Gastroenterologists in Nevada
Data updated monthly · Last refresh October 2026
120 Gastroenterology providers practice in Nevada, including 19 (16%) offering telehealth. The largest concentration is in Las Vegas. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
120providers
19telehealth
Las Vegastop city
Gastroenterology by city in Nevada
Choose a city to see providers there.
Where Gastroenterologists in Nevada practice
From CMS Medicare enrollment records covering 83 of the 120 providers listed here (69%). Providers who do not bill Medicare are not included in these figures.
29%solo or small practice (under 10 clinicians)
52%mid-size group (10 to 99)
19%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Gastroenterologists | All clinicians in group | Main city |
| Kim Chen PLLC | 11 | 18 | Las Vegas |
| Digestive Health Associates | 9 | 38 | Reno |
| Digestive Associates LLP | 8 | 17 | N Las Vegas |
| Gastroenterology Consultants LTD | 7 | 39 | Reno |
| Las Vegas Medical Group LLC | 6 | 51 | Henderson |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Gastroenterologists affiliated |
| Renown Regional Medical Center | Reno | Nonprofit | 3 of 5 | 22 |
| Summerlin Hospital Medical Center | Las Vegas | For-profit | 3 of 5 | 16 |
| Renown South Meadows Medical Center | Reno | Nonprofit | 3 of 5 | 14 |
| Northern Nevada Medical Center | Sparks | Nonprofit | 3 of 5 | 13 |
| Carson Tahoe Regional Medical Center | Carson City | Nonprofit | 2 of 5 | 10 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Gastroenterology providers in Nevada
Listed by city, largest first. 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. Jason Collins, M.D.Carson City, NV · $1,873 in drug and device payments (2025) ·
(775) 884-4567 Dr. John Mcafee, MDCarson City, NV · No drug or device payments recorded (2025) ·
(775) 884-4567 Dr. Leslie Massey, D.O.Carson City, NV · $2,017 in drug and device payments (2025) ·
(775) 329-4600 Dr. Michael Solinger, MDCarson City, NV · $89 in drug and device payments (2025) ·
(775) 388-4456 Dr. Phillip Harper, MDCarson City, NV · No drug or device payments recorded (2025) ·
(775) 884-4567 Dr. Swaroop Pendyala, M.D.,Carson City, NV · $430 in drug and device payments (2025) ·
(775) 884-4567 Dr. Yala Kirthi Reddy, MDCarson City, NV · $272 in drug and device payments (2025) ·
(316) 655-6989 Dr. Fred Fricke, MDElko, NV · No drug or device payments recorded (2025) ·
(775) 738-0500 Dr. Adedayo Mokuolu, MDHenderson, NV · $1,077 in drug and device payments (2025) ·
(702) 255-5900 Dr. Albert Mason, M.D.Henderson, NV · No drug or device payments recorded (2025) ·
(702) 492-1162 Dr. Arumugam Sivakumar, MDHenderson, NV · $1,076 in drug and device payments (2025) ·
(702) 567-8080 Dr. Bipin Saud, MDHenderson, NV · $525 in drug and device payments (2025) ·
(702) 492-1162 Dr. Carmelo Herrero, M.D.Henderson, NV · $750 in drug and device payments (2025) ·
(702) 492-1162 Dr. Desha Frankel, MDHenderson, NV · No drug or device payments recorded (2025) ·
(702) 558-6430 Dr. Jonathan Ricker, DOHenderson, NV · $1,079 in drug and device payments (2025) ·
(702) 492-1162 Dr. Mahendra Defonseka, M.D.Henderson, NV · No drug or device payments recorded (2025) ·
(702) 565-3037 Dr. Muthena Maklad, MDHenderson, NV · $2,198 in drug and device payments (2025) ·
(702) 492-1162 Dr. Rajat Sood, MDHenderson, NV · $88,333 in drug and device payments (2025) ·
(702) 558-4027 Dr. Robert Yeh, MDHenderson, NV · $3,595 in drug and device payments (2025) ·
(702) 309-0888 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 Conditions Gastroenterology providers in 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 Nevada?There are 120 Gastroenterology providers with active NPI records practicing in Nevada, according to federal NPPES data refreshed monthly.
Do Gastroenterology providers in Nevada offer telehealth?Yes. 19 of the 120 Gastroenterology providers in Nevada (about 16%) report offering telehealth services in CMS data.
Which cities in Nevada have the most Gastroenterology providers?Las Vegas (56), Reno (29), Henderson (11) have the highest concentration of Gastroenterology providers in Nevada.
How many Gastroenterology providers in Nevada received drug or device company payments?90 of 120 Gastroenterology providers in Nevada (75%) 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 Nevada treat?Gastroenterology providers 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 counts and profiles 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.
Do most Gastroenterologists in Nevada work in independent practices or large health systems?Among 83 Gastroenterologists in Nevada enrolled in Medicare, 29% bill through a solo or small practice with fewer than 10 clinicians, 52% through a mid-size group of 10 to 99, and 19% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Gastroenterologists in Nevada work at?According to CMS facility affiliation records, the Nevada hospitals where the most Gastroenterologists hold privileges are Renown Regional Medical Center in Reno; Summerlin Hospital Medical Center in Las Vegas; Renown South Meadows Medical Center in Reno.
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