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

Individual provider Radiation Oncology Physician · NPI 1437123288

Margaret T Macdowell, MD is a Radiation Oncology in Charleston, South Carolina. Graduated from Medical University of South Carolina College of Medicine in 1989, 37 years ago. Practices with Coastal Carolina Multispecialty Associates LLC, a 48-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
37
Trained at
Medical University of South Carolina College of Medicine
Licensed in
SC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9330 Medical Plaza Dr
Charleston, SC 29406-9104
Phone: (843) 847-4571
Fax: (843) 847-4050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 15033 (SC)

Record details

NPI number1437123288
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2006
Last updated in NPPESOctober 10, 2007

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Coastal Carolina Multispecialty Associates Llc — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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