DR. GREGORY CLARK HABIG MD
NPI 1477119717
Internal Medicine - Gastroenterology in Charleston, SC
About Dr. Gregory Clark Habig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY CLARK HABIG MD (NPI 1477119717) is an individual gastroenterology provider in Charleston, South Carolina, licensed in South Carolina (93881) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gregory Clark Habig Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Gregory Habig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Charleston, SC 29425
- Reassigned Medicare billing, South Carolina enrollment
- 2,594 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Musc Medical Center
Acute Care Hospitals · Charleston, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29425 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLESTON, SC 29425
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregory Habig's NPI number?
The NPI number for Gregory Habig is 1477119717. It was assigned to this individual provider in the NPPES registry on May 13, 2019.
Where is Gregory Habig located?
Gregory Habig practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.
What is Gregory Habig's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gregory Habig enrolled in Medicare?
Yes. Gregory Habig is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Gregory Habig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Habig reassigns Medicare benefits to University Medical Associates Of The Medical University Of South Carol (Charleston, SC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Habig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Habig accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and First Choice Next list Gregory Habig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Gregory Habig affiliated with any hospitals?
According to CMS data, Gregory Habig is affiliated with Musc Medical Center.
When was this NPI record last updated?
The NPPES record for Gregory Habig was last updated on March 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Gregory Clark Habig, MD · NPI 1477119717
Gastroenterology physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since May 13, 2019.
## Identity
- **NPI:** 1477119717 (Entity type: Individual)
- **Enumerated:** May 13, 2019
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 93881 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 171 ASHLEY AVE, Charleston, SC 29425-4405
- **Phone:** (843) 792-1414
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Medical Associates Of The Medical University Of South Carol (NPI 1013934629, Charleston, SC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 2019
## Record status
- **NPPES last updated:** March 8, 2025
- **Other identifiers:** Other MT217419 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1477119717) · Data from the CMS NPPES public registry.