Doctor profile · Federal record

Dr. Leah O'Callaghan, C-AA

Anesthesiologist Assistant (CMS: Anesthesiology Assistant) · Anesthesiologist Assistant · Atlanta, GA

  • NPI 1184115453
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 7 locations .

NPPES Updated May 11, 2026
Primary practice
1968 Peachtree RD Nw
Atlanta, GA 303091281
(678) 216-0771
Additional location
1255 Highway 54 W
Fayetteville, GA 302144526
(404) 351-1745
Additional location
1364 Clifton RD Ne
Atlanta, GA 303221059
(404) 778-3900
Show 4 more locations
Additional location
1800 Howell Mill RD Nw Ste 250
Atlanta, GA 303182593
(404) 537-4910
Additional location
5665 Peachtree Dunwoody RD
Atlanta, GA 303421764
(678) 843-7001
Additional location
745 Poplar RD
Newnan, GA 302651618
(770) 400-1000
Additional location
775 Poplar RD Ste Ll20
Newnan, GA 302658306
(770) 253-1912
Mailing address
1364 Clifton RD Ne
Atlanta, GA 303221059

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
February 11, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367H00000X — NUCC code
State license (1)
Georgia #8835

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184115453. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
2
Medicare allowed
$2,846
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 22 22 $82
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $70

In context: peer comparison

Among 139 peers in this city , average services per provider: 20. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Leah O'Callaghan's medical specialty?
Dr. Leah O'Callaghan practices Anesthesiologist Assistant in Atlanta, GA.
Where does Dr. Leah O'Callaghan practice?
Dr. Leah O'Callaghan practices at 1968 Peachtree RD Nw, Atlanta, GA 303091281. Office phone: 6782160771.
What is Dr. Leah O'Callaghan's NPI?
Dr. Leah O'Callaghan's National Provider Identifier (NPI) is 1184115453, issued by NPPES.
Does Dr. Leah O'Callaghan accept Medicare assignment?
Yes. Dr. Leah O'Callaghan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leah O'Callaghan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.