Doctor profile · Federal record

Dr. Allan Grunberg, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Washington Depot, CT

  • NPI 1841217759
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Hifield Dr
Washington Depot, CT 067941114
(860) 868-1882
Mailing address
Po Box 305
Washington Depot, CT 067940305

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 2, 2020
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Connecticut #040375

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841217759. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
480
Distinct HCPCS
4
Medicare allowed
$35,685
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 243 241 $70
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 96 89 $75
00813 Anesthesia for procedure on small and large bowel using an endoscope 79 78 $95
00812 Anesthesia for exam of colon using an endoscope 62 61 $64

In context: peer comparison

Among 1 peers in this city , average services per provider: 120. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$786
Transactions
34
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 5 $116.12
Takeda Pharmaceuticals U.S.A., Inc. 5 $104.12
Celgene Corporation 4 $87.94
Janssen Biotech, Inc. 3 $67.49
Ardelyx, Inc. 3 $67.39
QOL Medical, LLC 2 $65.85
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $62.86
Lilly USA, LLC 2 $47.27
GENZYME CORPORATION 2 $47.18
Celltrion USA Inc. 2 $42.50
Intercept Pharmaceuticals, Inc. 1 $29.07
Phathom Pharmaceuticals, Inc. 1 $28.58
Ferring Pharmaceuticals Inc. 1 $20.01

By nature of payment

Food and Beverage
$744
Education
$43

Frequently asked questions

Auto-generated from federal data
What is Dr. Allan Grunberg's medical specialty?
Dr. Allan Grunberg practices Anesthesiology Physician in Washington Depot, CT.
Where does Dr. Allan Grunberg practice?
Dr. Allan Grunberg practices at 40 Hifield Dr, Washington Depot, CT 067941114. Office phone: 8608681882.
What is Dr. Allan Grunberg's NPI?
Dr. Allan Grunberg's National Provider Identifier (NPI) is 1841217759, issued by NPPES.
Does Dr. Allan Grunberg accept Medicare assignment?
Yes. Dr. Allan Grunberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allan Grunberg commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.