MARK A STELLINGWORTH MD
NPI 1003000936
Internal Medicine - Cardiovascular Disease in Hartsville, SC
About Mark A Stellingworth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A STELLINGWORTH MD (NPI 1003000936) is an individual cardiovascular disease provider in Hartsville, South Carolina, licensed in South Carolina (36377) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Carolina Pines Regional Medical Center, and maintains a secondary practice location in Columbia.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 3
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
Mark A Stellingworth 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 Stellingworth reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartsville, SC 29550
- Reassigned Medicare billing, South Carolina enrollment
- 116 clinicians in this Medicare group
Sumter, SC 29150
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Prisma Health Medical Group-Midlands
- 1,466 clinicians in this Medicare group
Sumter, SC 29150
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Prisma Health-Midlands
- 373 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.
Areas of Expertise CMS Part B claims 24
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carolina Pines Regional Medical Center
Acute Care Hospitals · Hartsville, SCMcleod Regional Medical Center-Pee Dee
Acute Care Hospitals · Florence, SCMusc Health Florence Medical Center
Acute Care Hospitals · Florence, SCMcleod Health Cheraw
Acute Care Hospitals · Cheraw, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARTSVILLE, SC 29550
HARTSVILLE, SC 29550
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 Stellingworth's NPI number?
The NPI number for Mark Stellingworth is 1003000936. It was assigned to this individual provider in the NPPES registry on September 4, 2007.
Where is Mark Stellingworth located?
Mark Stellingworth practices at 701 Medical Park Dr Ste 301, Hartsville, SC 29550. The listed phone number is (843) 383-5978.
What is Mark Stellingworth's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Mark Stellingworth enrolled in Medicare?
Yes. Mark Stellingworth 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 Stellingworth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Stellingworth reassigns Medicare benefits to 3 organizations: Hartsville Medical Group LLC (Hartsville, SC), Palmetto Health - University Of South Carolina Medical Group (Sumter, SC) and Palmetto Health (Sumter, 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 Stellingworth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Stellingworth accept?
Health plans from Ambetter from Absolute Total Care and Ambetter of North Carolina list Mark Stellingworth 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 Mark Stellingworth affiliated with any hospitals?
According to CMS data, Mark Stellingworth is affiliated with Carolina Pines Regional Medical Center, Mcleod Regional Medical Center-Pee Dee, Musc Health Florence Medical Center and Mcleod Health Cheraw.
When was this NPI record last updated?
The NPPES record for Mark Stellingworth was last updated on June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.