NPPES file of Aug 9, 2026

Gregory Clark Habig, MD

Gastroenterology Physician · Charleston, SC

Gregory Clark Habig, MD is a gastroenterology physician with a practice address in Charleston, South Carolina, and NPI 1477119717, issued on May 13, 2019. Check the license (South Carolina 93881, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477119717
Name
Gregory Clark Habig
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
93881 SC
MT217419 PA
Self-reported in NPPES; status is on the state search
Practice location
171 Ashley Ave, Charleston, SC 29425
Phone
(843) 792-1414
Enumerated
May 13, 2019
Record last updated
Mar 8, 2025
Medicare enrollment
Enrolled (PECOS I20250401001561); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2019
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 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 Gregory Clark Habig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 93881
    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
Open the South Carolina license search

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97% fewer Medicare Part D claims than the average gastroenterology physician in 2024

21 Medicare Part D claims for 13 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Gregory Habig21
  2. Specialty average811

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.

Industry payments in 2024: $53.42

2 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Habig$53.42
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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).

Gregory Clark Habig among 303 gastroenterology physician records in South Carolina

Gregory Clark Habig, MD is one of 303 gastroenterology physician records with a practice address in South Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 95% of them.

  • NPI issued2019 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2019 · median 2005 among the 217 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in South Carolina

There are 303 gastroenterology physician records in South Carolina.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Amit Agrawal, MDCharleston, SC 294251003906017
  2. Andrew Brock, M.D.Charleston, SC 294251346264959
  3. Fred Brown, MDCharleston, SC 294251316055262
  4. Peter Cotton, MDCharleston, SC 294251891803748
  5. Todd Dantzler, M.D.Charleston, SC 294251811975923
  6. Mark Delegge, MDCharleston, SC 294251962510917
  7. Darin Dufault, M.D.Charleston, SC 294251972824787
  8. Puja Elias, M.D.Charleston, SC 294251780824755

Common questions

What is Gregory Clark Habig, MD's NPI number?

Gregory Clark Habig, MD's National Provider Identifier (NPI) is 1477119717, issued on May 13, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Clark Habig, MD 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 Gregory Clark Habig, MD's license?

NPPES lists South Carolina license number 93881, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Clark Habig, MD prescribe under Medicare Part D?

In 2024, Gregory Clark Habig, MD had 21 Medicare Part D claims for 13 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.