MARK J SEGAL MD
NPI 1396785267
Anesthesiology in Charleston, SC
About Mark J Segal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK J SEGAL MD (NPI 1396785267) is an individual anesthesiology provider in Charleston, South Carolina, licensed in South Carolina (19043) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Mark J Segal 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 Reassignments
3Medicare enrollment records show Mark Segal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charleston, SC 29401
- Reassigned Medicare billing, South Carolina enrollment
- 19 clinicians in this Medicare group
Charleston, SC 29407
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Anesthesia Associates Of Charleston PA
- 133 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 29403
CHARLESTON, SC 29403
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 Mark Segal's NPI number?
The NPI number for Mark Segal is 1396785267. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Mark Segal located?
Mark Segal practices at 125 Doughty St Ste 420, Charleston, SC 29403. The listed phone number is (843) 723-3441.
What is Mark Segal's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Segal enrolled in Medicare?
Yes. Mark Segal 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 organizations bill Medicare for Mark Segal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Segal reassigns Medicare benefits to 3 organizations: Anesthesia Services Of Charleston (Charleston, SC), Anesthesia Associates Of Charleston, P.A. (Charleston, SC) and Mark J Segal MD LLC (Charleston, SC). Each 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 Mark Segal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Segal was last updated on July 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.
# Mark J Segal, MD · NPI 1396785267
Anesthesiology physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1396785267 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 19043 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 DOUGHTY ST, STE 420, Charleston, SC 29403
- **Phone:** (843) 723-3441 · **Fax:** (843) 805-4040
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Anesthesia Services Of Charleston (NPI 1730258997, Charleston, SC); Anesthesia Associates Of Charleston, P.A. (NPI 1396776670, Charleston, SC); Mark J Segal MD LLC (NPI 1073066932, Charleston, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine, class of 1986
## Record status
- **NPPES last updated:** July 22, 2016
- **Other identifiers:** Medicare UPIN F09193; Medicaid 190439 (SC); Medicare PIN F091931459 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1396785267) · Data from the CMS NPPES public registry.