NPPES file of Aug 9, 2026

I-Hsun Liang, M.D.

Anesthesiology Physician · Waterbury, CT

I-Hsun Liang, M.D. is an anesthesiology physician with a practice address in Waterbury, Connecticut, and NPI 1083925887, issued on Jun 25, 2010. Check the license (Connecticut 51352, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083925887
Name
I-Hsun Liang
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
51352 CT
MD471930 PA
Self-reported in NPPES; status is on the state search
Practice location
64 Robbins St, Waterbury, CT 06708
Phone
(203) 573-6000
Enumerated
Jun 25, 2010
Record last updated
Nov 20, 2023
Medicare enrollment
Enrolled (PECOS I20201019002689); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 797 in Connecticut → Look up another NPI →

Also registered at 64 Robbins St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elijah AdamsPhysician Assistant1598570939
  2. Jennifer Aldrich, PA-CPhysician Assistant1992108757
  3. Muhammad Saad Bin AmjadHospitalist Physician1508247305
  4. Samuel Amoakohene, M.D.Anesthesiology Physician1144632241
  5. Andrea AndersenPhysician Assistant1265921399
  6. Grace AppahStudent in an Organized Health Care Education/Training Program1295562379

Verify I-Hsun Liang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 51352    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 3 group practices

  1. Apollo Medical Group OF Lancaster LLCLancaster, PA
  2. Riverside Anesthesia Associates, LtdHarrisburg, PA
  3. Upmc Pinnacle Anesthesia Services LLCHarrisburg, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

I-Hsun Liang among 797 anesthesiology physician records in Connecticut

I-Hsun Liang, M.D. is one of 797 anesthesiology physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.

  • NPI issued2010 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2009 · median 2006 among the 550 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 anesthesiology physician records list a practice address in Waterbury

They are 32 of the 3,148 NPPES records with a practice address in Waterbury, and 797 anesthesiology physician records in Connecticut.

All 797 in Connecticut → Every provider in Waterbury → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Louis Alosco, M.DWaterbury, CT 067081174570246
  2. Girvice Archer, M.DWaterbury, CT 067081023058724
  3. Christopher Bottino, M.DWaterbury, CT 067081144260290
  4. Raymond Clement, M.DWaterbury, CT 067081114974078
  5. John Dieck, D.O.Waterbury, CT 067081205899226
  6. Salvatore Ferrante, M.DWaterbury, CT 067081720028715
  7. Gregory Fiasconaro, M.DWaterbury, CT 067081972559201
  8. Paul Heller, M.D.Waterbury, CT 067081811970387

Common questions

What is I-Hsun Liang, M.D.'s NPI number?

I-Hsun Liang, M.D.'s National Provider Identifier (NPI) is 1083925887, issued on Jun 25, 2010. An NPI identifies a provider in billing; it is not a license.

Where is I-Hsun Liang, M.D. located?

The NPPES record lists a practice address at 64 Robbins St, Waterbury, CT, 06708. Phone: (203) 573-6000. Providers update this record themselves, so call before visiting.

How can I verify I-Hsun Liang, M.D.'s license?

NPPES lists Connecticut license number 51352, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.