Doctor profile · Federal record

Dr. Gulchin Ergun, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Houston, TX

  • NPI 1497746812
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6560 Fannin St Ste 1160
Houston, TX 770302725
(713) 933-2650
fax (713) 933-2653
Mailing address
Po Box 4346, Dept 540
Houston, TX 772104346

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 14, 2011
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #K4886
Medicaid
TX #100529003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497746812. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
771
Distinct HCPCS
10
Medicare allowed
$78,982
HCPCS Description Services Patients Avg allowed
91010 Study of esophagus to assess movement 153 153 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 135 120 $129
91038 Prolonged monitoring and recording of esophageal function through nasal tube with electrode 84 84 $55
99204 New patient office or other outpatient visit, 45-59 minutes 65 65 $167
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 55 48 $116
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 53 52 $82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 31 $80
91122 Study of rectum sensitivity and function 39 38 $86
91120 Test for tone and sensation of rectum and anus 37 37 $47
45380 Biopsy of large bowel using a flexible endoscope 30 29 $153

In context: peer comparison

Among 86 peers in this city , average services per provider: 77. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,330
Transactions
49
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 20 $347.41
Phathom Pharmaceuticals, Inc. 6 $187.28
Medtronic, Inc. 1 $185.89
Takeda Pharmaceuticals U.S.A., Inc. 9 $167.39
Janssen Biotech, Inc. 1 $125.00
CONMED Corporation 1 $109.86
Regeneron Healthcare Solutions, Inc. 3 $59.25
GENZYME CORPORATION 2 $43.81
Celltrion USA Inc. 2 $37.45
IRONWOOD PHARMACEUTICALS, INC 1 $20.26
Braintree Laboratories, Inc. 1 $16.30
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $16.30
Merck Sharp & Dohme LLC 1 $14.29

By nature of payment

Food and Beverage
$1,330

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
323
Patients
99
Total drug cost
$39,376
Drug Type Claims Patients Total cost
Omeprazole Generic 95 30 $1,899
Pantoprazole Sodium Generic 50 21 $1,107
Esomeprazole Magnesium Generic 42 15 $2,380
Famotidine Generic 34 0 $537
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 33 33 $537
Linzess (Linaclotide) Brand 25 0 $23,305
Lansoprazole Generic 17 0 $424
Dexlansoprazole Dr (Dexlansoprazole) Brand 16 0 $8,866
Rabeprazole Sodium Generic 11 0 $320

Frequently asked questions

Auto-generated from federal data
What is Dr. Gulchin Ergun's medical specialty?
Dr. Gulchin Ergun practices Gastroenterology Physician in Houston, TX.
Where does Dr. Gulchin Ergun practice?
Dr. Gulchin Ergun practices at 6560 Fannin St Ste 1160, Houston, TX 770302725. Office phone: 7139332650.
What is Dr. Gulchin Ergun's NPI?
Dr. Gulchin Ergun's National Provider Identifier (NPI) is 1497746812, issued by NPPES.
Does Dr. Gulchin Ergun accept Medicare assignment?
Yes. Dr. Gulchin Ergun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gulchin Ergun commonly perform?
Top Medicare-reported procedures in 2023: Study of esophagus to assess movement (HCPCS 91010); Established patient office or other outpatient visit (HCPCS 99214); Prolonged monitoring and recording of esophageal function through nasal tube with electrode (HCPCS 91038). Source: CMS Medicare Physician & Other Practitioners file.