MR. MARCUS E BLACKSTONE MD
NPI 1366453458
Internal Medicine in Simpsonville, SC
About Mr. Marcus E Blackstone Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARCUS E BLACKSTONE MD (NPI 1366453458) is an individual internal medicine provider in Simpsonville, South Carolina, licensed in South Carolina (18747) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Marcus E Blackstone Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marcus Blackstone reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Simpsonville, SC 29681
- Reassigned Medicare billing, South Carolina enrollment
- 248 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29681 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 5
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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marcus Blackstone's NPI number?
The NPI number for Marcus Blackstone is 1366453458. It was assigned to this individual provider in the NPPES registry on August 11, 2006.
Where is Marcus Blackstone located?
Marcus Blackstone practices at 404 SE Main St, Simpsonville, SC 29681. The listed phone number is (864) 963-8002.
What is Marcus Blackstone's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marcus Blackstone enrolled in Medicare?
Yes. Marcus Blackstone is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marcus Blackstone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Blackstone reassigns Medicare benefits to St Francis Physician Services Inc (Simpsonville, 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 Marcus Blackstone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcus Blackstone accept?
Health plans from First Choice Next list Marcus Blackstone 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.
When was this NPI record last updated?
The NPPES record for Marcus Blackstone was last updated on June 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.