MARION REYNOLDS MCMILLAN III MD
NPI 1427037167
Pain Medicine - Interventional Pain Medicine in Florence, SC
About Marion Reynolds Mcmillan Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARION REYNOLDS MCMILLAN III MD (NPI 1427037167) is an individual interventional pain medicine provider in Florence, South Carolina, licensed in South Carolina (15608) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Self Regional Healthcare, and is a graduate of Tufts University School Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses 4
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
Marion Reynolds Mcmillan Iii 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
4Medicare enrollment records show Marion Mcmillan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Florence, SC 29506
- Reassigned Medicare billing, South Carolina enrollment
- 878 clinicians in this Medicare group
Hartwell, GA 30643
- Reassigned Medicare billing, Georgia enrollment
- 24 clinicians in this Medicare group
Seneca, SC 29678
- Reassigned Medicare billing, South Carolina enrollment
- 2 clinicians in this Medicare group
Seneca, SC 29678
- Reassigned Medicare billing, South Carolina enrollment
- 8 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Self Regional Healthcare
Acute Care Hospitals · Greenwood, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29506 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Marion Mcmillan's NPI number?
The NPI number for Marion Mcmillan is 1427037167. It was assigned to this individual provider in the NPPES registry on January 11, 2006.
Where is Marion Mcmillan located?
Marion Mcmillan practices at 1204 East Cheves Street, Florence, Sc 29506-2710, Florence, SC 29506. The listed phone number is (843) 777-7010.
What is Marion Mcmillan's specialty?
The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.
Is Marion Mcmillan enrolled in Medicare?
Yes. Marion Mcmillan 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 Marion Mcmillan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marion Mcmillan reassigns Medicare benefits to 4 organizations: Mcleod Physician Associates II (Florence, SC), Stephens County Hospital Physician Group, LLC (Hartwell, GA), Synergy Physician Group, PA (Seneca, SC) and Synergy Spine Center, PA (Seneca, 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 Marion Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marion Mcmillan accept?
Health plans from Molina Healthcare list Marion Mcmillan 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 Marion Mcmillan affiliated with any hospitals?
According to CMS data, Marion Mcmillan is affiliated with Self Regional Healthcare.
When was this NPI record last updated?
The NPPES record for Marion Mcmillan was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.