Doctor profile · Federal record

Dr. I-Hsun Liang, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Internal Medicine Physician · Waterbury, CT

  • NPI 1083925887
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
64 Robbins St
Waterbury, CT 067082613
(203) 573-6000
Additional location
896 Middlebury RD Ste 100
Middlebury, CT 067622403
Mailing address
896 Middlebury RD Ste 100
Middlebury, CT 067622403

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
November 20, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Connecticut #51352 · Pennsylvania #MD471930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083925887. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
126
Distinct HCPCS
6
Medicare allowed
$14,140
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 43 43 $106
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 28 28 $126
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $115
00812 Anesthesia for exam of colon using an endoscope 15 15 $78
00811 Anesthesia for other procedure on large bowel using an endoscope 13 13 $121
00103 Anesthesia for procedure on eyelid 11 11 $135

In context: peer comparison

Among 10 peers in this city , average services per provider: 23. This provider delivers 5.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. I-Hsun Liang's medical specialty?
Dr. I-Hsun Liang practices Anesthesiology Physician in Waterbury, CT.
Where does Dr. I-Hsun Liang practice?
Dr. I-Hsun Liang practices at 64 Robbins St, Waterbury, CT 067082613. Office phone: 2035736000.
What is Dr. I-Hsun Liang's NPI?
Dr. I-Hsun Liang's National Provider Identifier (NPI) is 1083925887, issued by NPPES.
Does Dr. I-Hsun Liang accept Medicare assignment?
Yes. Dr. I-Hsun Liang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. I-Hsun Liang commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.