Doctor profile · Federal record
Dr. Dang Nguyen, MD
Gastroenterology Physician (CMS: Gastroenterology) · Houston, TX
- NPI 1023278850
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 S Shepherd Dr
Houston, TX 770985316
(713) 795-4444
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- April 12, 2016
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #M6309
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023278850. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,141
Distinct HCPCS
10
Medicare allowed
$143,588
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 144 | 23 | $48 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 91 | 86 | $130 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 87 | 82 | $92 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 85 | 44 | $80 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 85 | 24 | $63 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 83 | 81 | $85 | |
74328 |
Review by radiologist of image from tube placement into bile duct using an endoscope | 80 | 53 | $23 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 68 | 68 | $167 | |
43264 |
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 66 | 49 | $135 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 66 | 66 | $140 |
In context: peer comparison
Among 86 peers in this city , average services per provider: 77. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$1,952
Transactions
101
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 35 | $684.91 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 12 | $303.76 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 24 | $222.84 | |
| Boston Scientific Corporation | 3 | $136.03 | |
| Janssen Biotech, Inc. | 4 | $121.19 | |
| Lilly USA, LLC | 3 | $84.54 | |
| GENZYME CORPORATION | 3 | $81.41 | |
| Madrigal Pharmaceuticals | 3 | $62.05 | |
| Phathom Pharmaceuticals, Inc. | 3 | $61.50 | |
| Ardelyx, Inc. | 3 | $47.49 | |
| Celgene Corporation | 2 | $39.42 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $29.38 | |
| IRONWOOD PHARMACEUTICALS, INC | 1 | $23.61 | |
| Ambu Inc. | 3 | $23.06 | |
| Gilead Sciences, Inc. | 1 | $18.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
896
Patients
406
Total drug cost
$487,603
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 195 | 80 | $2,910 |
| Pantoprazole Sodium | Generic | 106 | 35 | $1,724 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 86 | 83 | $12,114 |
| Sucralfate | Generic | 74 | 33 | $1,875 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 70 | 67 | $1,089 |
| Dicyclomine Hcl | Generic | 55 | 21 | $1,080 |
| Famotidine | Generic | 55 | 21 | $1,211 |
| Linzess (Linaclotide) | Brand | 54 | 16 | $42,690 |
| Creon (Lipase/Protease/Amylase) | Brand | 50 | 0 | $105,031 |
| Hydrocortisone | Generic | 29 | 18 | $421 |
Hospital affiliations
Frequently asked questions
What is Dr. Dang Nguyen's medical specialty?
Dr. Dang Nguyen practices Gastroenterology Physician in Houston, TX.
Where does Dr. Dang Nguyen practice?
Dr. Dang Nguyen practices at 4100 S Shepherd Dr, Houston, TX 770985316. Office phone: 7137954444.
What is Dr. Dang Nguyen's NPI?
Dr. Dang Nguyen's National Provider Identifier (NPI) is 1023278850, issued by NPPES.
Does Dr. Dang Nguyen accept Medicare assignment?
Yes. Dr. Dang Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dang Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.