HealthcareDiscovery.AI / Doctors / Arizona / Gastroenterology

Gastroenterologists in Arizona

Data updated monthly · Last refresh October 2026

400 Gastroenterology providers practice in Arizona, including 139 (35%) offering telehealth. The largest concentration is in Scottsdale. 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.

400providers
139telehealth
Scottsdaletop city

Gastroenterology by city in Arizona

Choose a city to see providers there.

Gastroenterology in Scottsdale106 providers
Gastroenterology in Phoenix70 providers
Gastroenterology in Tucson59 providers
Gastroenterology in Mesa39 providers
Gastroenterology in Chandler31 providers
Gastroenterology in Glendale17 providers
Gastroenterology in Gilbert14 providers
Gastroenterology in Yuma9 providers
Gastroenterology in Peoria9 providers
Gastroenterology in Flagstaff7 providers
Gastroenterology in Prescott6 providers
Gastroenterology in Sun City6 providers
Gastroenterology in Avondale5 providers
Gastroenterology in Goodyear4 providers
Gastroenterology in Paradise Valley2 providers
Gastroenterology in Sun City West2 providers
Gastroenterology in Cottonwood2 providers
Gastroenterology in Oro Valley2 providers
Gastroenterology in Page1 providers
Gastroenterology in Surprise1 providers
Gastroenterology in Tempe1 providers
Gastroenterology in Bullhead City1 providers
Gastroenterology in Sierra Vista1 providers
Gastroenterology in Kingman1 providers

Gastroenterology providers in Arizona

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. Sarah Umar, M.D.
Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth · (480) 301-8000
Dr. Shabana Pasha, M.D.
Scottsdale, AZ · $34 in drug and device payments (2025) · Telehealth · (480) 301-8000
Dr. Siddharth Singh, M.B., B.S.
Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth · (480) 301-8000
Dr. Sirish Rao
Scottsdale, AZ · $2,002 in drug and device payments (2025) · Telehealth · (602) 254-6686
Dr. S Kazi, M.D.,
Scottsdale, AZ · $2,131 in drug and device payments (2025) · Telehealth · (480) 219-6662
Dr. Sonmoon Mohapatra, M.D.
Scottsdale, AZ · No drug or device payments recorded (2025) · (480) 301-8000
Dr. Stacey Rolak, MD
Scottsdale, AZ · $222 in drug and device payments (2025) · (480) 301-8000
Dr. Stephen Tsoukas
Scottsdale, AZ · No drug or device payments recorded (2025) · (480) 301-8000
Dr. Stuart Triester, M.D.
Scottsdale, AZ · $129 in drug and device payments (2025) · Telehealth · (480) 945-2321
Dr. Suryakanth Gurudu, M.D.
Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth · (480) 301-8000
Dr. Suzanne Skoog, M.D.
Scottsdale, AZ · $628 in drug and device payments (2025) · (480) 563-5757
Dr. Talha Malik, M.D.
Scottsdale, AZ · $840 in drug and device payments (2025) · Telehealth · (480) 301-8000
Dr. Thomas Byrne, M.D.
Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth · (480) 301-8000
Dr. Thuy-duyen Nguyen, MD
Scottsdale, AZ · $354 in drug and device payments (2025) · (480) 301-8000
Dr. Tisha Lunsford, M.D.
Scottsdale, AZ · $117 in drug and device payments (2025) · Telehealth · (480) 301-8000
Dr. Vijay Singh, MBBS
Scottsdale, AZ · $158 in drug and device payments (2025) · (480) 301-8000
Dr. Viveksandeep Thoguluva Chandrasekar
Scottsdale, AZ · $2,344 in drug and device payments (2025) · (480) 301-8000
Dr. William Faubion, M.D.
Scottsdale, AZ · $9,950 in drug and device payments (2025) · Telehealth · (480) 301-8000
Dr. Wissam Mattar, MD
Scottsdale, AZ · No drug or device payments recorded (2025) · (480) 587-6614
Dr. Woong Kim, M.D.
Scottsdale, AZ · $22,721 in drug and device payments (2025) · (480) 301-8000
Dr. Yilien Alonso, M.D.
Scottsdale, AZ · $731 in drug and device payments (2025) · Telehealth · (480) 860-1990
Dr. Jaya Maddur, MD
Sierra Vista, AZ · No drug or device payments recorded (2025) · (520) 459-3850
Dr. Daryl Hutchinson, M.D.
Sun City, AZ · $810 in drug and device payments (2025) · Telehealth · (623) 972-2116
Dr. David Winston, M.D.
Sun City, AZ · No drug or device payments recorded (2025) · (623) 977-7201
Dr. Keng-yu Chuang, M.D.
Sun City, AZ · $5,128 in drug and device payments (2025) · Telehealth · (623) 972-2116
Dr. Parag Chokshi, MD
Sun City, AZ · $954 in drug and device payments (2025) · Telehealth · (623) 972-2116
Dr. Ramkrishna Kothur, M.D.
Sun City, AZ · $1,407 in drug and device payments (2025) · (623) 972-2116
Dr. Yvette Lam-tsai, M.D.
Sun City, AZ · $884 in drug and device payments (2025) · Telehealth · (623) 972-2116
Dr. Michael Koss, MD
Sun City West, AZ · No drug or device payments recorded (2025) · (623) 583-5273
Dr. Teodor Pitea, MD
Sun City West, AZ · $2,557 in drug and device payments (2025) · Telehealth · (623) 302-3054
Dr. Iliriana Ciraku, M.D.
Surprise, AZ · No drug or device payments recorded (2025) · (623) 476-7880
Dr. Rekha Shah, MD
Tempe, AZ · No drug or device payments recorded (2025) · (480) 704-3446
Dr. Arnold Merin, MD
Tucson, AZ · No drug or device payments recorded (2025) · (520) 795-4155
Dr. Avin Aggarwal, M.D.
Tucson, AZ · $393 in drug and device payments (2025) · (520) 626-6119
Dr. Bassel Kisso, MD
Tucson, AZ · $2,433 in drug and device payments (2025) · (520) 795-3090
Dr. Bechara Mezher, MD
Tucson, AZ · $2,360 in drug and device payments (2025) · (520) 869-9233
Dr. Bhavneet Singh, M.D.
Tucson, AZ · $476 in drug and device payments (2025) · (323) 513-5390
Dr. Brandon Witten, MD
Tucson, AZ · $330 in drug and device payments (2025) · (520) 626-3992
Dr. Bryan Contreras, M.D.
Tucson, AZ · $937 in drug and device payments (2025) · (520) 742-4139
Dr. Carl Kanun, MD
Tucson, AZ · No drug or device payments recorded (2025) · (520) 885-0823
Dr. Charles Krone, M.D.
Tucson, AZ · $2,695 in drug and device payments (2025) · (520) 795-7260
Dr. Charles Sanner, MD
Tucson, AZ · No drug or device payments recorded (2025) · (520) 722-0744
Dr. Craig Gross, M.D.
Tucson, AZ · $3,250 in drug and device payments (2025) · (520) 324-5461
Dr. Cristiana Bortuzzo, MD
Tucson, AZ · $1,331 in drug and device payments (2025) · (520) 675-3076
Dr. Debra Townsend, M.D.
Tucson, AZ · No drug or device payments recorded (2025) · (520) 320-1369
Dr. Diane Rodden
Tucson, AZ · $131 in drug and device payments (2025) · (520) 694-8888
Dr. Edmund Krasinski, D.O.
Tucson, AZ · No drug or device payments recorded (2025) · (520) 531-0600
Dr. Fadi Deeb, MD
Tucson, AZ · $3,189 in drug and device payments (2025) · (520) 795-3090
Dr. Frederick Klein, M.D.
Tucson, AZ · $917 in drug and device payments (2025) · (520) 742-4139
Dr. Gary Gottlieb, M.D.
Tucson, AZ · $951 in drug and device payments (2025) · (520) 324-2160

Conditions Gastroenterology providers in Arizona 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.

Common questions

How many Gastroenterology providers are in Arizona?

There are 400 Gastroenterology providers with active NPI records practicing in Arizona, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Arizona offer telehealth?

Yes. 139 of the 400 Gastroenterology providers in Arizona (about 35%) report offering telehealth services in CMS data.

Which cities in Arizona have the most Gastroenterology providers?

Scottsdale (106), Phoenix (70), Tucson (59) have the highest concentration of Gastroenterology providers in Arizona.

How many Gastroenterology providers in Arizona received drug or device company payments?

281 of 400 Gastroenterology providers in Arizona (70%) 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 Arizona 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 Arizona work in independent practices or large health systems?

Among 271 Gastroenterologists in Arizona enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 78% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Arizona work at?

According to CMS facility affiliation records, the Arizona hospitals where the most Gastroenterologists hold privileges are Mayo Clinic Hospital in Phoenix; Honorhealth Scottsdale Shea Medical Center in Scottsdale; Banner Desert Medical Center in Mesa.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Arizona? Get featured.