Doctor profile · Federal record

Dr. Kwok Leung Chung, M.D.

Gastroenterology Physician · Monterey Park, CA

  • NPI 1760490627
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 N Garfield Ave, #300
Monterey Park, CA 917541166
(626) 307-0828
fax (626) 307-0980

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 10, 2015
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #G49584
Medicaid (2)
CA #00G495840 · CA #00G495841

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760490627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,650
Distinct HCPCS
9
Medicare allowed
$188,689
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 405 306 $98
99442 Telephone medical discussion with physician, 11-20 minutes 320 289 $98
45380 Biopsy of large bowel using a flexible endoscope 205 205 $190
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 177 175 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 172 163 $138
99204 New patient office or other outpatient visit, 45-59 minutes 170 170 $180
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 164 163 $6
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $265
45381 Injection beneath lining of large bowel using a flexible endoscope 12 12 $17

In context: peer comparison

Among 5 peers in this city , average services per provider: 125. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,146
Transactions
50
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 16 $301.86
Ardelyx, Inc. 10 $256.24
ABBVIE INC. 5 $118.94
IRONWOOD PHARMACEUTICALS, INC 4 $98.22
AIMMUNE THERAPEUTICS, INC. 3 $85.87
Madrigal Pharmaceuticals 3 $77.30
Phathom Pharmaceuticals, Inc. 3 $71.61
Boston Scientific Corporation 2 $50.15
VIVUS LLC 2 $42.95
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $42.44

By nature of payment

Food and Beverage
$1,146

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,900
Patients
1,434
Total drug cost
$1,929,771
Drug Type Claims Patients Total cost
Omeprazole Generic 724 280 $14,972
Famotidine Generic 553 228 $13,659
Vemlidy (Tenofovir Alafenamide) Brand 546 58 $807,442
Creon (Lipase/Protease/Amylase) Brand 423 108 $672,481
Dexlansoprazole Dr (Dexlansoprazole) Brand 293 64 $108,013
Pantoprazole Sodium Generic 265 94 $3,744
Linzess (Linaclotide) Brand 262 75 $227,596
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 228 219 $4,290
Dicyclomine Hcl Generic 120 53 $3,154
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 114 111 $9,204

Frequently asked questions

Auto-generated from federal data
What is Dr. Kwok Leung Chung's medical specialty?
Dr. Kwok Leung Chung practices Gastroenterology Physician in Monterey Park, CA.
Where does Dr. Kwok Leung Chung practice?
Dr. Kwok Leung Chung practices at 600 N Garfield Ave, Monterey Park, CA 917541166. Office phone: 6263070828.
What is Dr. Kwok Leung Chung's NPI?
Dr. Kwok Leung Chung's National Provider Identifier (NPI) is 1760490627, issued by NPPES.
What procedures does Dr. Kwok Leung Chung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.