NPPES file of Aug 9, 2026

Gretchen Lee Hahn, CNM

Advanced Practice Midwife · Charleston, SC

Gretchen Lee Hahn, CNM is an advanced practice midwife with a practice address in Charleston, South Carolina, and NPI 1245284926, issued on May 19, 2006. Check the license (South Carolina 2815, 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
1245284926
Name
Gretchen Lee Hahn
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
2815 SC
Self-reported in NPPES; status is on the state search
Practice location
171 Ashley Ave, Charleston, SC 29425
Phone
(843) 792-1414
Enumerated
May 19, 2006
Record last updated
Oct 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
MW0158 SC
Medicare enrollment
Enrolled (PECOS I20060217000172); 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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8 nearest advanced practice midwife records → All 119 in South Carolina → Look up another NPI →

Also registered at 171 Ashley Ave

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

  1. Andrea Abbott, MDSurgical Oncology Physician1245473354
  2. Miguel Abboud, MDPediatric Hematology & Oncology Physician1619292851
  3. Ahmed Abdelkader, MD, PHDNephrology Physician1629743000
  4. Mohamed Abdelwahab, MDOtolaryngology Physician1528679768
  5. Anne Abel, MDChild Abuse Pediatrics Physician1043328990
  6. Christina Abrams, M.D.Pediatric Hematology & Oncology Physician1376920207

Verify Gretchen Lee Hahn 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 2815    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. University Medical Associates OF The Medical University OF South CarolCharleston, SC

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

Gretchen Lee Hahn among 119 advanced practice midwife records in South Carolina

Gretchen Lee Hahn, CNM is one of 119 advanced practice midwife records with a practice address in South Carolina. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 67% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2006 · median 2014 among the 39 with a school on file
  • Record last updated2020 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Practice Midwife providers in South Carolina

There are 119 advanced practice midwife records in South Carolina.

All 119 in South Carolina → Every provider in Charleston → Advanced Practice Midwife nationwide →

The 8 advanced practice midwife records with the nearest ZIP codes

  1. Jeanne Barreira, CNMCharleston, SC 294251003921578
  2. Sharon Bond, CNMCharleston, SC 294251982719423
  3. Elizabeth Brand, CNMCharleston, SC 294251588779045
  4. Leonora Horton, CNMCharleston, SC 294251437265832
  5. Faye Leboeuf, CNMCharleston, SC 294251073629465
  6. Laurie Morgan, CNMCharleston, SC 294251134239023
  7. Pamela Murphy, CNMCharleston, SC 294251831204395
  8. Allison Nissen, CNMCharleston, SC 294251528211224

Common questions

What is Gretchen Lee Hahn, CNM's NPI number?

Gretchen Lee Hahn, CNM's National Provider Identifier (NPI) is 1245284926, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Lee Hahn, CNM located?

The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Lee Hahn, CNM's license?

NPPES lists South Carolina license number 2815, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.