NPPES file of Aug 9, 2026

Gretchen Anne Overstolz, FNP

Family Nurse Practitioner · North Charleston, SC

Gretchen Anne Overstolz, FNP is a family nurse practitioner with a practice address in North Charleston, South Carolina, and NPI 1215291067, issued on Jun 26, 2012. Check the license (South Carolina 3749, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215291067
Name
Gretchen Anne Overstolz
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
3749 SC
Self-reported in NPPES; status is on the state search
Practice location
4400 Dorchester RD, North Charleston, SC 29405
Phone
(843) 278-8291
Enumerated
Jun 26, 2012
Record last updated
Feb 16, 2025
Medicare enrollment
Enrolled (PECOS I20140203001701); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4400 Dorchester RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Benjamin Anders, D.D.S., M.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1841648524
  2. James Camp, RPHPharmacist1578811394
  3. Matthew Castele, DMDDental Anesthesiology1891135968
  4. Andrew Ferrillo, RPHPharmacist1760820468
  5. Ashlee Franklin, D.D.S.General Practice Dentistry1952681702
  6. Colleen HassellPharmacist1780321596

Verify Gretchen Anne Overstolz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 3749
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Oak Street Health Physicians Group OF South Carolina LLCCharleston, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gretchen Anne Overstolz among 4,320 family nurse practitioner records in South Carolina

Gretchen Anne Overstolz, FNP is one of 4,320 family nurse practitioner records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 19% of them.

  • NPI issued2012 · 19% of these records are older, 78% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1999 · median 2018 among the 2,643 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 family nurse practitioner records list a practice address in North Charleston

They are 55 of the 1,964 NPPES records with a practice address in North Charleston, and 4,320 family nurse practitioner records in South Carolina.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Lara Alicea, FNP-CNorth Charleston, SC 294051538624705
  2. Hannah DweikatNorth Charleston, SC 294051114515095
  3. Shannon Gainey, FNPNorth Charleston, SC 294051780914051
  4. Ann Hassell, MSN, FNP-BCNorth Charleston, SC 294051487373536
  5. Lori Infinger, FNPNorth Charleston, SC 294051245233444
  6. Suzan Kleckley, ANPNorth Charleston, SC 294051649247685
  7. Seth Osenkarski, MSN, APRN, FNP-BCCharleston, SC 294051649819608
  8. Caitlin Paris, FNP-CNorth Charleston, SC 294051245995067

Common questions

What is Gretchen Anne Overstolz, FNP's NPI number?

Gretchen Anne Overstolz, FNP's National Provider Identifier (NPI) is 1215291067, issued on Jun 26, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Anne Overstolz, FNP located?

The NPPES record lists a practice address at 4400 Dorchester RD, North Charleston, SC, 29405. Phone: (843) 278-8291. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Anne Overstolz, FNP's license?

NPPES lists South Carolina license number 3749, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity 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.