Doctor profile · Federal record
Dr. Katherine Nguyen, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Houston, TX
- NPI 1083881916
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
915 Gessner Road, Suite 850
Houston, TX 77024
(713) 461-1026
fax (713) 461-4358
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- February 11, 2014
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #L8453
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083881916. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
473
Distinct HCPCS
10
Medicare allowed
$65,773
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 94 | 88 | $130 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 57 | 57 | $243 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 49 | 31 | $80 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 48 | 48 | $96 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 46 | 46 | $112 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 44 | $90 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 45 | 45 | $170 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $170 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 21 | $121 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 16 | 16 | $177 |
In context: peer comparison
Among 86 peers in this city , average services per provider: 77. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$242
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $94.65 | |
| ABBVIE INC. | 5 | $73.11 | |
| Boston Scientific Corporation | 1 | $54.07 | |
| Celgene Corporation | 1 | $19.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
509
Patients
167
Total drug cost
$13,265
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 226 | 65 | $3,029 |
| Omeprazole | Generic | 118 | 42 | $1,876 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 36 | 36 | $2,830 |
| Dicyclomine Hcl | Generic | 35 | 12 | $797 |
| Famotidine | Generic | 35 | 12 | $326 |
| Ursodiol | Generic | 18 | 0 | $3,139 |
| Colestipol Hcl | Generic | 15 | 0 | $763 |
| Esomeprazole Magnesium | Generic | 15 | 0 | $246 |
| Lansoprazole | Generic | 11 | 0 | $259 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Nguyen's medical specialty?
Dr. Katherine Nguyen practices Gastroenterology Physician in Houston, TX.
Where does Dr. Katherine Nguyen practice?
Dr. Katherine Nguyen practices at 915 Gessner Road, Houston, TX 77024. Office phone: 7134611026.
What is Dr. Katherine Nguyen's NPI?
Dr. Katherine Nguyen's National Provider Identifier (NPI) is 1083881916, issued by NPPES.
Does Dr. Katherine Nguyen accept Medicare assignment?
Yes. Dr. Katherine Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.