Pediatric Gastroenterology in Palo Alto, California
Data updated monthly · Last refresh September 2026
47 Pediatric Gastroenterology providers practice in Palo Alto, and 40% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Pediatric Gastroenterology providers in Palo Alto
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. Aeri Moon, MDPalo Alto, CA · $85 in drug and device payments (2025) ·
(650) 497-8000 Dr. Alka Goyal, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Andrew Liman, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. David Garcia, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Dorsey Bass, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Eduardo Contijoch, M.D./PH.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Emily Stryker, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Eric Sibley, M.D, PH.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-5070 Dr. Helen John-kelly, MDPalo Alto, CA · $30 in drug and device payments (2025) ·
(650) 497-8000 Dr. Hilary Jericho, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Jennifer Woo Baidal, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. John Kerner, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Jonathan Moses, MDPalo Alto, CA · $99 in drug and device payments (2025) ·
(650) 497-8000 Dr. Kanak Kennedy, MDPalo Alto, CA · $27 in drug and device payments (2025) ·
(650) 497-8000 Dr. Kevin Ratnasamy, MDPalo Alto, CA · $128 in drug and device payments (2025) ·
(650) 515-3740 Dr. Ke-you Zhang, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Kun Park, MD, MSPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Lauren Mullinax, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Madhura Phadke, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Manuel Garcia, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-5070 Dr. Marwa Abu El Haija, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Matthew Goldman, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Melissa Hurwitz, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 853-2992 Dr. Michael Rosen, MDPalo Alto, CA · $16,529 in drug and device payments (2025) ·
(650) 497-8000 Dr. Michelle Rook, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Mitchell Cohen, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Mohammad Jami, M.D.Palo Alto, CA · $15 in drug and device payments (2025) ·
(650) 497-8000 Dr. Peace Dike, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Perseus Patel, MDPalo Alto, CA · $1,603 in drug and device payments (2025) ·
(650) 497-8000 Dr. Philip Fernandes, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 725-9813 Dr. Phuong Nguyen, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-5070 Dr. Rachel Bensen, MDPalo Alto, CA · $26 in drug and device payments (2025) ·
(650) 497-8000 Dr. Rachel Herdes, DOPalo Alto, CA · $29 in drug and device payments (2025) ·
(650) 497-8000 Dr. Rachel Ruiz, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-5070 Dr. Ricardo Castillo, MDPalo Alto, CA · $43 in drug and device payments (2025) ·
(650) 497-8000 Dr. Roberto Gugig, MDPalo Alto, CA · $5,818 in drug and device payments (2025) ·
(650) 497-8000 Dr. Ruben Colman, M.D.Palo Alto, CA · $56 in drug and device payments (2025) ·
(650) 497-8000 Dr. Sapana Shah, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Seema Khan, MDPalo Alto, CA · $83 in drug and device payments (2025) ·
(650) 497-8000 Dr. Shikib Mostamand, M.D.Palo Alto, CA · $388 in drug and device payments (2025) ·
(650) 497-8000 Dr. Shweta Namjoshi, MD, MPHPalo Alto, CA · $4,853 in drug and device payments (2025) · Telehealth ·
(650) 497-8000 Dr. Sohail Husain, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Stephen Trisno, MDPalo Alto, CA · $14 in drug and device payments (2025) ·
(650) 497-8000 Dr. Warapan Nakayuenyongsuk, MDPalo Alto, CA · $17 in drug and device payments (2025) ·
(650) 723-5070 Dr. William Berquist, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yasemin Cagil, M.D.Palo Alto, CA · $565 in drug and device payments (2025) ·
(650) 497-8000 Dr. Zachary Sellers, MD, PHDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Common questions
How many Pediatric Gastroenterology providers are in Palo Alto, California?There are 47 Pediatric Gastroenterology providers with active NPI records practicing in Palo Alto, according to federal NPPES data refreshed monthly.
How many Pediatric Gastroenterology providers in Palo Alto received drug or device company payments?19 of 47 (40%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Palo Alto Pediatric Gastroenterology across California