Doctor profile · Federal record

Dr. Nhat Nguyen, M.D.

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

  • NPI 1053643072
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4616 US Hwy 75 Ste 203
Denison, TX 75020
(903) 416-6255
fax (903) 416-6024
Mailing address
5012 S US Hwy 75, Suite 300, Attn Billing
Denison, TX 750204589

Credentials & registration

NPPES · NUCC
NPI registered
February 2010 — 16 yrs on file
Profile last updated
January 2, 2019
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #P2043
Medicaid (2)
TX #336047101 · OK #200540180A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053643072. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,920
Distinct HCPCS
10
Medicare allowed
$216,144
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 424 180 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 385 321 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 276 203 $123
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 242 215 $126
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 126 126 $226
99204 New patient office or other outpatient visit, 45-59 minutes 119 119 $159
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 92 92 $84
99203 New patient office or other outpatient visit, 30-44 minutes 46 46 $108
45380 Biopsy of large bowel using a flexible endoscope 42 42 $95
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 38 30 $122

In context: peer comparison

Among 4 peers in this city , average services per provider: 115. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$621
Transactions
35
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 17 $270.04
Takeda Pharmaceuticals U.S.A., Inc. 5 $111.43
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $86.23
Ardelyx, Inc. 3 $61.53
Braintree Laboratories, Inc. 2 $35.90
Janssen Biotech, Inc. 1 $20.59
Gilead Sciences, Inc. 1 $19.05
Phathom Pharmaceuticals, Inc. 1 $15.85

By nature of payment

Food and Beverage
$621

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,315
Patients
559
Total drug cost
$361,548
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 404 163 $7,554
Famotidine Generic 164 63 $4,246
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 136 134 $22,951
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 117 46 $4,600
Linzess (Linaclotide) Brand 91 25 $92,654
Dicyclomine Hcl Generic 64 31 $4,137
Ondansetron Odt (Ondansetron) Brand 63 22 $1,453
Omeprazole Generic 58 20 $1,171
Colestipol Hcl Generic 39 16 $5,757
Esomeprazole Magnesium Generic 35 13 $2,106

Frequently asked questions

Auto-generated from federal data
What is Dr. Nhat Nguyen's medical specialty?
Dr. Nhat Nguyen practices Gastroenterology Physician in Denison, TX.
Where does Dr. Nhat Nguyen practice?
Dr. Nhat Nguyen practices at 4616 US Hwy 75 Ste 203, Denison, TX 75020. Office phone: 9034166255.
What is Dr. Nhat Nguyen's NPI?
Dr. Nhat Nguyen's National Provider Identifier (NPI) is 1053643072, issued by NPPES.
Does Dr. Nhat Nguyen accept Medicare assignment?
Yes. Dr. Nhat Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nhat Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.