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

Diana Alma Santiago, MD

Individual provider Specialist · NPI 1073552196

Diana Alma Santiago, MD is a Radiation Oncology in Newnan, Georgia. Graduated from Medical University of South Carolina College of Medicine in 1992, 34 years ago. Practices with Therapeutic Radiation Oncology, PC, an 8-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
34
Trained at
Medical University of South Carolina College of Medicine
Licensed in
GA
In the registry since
2006
Specialties on file
2
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

745 Poplar Rd
Newnan, GA 30265-1618
Phone: (770) 400-4700
Fax: (770) 400-4096
Show map & directions

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

Additional practice locations (1)

  • 1255 Highway 54 W, Fayetteville, GA 30214-4526 — (770) 719-5850

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 42421 (GA)
Specialist Taxonomy 174400000X · Licence 42421 (GA)

Record details

NPI number1073552196
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESDecember 27, 2021
Certification dateDecember 27, 2021

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 1992 (34 years in practice)
Group practice Therapeutic Radiation Oncology, Pc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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