John BarrettMD
Radiation Oncology·Augusta, GA
John Barrett, MD is a Radiation Oncology provider in Augusta, GA, as of July 2026.
- NPI1568571537
- Registered2006
- Class of1985
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Barrett at a glance
- Provider
- John Barrett
- Credential
- MD
- Specialty
- Radiation Oncology
- Location
- Augusta, GA
- Medical school
- University of South Carolina School of Medicine
- Graduated
- 1985
- NPI registered
- 2006
- NPI
- 1568571537
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does John Barrett practice?
John Barrett, MD is based in Augusta, GA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Barrett's NPI number?
John Barrett's National Provider Identifier (NPI) is 1568571537, registered in 2006. Specialty on record: Radiation Oncology; credential MD.
Where did John Barrett go to medical school?
John Barrett, MD attended University of South Carolina School of Medicine, graduating in 1985.
How many Radiation Oncology providers in Georgia work at ambulatory surgery centers?
18 Radiation Oncology surgeons and proceduralists in Georgia are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Barrett among them. The Georgia Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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