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

John Grayson Stewart, MD

Individual provider Radiation Oncology Physician · NPI 1427251412

John Grayson Stewart, MD is a Radiation Oncology in Augusta, Georgia. Graduated from Medical College of Georgia School of Medicine in 2006, 20 years ago. Practices with Radiation Oncology Associates, a 5-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
20
Trained at
Medical College of Georgia School of Medicine
Licensed in
GA
In the registry since
2007
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

821 St Sebastian Way
Augusta, GA 30912-2615
Phone: (706) 721-2971
Fax: (706) 721-1937
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 65901 (GA)

Record details

NPI number1427251412
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2007
Last updated in NPPESOctober 31, 2013
Mailing addressP.O. Box 2825, Augusta, GA 30914-2825

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Radiation Oncology Associates — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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