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Pediatric Gastroenterologists in Arkansas

Data updated monthly · Last refresh October 2026

16 Pediatric Gastroenterology providers practice in Arkansas. The largest concentration is in Little Rock. 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.

16providers
Little Rocktop city

Pediatric Gastroenterology by city in Arkansas

Choose a city to see providers there.

Pediatric Gastroenterology in Little Rock13 providers
Pediatric Gastroenterology in Sherwood1 providers
Pediatric Gastroenterology in Springdale1 providers
Pediatric Gastroenterology in Jonesboro1 providers

Where Pediatric Gastroenterologists in Arkansas practice

From CMS Medicare enrollment records covering 3 of the 16 providers listed here (19%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Pediatric GastroenterologistsAll clinicians in groupMain city
Arkansas Childrens Professional Services Organization LLC3180Little Rock

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.

Pediatric Gastroenterology providers in Arkansas

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. Sulaiman Bharwani, M.D., FAAP, FACG
Jonesboro, AR · $1,000 in drug and device payments (2025) · (870) 251-8925
Dr. Allah Haafiz, MD
Little Rock, AR · No drug or device payments recorded (2025) · (501) 364-1100
Dr. Donald Mock, MD
Little Rock, AR · No drug or device payments recorded (2025) · (501) 364-1100
Dr. Elaine Odiase
Little Rock, AR · $47 in drug and device payments (2025) · (501) 364-6711
Dr. Helen Casteel, M.D.
Little Rock, AR · No drug or device payments recorded (2025) · (501) 228-7171
Dr. Jennifer Dotson, MD
Little Rock, AR · $16 in drug and device payments (2025) · (501) 364-1100
Dr. John Rosen, MD
Little Rock, AR · $83 in drug and device payments (2025) · (501) 364-3933
Dr. Juliana Vaughan, M.D
Little Rock, AR · $4,711 in drug and device payments (2025) · (501) 364-1004
Dr. Julissa Buchmann, MD
Little Rock, AR · No drug or device payments recorded (2025) · (501) 364-1100
Dr. Maryelle Vonlanthen, MD
Little Rock, AR · No drug or device payments recorded (2025) · (501) 228-7171
Dr. Megan Butler, MD
Little Rock, AR · No drug or device payments recorded (2025) · (501) 364-1100
Dr. Prateek Wali, MD
Little Rock, AR · No drug or device payments recorded (2025) · (501) 364-1100
Dr. Travis Ayers, M.D.
Little Rock, AR · No drug or device payments recorded (2025) · (501) 364-2988
Dr. Vivian Vega Lemus, MD
Little Rock, AR · $131 in drug and device payments (2025) · (501) 364-1100
Dr. Stephen Fiedorek, M.D.
Sherwood, AR · No drug or device payments recorded (2025) · (501) 758-1530
Dr. John Alberty, MD
Springdale, AR · No drug or device payments recorded (2025) · (479) 334-3485

Common questions

How many Pediatric Gastroenterology providers are in Arkansas?

There are 16 Pediatric Gastroenterology providers with active NPI records practicing in Arkansas, according to federal NPPES data refreshed monthly.

Which cities in Arkansas have the most Pediatric Gastroenterology providers?

Little Rock (13), Sherwood (1), Springdale (1) have the highest concentration of Pediatric Gastroenterology providers in Arkansas.

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.

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Related

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 Pediatric Gastroenterology in Arkansas? Get featured.