Doctor profile · Federal record

Dr. Vincent Chan, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Garland, TX

  • NPI 1770678336
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 Clara Barton Blvd, Suite 300
Garland, TX 750425738
(972) 494-6235
fax (972) 272-2073

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 1, 2010
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #M3491
Medicaid (2)
TX #206166501 · TX #206166502

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770678336. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
649
Distinct HCPCS
10
Medicare allowed
$87,509
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 141 141 $243
45380 Biopsy of large bowel using a flexible endoscope 109 109 $88
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 86 85 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 78 65 $126
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $163
99213 Established patient office or other outpatient visit, 20-29 minutes 42 40 $89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 33 $125
36415 Insertion of needle into vein for collection of blood sample 23 19 $8
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 23 23 $176
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 16 $76

In context: peer comparison

Among 1 peers in this city , average services per provider: 49. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,411
Transactions
89
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 37 $568.45
Takeda Pharmaceuticals U.S.A., Inc. 29 $319.56
Phathom Pharmaceuticals, Inc. 5 $108.87
Madrigal Pharmaceuticals 3 $77.34
Intercept Pharmaceuticals, Inc. 2 $48.61
Celgene Corporation 2 $43.07
AIMMUNE THERAPEUTICS, INC. 2 $41.56
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $40.68
Ardelyx, Inc. 1 $25.00
Janssen Biotech, Inc. 1 $23.98
American Regent 1 $21.92
PFIZER INC. 1 $19.51
Regeneron Healthcare Solutions, Inc. 1 $19.01
Braintree Laboratories, Inc. 1 $15.61
Celltrion USA Inc. 1 $14.45

By nature of payment

Food and Beverage
$1,396
Education
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
859
Patients
518
Total drug cost
$588,017
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 163 161 $2,649
Omeprazole Generic 140 69 $2,131
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 103 99 $8,238
Pantoprazole Sodium Generic 94 41 $1,401
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 79 79 $13,252
Linzess (Linaclotide) Brand 48 20 $38,009
Dicyclomine Hcl Generic 40 23 $480
Sucralfate Generic 35 15 $1,841
Mesalamine Generic 28 0 $17,673
Colestipol Hcl Generic 26 11 $1,918

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Vincent Chan's medical specialty?
Dr. Vincent Chan practices Gastroenterology Physician in Garland, TX.
Where does Dr. Vincent Chan practice?
Dr. Vincent Chan practices at 601 Clara Barton Blvd, Garland, TX 750425738. Office phone: 9724946235.
What is Dr. Vincent Chan's NPI?
Dr. Vincent Chan's National Provider Identifier (NPI) is 1770678336, issued by NPPES.
Does Dr. Vincent Chan accept Medicare assignment?
Yes. Dr. Vincent Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vincent Chan commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.