Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marion Reynolds McMillan III, MD

Individual provider Neurological Surgery Physician · NPI 1427037167

Marion Reynolds McMillan III, MD is an Anesthesiology in Seneca, South Carolina. Graduated from Tufts University School of Medicine in 1980, 46 years ago. Accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
46
Trained at
Tufts University School of Medicine
Licensed in
SC
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

457 E By Pass 123
Seneca, SC 29678
Phone: (864) 886-9888
Fax: (864) 886-9777
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Pain Medicine Physician (primary) Taxonomy 208VP0014X · Licence 15608 (SC)
Neurological Surgery Physician Taxonomy 207T00000X · Licence 15608 (SC)
Surgery Physician Taxonomy 208600000X · Licence 15608 (SC)
Anesthesiology Physician Taxonomy 207L00000X · Licence 15608 (SC)

Record details

NPI number1427037167
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 11, 2006
Last updated in NPPESMarch 29, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Also practisesINTERNAL MEDICINE, INTERVENTIONAL PAIN MANAGEMENT
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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