Doctor profile · Federal record

Dr. Gregory Mitchon, MD

Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · Pharmacist · Anesthesiology Physician · Worcester, MA

  • NPI 1902174766
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 11 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3271
fax (508) 856-5911
Additional location
925 Seneca St
Seattle, WA 981012742
(206) 583-6079
Additional location
1211 Medical Center Dr
Nashville, TN 37232
(615) 322-5000
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
December 2011 — 15 yrs on file
Profile last updated
December 8, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (3)
Massachusetts #282487 · Texas #50033 · Washington #ML60558709
Medicaid
MA #110159667A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902174766. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
7
Medicare allowed
$37,885
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 74 26 $216
36620 Insertion of artery tube for blood sampling or infusion through skin 40 39 $44
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 17 $81
76937 Ultrasonic guidance for blood vessel access 38 31 $14
01926 Anesthesia for x-ray on artery of brain, heart, or chest 26 25 $503
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 18 $106
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 17 17 $85

In context: peer comparison

Among 60 peers in Worcester Anesthesiology Physician, average services per provider: 33. This provider delivers 7.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Mitchon's medical specialty?
Dr. Gregory Mitchon practices Anesthesiology Physician in Worcester, MA.
Where does Dr. Gregory Mitchon practice?
Dr. Gregory Mitchon practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343271.
What is Dr. Gregory Mitchon's NPI?
Dr. Gregory Mitchon's National Provider Identifier (NPI) is 1902174766, issued by NPPES.
Does Dr. Gregory Mitchon accept Medicare assignment?
Yes. Dr. Gregory Mitchon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Mitchon commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.