Doctor profile · Federal record

Dr. Yang Liu, M.D.

Gastroenterology Physician · Internal Medicine Physician · Gastroenterology Physician · Student in an Organized Health Care Education/Training Program · Monterey Park, CA

  • NPI 1033430913
  • 16 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
120 W Hellman Ave Ste 201
Monterey Park, CA 917541209
(626) 280-3003

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
January 21, 2024
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
California #173853 · Virginia #0101250846

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033430913. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
217
Distinct HCPCS
6
Medicare allowed
$31,595
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 43 43 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 43 38 $98
45380 Biopsy of large bowel using a flexible endoscope 42 42 $122
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 39 39 $265
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 32 31 $106
45378 Diagnostic exam of large bowel using a flexible endoscope 18 18 $182

In context: peer comparison

Among 5 peers in this city , average services per provider: 125. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,610
Transactions
27
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, Inc. 15 $615.96
ABBVIE INC. 3 $267.23
Ardelyx, Inc. 3 $202.61
Madrigal Pharmaceuticals 3 $187.46
E.R. Squibb & Sons, L.L.C. 1 $163.19
STERIS CORPORATION 1 $141.55
Takeda Pharmaceuticals U.S.A., Inc. 1 $31.67

By nature of payment

Food and Beverage
$1,610

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
329
Patients
230
Total drug cost
$25,480
Drug Type Claims Patients Total cost
Omeprazole Generic 120 72 $1,457
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 70 67 $1,703
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 24 24 $469
Pantoprazole Sodium Generic 21 13 $302
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 19 19 $365
Mesalamine Generic 15 0 $20,254
Nortriptyline Hcl Generic 14 0 $308
Doxycycline Hyclate Generic 12 12 $143
Metronidazole Generic 12 12 $155
Amoxicillin Generic 11 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Yang Liu's medical specialty?
Dr. Yang Liu practices Gastroenterology Physician in Monterey Park, CA.
Where does Dr. Yang Liu practice?
Dr. Yang Liu practices at 120 W Hellman Ave Ste 201, Monterey Park, CA 917541209. Office phone: 6262803003.
What is Dr. Yang Liu's NPI?
Dr. Yang Liu's National Provider Identifier (NPI) is 1033430913, issued by NPPES.
What procedures does Dr. Yang Liu commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.