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

Dr. Sandra Lynn Gregory, MD

Individual provider Radiation Oncology Physician · NPI 1376503128

Dr. Sandra Lynn Gregory, MD is a Radiation Oncology in Atlanta, Georgia. Qualified in 1990, 36 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Georgia and Wisconsin.

Years since qualifying
36
Licensed in
GA, WI
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.

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Practice location Address checks out

1800 Howell Mill Rd NW Ste LL10
Atlanta, GA 30318-2593
Phone: (404) 425-7900
Show map & directions

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

Additional practice locations (2)

  • 3330 Preston Ridge Rd Ste 100, Alpharetta, GA 30005-4509 — (770) 255-7500
  • 3301 Broadway St, Quincy, IL 62301-3713 — (217) 222-6550

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 057368 (GA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 13630-320 (WI)

Record details

NPI number1376503128
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESJune 10, 2026
Certification dateJune 10, 2026
Mailing address3330 Preston Ridge Rd, Suite 300, Alpharetta, GA 30005-4508

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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