Doctor profile · Federal record

Dr. Gregory Gardner, D.O.

Pain Medicine (Anesthesiology) Physician (CMS: Anesthesiology) · Anesthesiology Physician · Concord, MA

  • NPI 1801886916
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 Ornac
Concord, MA 017424159
(978) 287-3162
fax (978) 287-3014
Mailing address
2 Lilac Ln
Chelmsford, MA 018243427

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State license (1)
Massachusetts #80837
Medicaid
MA #3137961

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801886916. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
258
Distinct HCPCS
10
Medicare allowed
$35,022
HCPCS Description Services Patients Avg allowed
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 43 43 $73
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 38 37 $66
01402 Anesthesia for procedure for total knee joint replacement 34 32 $201
01630 Anesthesia for other procedure on top of arm bone and shoulder joint 26 26 $123
00910 Anesthesia for other procedure on urinary system through urethra 25 24 $85
01214 Anesthesia for total hip replacement 23 22 $218
01638 Anesthesia for open or endoscopic total shoulder joint replacement 19 19 $228
00790 Anesthesia for other procedure on upper abdomen 17 17 $194
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $76
00797 Anesthesia for procedure on stomach for weight loss 11 11 $242

In context: peer comparison

Among 1 peers in Concord Pain Medicine (Anesthesiology) Physician, average services per provider: 23. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Gardner's medical specialty?
Dr. Gregory Gardner practices Pain Medicine (Anesthesiology) Physician in Concord, MA.
Where does Dr. Gregory Gardner practice?
Dr. Gregory Gardner practices at 133 Ornac, Concord, MA 017424159. Office phone: 9782873162.
What is Dr. Gregory Gardner's NPI?
Dr. Gregory Gardner's National Provider Identifier (NPI) is 1801886916, issued by NPPES.
Does Dr. Gregory Gardner accept Medicare assignment?
Yes. Dr. Gregory Gardner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Gardner commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.