Doctor profile · Federal record

Dr. Sandra Gregory, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Alpharetta, GA

  • NPI 1376503128
  • Accepts Medicare
  • MIPS 94.2 / 100 · 2023
  • 36 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3330 Preston Ridge RD Ste 100
Alpharetta, GA 300054509
(770) 255-7500
fax (770) 255-7501
Additional location
3301 Broadway St
Quincy, IL 623013713
(217) 222-6550
Mailing address
3330 Preston Ridge RD, Suite 300
Alpharetta, GA 300054508

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 30, 2026
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
Georgia #057368 · Wisconsin #13630-320
Medicaid
GA #314129659C

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376503128. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,056
Distinct HCPCS
10
Medicare allowed
$76,782
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 662 51 $43
77427 Radiation treatment management, 5 treatment sessions 125 40 $187
77300 Calculation of radiation therapy dose 78 22 $33
77334 Design and construction of complex radiation treatment device 72 36 $60
77263 Complex radiation therapy planning 23 22 $168
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 21 18 $38
77338 Design and construction of radiation treatment device for high precision radiation therapy 19 14 $223
99213 Established patient office or other outpatient visit, 20-29 minutes 17 15 $65
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $131
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 13 13 $82

In context: peer comparison

Among 1 peers in Alpharetta Radiation Oncology Physician, average services per provider: 96. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Gregory's medical specialty?
Dr. Sandra Gregory practices Radiation Oncology Physician in Alpharetta, GA.
Where does Dr. Sandra Gregory practice?
Dr. Sandra Gregory practices at 3330 Preston Ridge RD Ste 100, Alpharetta, GA 300054509. Office phone: 7702557500.
What is Dr. Sandra Gregory's NPI?
Dr. Sandra Gregory's National Provider Identifier (NPI) is 1376503128, issued by NPPES.
Does Dr. Sandra Gregory accept Medicare assignment?
Yes. Dr. Sandra Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Gregory commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.