Doctor profile · Federal record

Dr. Xiang Liu, MD

Gastroenterology Physician (CMS: Gastroenterology) · Middletown, CT

  • NPI 1881185718
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
410 Saybrook RD Ste 201
Middletown, CT 064574777
(860) 347-4620

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
September 2, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #73345

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881185718. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$707
Transactions
25
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 3 $168.98
Janssen Biotech, INC. 3 $141.76
Intercept Pharmaceuticals, INC. 3 $69.86
Abbvie INC. 4 $69.03
Takeda Pharmaceuticals U.S.A., INC. 2 $43.57
Ironwood Pharmaceuticals, INC 2 $43.15
Celgene Corporation 2 $39.76
Orphalan INC 1 $33.12
Qol Medical, LLC 1 $26.62
Phathom Pharmaceuticals, INC. 1 $18.76
Gilead Sciences, INC. 1 $17.89
Lilly USA, LLC 1 $17.45
Exact Sciences Corporation 1 $16.77

By nature of payment

Food and Beverage
$608
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
11
Total drug cost
$19,765
Drug Type Claims Patients Total cost
Famotidine Generic 31 0 $476
Pantoprazole Sodium Generic 27 0 $441
Omeprazole Generic 23 0 $689
Linzess (Linaclotide) Brand 16 0 $17,928
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 12 11 $230

Frequently asked questions

Auto-generated from federal data
What is Dr. Xiang Liu's medical specialty?
Dr. Xiang Liu practices Gastroenterology Physician in Middletown, CT.
Where does Dr. Xiang Liu practice?
Dr. Xiang Liu practices at 410 Saybrook RD Ste 201, Middletown, CT 064574777. Office phone: 8603474620.
What is Dr. Xiang Liu's NPI?
Dr. Xiang Liu's National Provider Identifier (NPI) is 1881185718, issued by NPPES.
Does Dr. Xiang Liu accept Medicare assignment?
Yes. Dr. Xiang Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.