Gastroenterology in Las Vegas, Nevada
Data updated monthly · Last refresh September 2026
56 Gastroenterology providers practice in Las Vegas, and 82% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Las Vegas
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Abdul Gader GherianiLas Vegas, NV · $360 in drug and device payments (2025) ·
(571) 306-9133 Dr. Andrew Kim, MDLas Vegas, NV · $1,275 in drug and device payments (2025) · Telehealth ·
(702) 483-4483 Dr. Ayaaz Ismail, MDLas Vegas, NV · $1,022 in drug and device payments (2025) · Telehealth ·
(702) 948-9480 Dr. Brent Burnette, MDLas Vegas, NV · $952 in drug and device payments (2025) ·
(702) 796-0231 Dr. Chaorui Tian, M.D., PH.D.Las Vegas, NV · No drug or device payments recorded (2025) ·
(702) 877-8330 Dr. Christian Stone, MD, MPHLas Vegas, NV · $167,466 in drug and device payments (2025) ·
(702) 483-4483 Dr. Christopher ChangLas Vegas, NV · $1,308 in drug and device payments (2025) ·
(702) 750-0313 Dr. David Chua, M.D.Las Vegas, NV · No drug or device payments recorded (2025) ·
(702) 838-8708 Dr. David Shih, MDLas Vegas, NV · $1,810 in drug and device payments (2025) · Telehealth ·
(702) 483-4483 Dr. Deb Mukhopadhyay, M.D.Las Vegas, NV · $183 in drug and device payments (2025) ·
(702) 233-0666 Dr. Donald Kwok, M.D.Las Vegas, NV · $856 in drug and device payments (2025) ·
(702) 796-0231 Dr. Eladio Carrera, M.D.Las Vegas, NV · $2,820 in drug and device payments (2025) ·
(702) 220-9865 Dr. Enrique Lacayo, MDLas Vegas, NV · $492 in drug and device payments (2025) ·
(702) 382-6970 Dr. Filippo Cremonini, MDLas Vegas, NV · $441 in drug and device payments (2025) · Telehealth ·
(702) 982-7240 Dr. Frank Faris, M.D.Las Vegas, NV · $2,795 in drug and device payments (2025) ·
(702) 483-5515 Dr. Franklin Liu, MDLas Vegas, NV · $105 in drug and device payments (2025) ·
(702) 916-5000 Dr. Frank Nemec, M.D.Las Vegas, NV · $734 in drug and device payments (2025) ·
(702) 796-0231 Dr. Gary Chen, M.D.Las Vegas, NV · $1,609 in drug and device payments (2025) · Telehealth ·
(702) 483-4483 Dr. Gayatri Vengayil, MDLas Vegas, NV · $1,241 in drug and device payments (2025) ·
(702) 483-4483 Dr. Gordon Ohning, MDLas Vegas, NV · $88 in drug and device payments (2025) ·
(702) 671-5070 Dr. Gregory Kwok, M.D.Las Vegas, NV · $1,173 in drug and device payments (2025) ·
(702) 796-0231 Dr. Henry Chiu, M.D.Las Vegas, NV · No drug or device payments recorded (2025) ·
(702) 877-5199 Dr. James Han, MDLas Vegas, NV · $37,064 in drug and device payments (2025) ·
(702) 750-0313 Dr. John Ko, DOLas Vegas, NV · $1,350 in drug and device payments (2025) ·
(702) 388-8436 Dr. John Ryan, M.D.Las Vegas, NV · $1,152 in drug and device payments (2025) ·
(702) 483-4483 Dr. Jose Aponte-pieras, MDLas Vegas, NV · $710 in drug and device payments (2025) · Telehealth ·
(702) 676-3650 Dr. Juan Trivella, M.D.Las Vegas, NV · $170 in drug and device payments (2025) ·
(702) 877-8330 Dr. Kaio Ferreira, MDLas Vegas, NV · $1,016 in drug and device payments (2025) ·
(702) 750-0313 Dr. Katrina Naik, MDLas Vegas, NV · $551 in drug and device payments (2025) ·
(702) 796-0231 Dr. Keaton Maguire, DOLas Vegas, NV · $219 in drug and device payments (2025) ·
(702) 388-4000 Dr. Kenneth Chow, MDLas Vegas, NV · $121 in drug and device payments (2025) ·
(702) 383-2000 Dr. Laura Gitlin, MDLas Vegas, NV · $52 in drug and device payments (2025) ·
(702) 869-5544 Dr. Luis Tupac, MDLas Vegas, NV · No drug or device payments recorded (2025) ·
(702) 733-2998 Dr. Malwinder Sidhu, M.D.Las Vegas, NV · $1,297 in drug and device payments (2025) ·
(702) 750-0313 Dr. Mara Posner, D.OLas Vegas, NV · No drug or device payments recorded (2025) · Telehealth ·
(702) 877-5199 Dr. Martin Shill, MDLas Vegas, NV · $40 in drug and device payments (2025) ·
(702) 382-1599 Dr. Masuma Syed, MDLas Vegas, NV · $119 in drug and device payments (2025) ·
(702) 388-4000 Dr. Matthew Glover, MDLas Vegas, NV · $1,410 in drug and device payments (2025) ·
(702) 483-4483 Dr. Nasim Mcdermott, DOLas Vegas, NV · $127 in drug and device payments (2025) ·
(702) 388-8436 Dr. Nicholas Tibaldi, M.D.Las Vegas, NV · No drug or device payments recorded (2025) ·
(702) 877-8330 Dr. Nicolae Weisz, MDLas Vegas, NV · $1,688 in drug and device payments (2025) · Telehealth ·
(702) 804-1818 Dr. Noel Fajardo, M.D.Las Vegas, NV · $694 in drug and device payments (2025) ·
(702) 982-7240 Dr. Nourollah Ghahreman, M.D.Las Vegas, NV · No drug or device payments recorded (2025) ·
(702) 630-2072 Dr. Peter Airel, M.D.Las Vegas, NV · $19 in drug and device payments (2025) ·
(702) 877-5199 Dr. Robert Pham, PH.D MDLas Vegas, NV · No drug or device payments recorded (2025) ·
(702) 942-7344 Dr. Sara AlleyasinLas Vegas, NV · $173 in drug and device payments (2025) ·
(702) 388-8000 Dr. Sherin Samuel, DOLas Vegas, NV · No drug or device payments recorded (2025) ·
(702) 388-8436 Dr. Syed Abdul Basit, M.D.Las Vegas, NV · $924 in drug and device payments (2025) · Telehealth ·
(702) 483-4483 Dr. Tarek Ammar, MDLas Vegas, NV · $1,832 in drug and device payments (2025) · Telehealth ·
(702) 483-4483 Dr. Tousif Pasha, M.DLas Vegas, NV · $1,075 in drug and device payments (2025) · Telehealth ·
(702) 948-9480 Conditions Gastroenterology providers in Las Vegas, Nevada commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Las Vegas, Nevada?There are 56 Gastroenterology providers with active NPI records practicing in Las Vegas, according to federal NPPES data refreshed monthly.
How many Gastroenterology providers in Las Vegas received drug or device company payments?46 of 56 (82%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Gastroenterology providers in Las Vegas treat?Gastroenterology providers in Las Vegas commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Las Vegas Gastroenterology across Nevada