Doctor profile · Federal record

Dr. Benjamin Grudinskas, MD

Anesthesiology Physician (CMS: Anesthesiology) · Manchester, NH

  • NPI 1922006253
  • Accepts Medicare
  • MIPS 76.0 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1 Elliot Way
Manchester, NH 031033502
(603) 669-5300
Additional location
100 Hitchcock Way
Manchester, NH 031044125
(603) 695-2500

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
January 23, 2023
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #231186
Medicaid
NH #30204516

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922006253. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
215
Distinct HCPCS
10
Medicare allowed
$21,364
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 42 41 $89
00812 Anesthesia for exam of colon using an endoscope 34 34 $64
01402 Anesthesia for procedure for total knee joint replacement 26 26 $186
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 18 18 $53
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $86
01214 Anesthesia for total hip replacement 16 16 $271
00813 Anesthesia for procedure on small and large bowel using an endoscope 14 14 $96
76942 Ultrasonic guidance for needle placement 14 14 $30
00400 Anesthesia for other procedure on skin of arms, legs, and front body 12 11 $90
64999 Other procedure on nervous system 12 12 $29

In context: peer comparison

Among 14 peers in Manchester Anesthesiology Physician, average services per provider: 35. This provider delivers 6.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Grudinskas's medical specialty?
Dr. Benjamin Grudinskas practices Anesthesiology Physician in Manchester, NH.
Where does Dr. Benjamin Grudinskas practice?
Dr. Benjamin Grudinskas practices at 1 Elliot Way, Manchester, NH 031033502. Office phone: 6036695300.
What is Dr. Benjamin Grudinskas's NPI?
Dr. Benjamin Grudinskas's National Provider Identifier (NPI) is 1922006253, issued by NPPES.
Does Dr. Benjamin Grudinskas accept Medicare assignment?
Yes. Dr. Benjamin Grudinskas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Grudinskas commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.