNPC-AG's NPI number?
Gregory Joseph Sieverding, ACNPC-AG's National Provider Identifier (NPI) is 1376275420, issued on Jun 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Joseph Sieverding, ACNPC-AG located?
The NPPES record lists a practice address at 2435 Forest Dr, Columbia, SC, 29204. Phone: (803) 256-5300. Providers update this record themselves, so call before visiting.
How can I verify Gregory Joseph Sieverding, ACNPC-AG's license?
NPPES lists South Carolina license number 26633, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Joseph Sieverding, ACNPC-AG prescribe under Medicare Part D?
In 2024, Gregory Joseph Sieverding, ACNPC-AG had 32 Medicare Part D claims for 12 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.