Doctor profile · Federal record

Dr. Gregory Kirby, MD

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1275065153
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit Street, Grj4-402
Boston, MA 021142621
(617) 963-4646

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
June 11, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #292024

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275065153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
189
Distinct HCPCS
9
Medicare allowed
$28,815
HCPCS Description Services Patients Avg allowed
93313 Insertion of probe in esophagus for heart ultrasound 38 38 $12
00410 Anesthesia for procedure to correct abnormal heart rhythm 31 30 $113
00537 Anesthesia for procedure to assess heart electrical activity 26 26 $285
36620 Insertion of artery tube for blood sampling or infusion through skin 26 25 $46
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 17 17 $144
00560 Anesthesia for procedure on heart and large blood vessels 14 14 $537
01926 Anesthesia for x-ray on artery of brain, heart, or chest 13 13 $275
76937 Ultrasonic guidance for blood vessel access 13 13 $15
01922 Anesthesia for x-ray or radiation therapy 11 11 $231

In context: peer comparison

Among 267 peers in Boston Anesthesiology Physician, average services per provider: 32. This provider delivers 5.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Kirby's medical specialty?
Dr. Gregory Kirby practices Anesthesiology Physician in Boston, MA.
Where does Dr. Gregory Kirby practice?
Dr. Gregory Kirby practices at 55 Fruit Street, Boston, MA 021142621. Office phone: 6179634646.
What is Dr. Gregory Kirby's NPI?
Dr. Gregory Kirby's National Provider Identifier (NPI) is 1275065153, issued by NPPES.
Does Dr. Gregory Kirby accept Medicare assignment?
Yes. Dr. Gregory Kirby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Kirby commonly perform?
Top Medicare-reported procedures in 2023: Insertion of probe in esophagus for heart ultrasound (HCPCS 93313); Anesthesia for procedure to correct abnormal heart rhythm (HCPCS 00410); Anesthesia for procedure to assess heart electrical activity (HCPCS 00537). Source: CMS Medicare Physician & Other Practitioners file.