Pediatric Gastroenterologists in California
Data updated monthly · Last refresh October 2026
268 Pediatric Gastroenterology providers practice in California, including 4 (1%) offering telehealth. The largest concentration is in Palo Alto. 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.
268providers
4telehealth
Palo Altotop city
Pediatric Gastroenterology by city in California
Choose a city to see providers there.
Pediatric Gastroenterology providers in California
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. Andrew DickersonSan Diego, CA · $37,839 in drug and device payments (2025) ·
(858) 966-4003 Dr. Angela Chu, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Anita Sharma, M.D.San Diego, CA · $132 in drug and device payments (2025) ·
(858) 966-4003 Dr. Anjella Manoharan, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-8509 Dr. Ariel Feldstein, MDSan Diego, CA · $107 in drug and device payments (2025) ·
(858) 966-4003 Dr. Charles Yang, M.D.San Diego, CA · $16 in drug and device payments (2025) ·
(619) 532-6896 Dr. Christopher Chu, MDSan Diego, CA · $614 in drug and device payments (2025) ·
(858) 966-4003 Dr. Dana Patton-ku, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Daniela Castano, M.D.San Diego, CA · $18 in drug and device payments (2025) ·
(858) 966-4003 Dr. Danielle Barnes, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-6896 Dr. David Katibian, MDSan Diego, CA · $35 in drug and device payments (2025) ·
(858) 966-4003 Dr. David Polk, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Elizabeth Yu, MDSan Diego, CA · $31 in drug and device payments (2025) ·
(858) 966-4003 Dr. Eric Pasman, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-6896 Dr. Hayat Mousa, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Jeannie Huang, M.D.San Diego, CA · $16 in drug and device payments (2025) ·
(858) 966-4003 Dr. Jeffrey Schwimmer, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Jocelyn Young, M.D.San Diego, CA · $49 in drug and device payments (2025) ·
(858) 966-4003 Dr. Joel Lavine, M.D., PH.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Kathleen Schwarz, M.D.San Diego, CA · $7,885 in drug and device payments (2025) ·
(858) 966-4003 Dr. Kimberly Newton, MDSan Diego, CA · $187 in drug and device payments (2025) ·
(858) 966-4003 Dr. Koorosh Kooros, M.D.San Diego, CA · $307 in drug and device payments (2025) ·
(858) 966-4032 Dr. Laura Bauman, M.D.San Diego, CA · $36 in drug and device payments (2025) ·
(858) 966-4003 Dr. Lillian Choi, M.D.San Diego, CA · $209 in drug and device payments (2025) ·
(858) 966-4003 Dr. Lynelle Boamah, MDSan Diego, CA · $31 in drug and device payments (2025) ·
(858) 966-4003 Dr. Mamata Sivagnanam, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Maria Herrera, M.D.San Diego, CA · $32 in drug and device payments (2025) ·
(858) 966-6764 Dr. Maria Ordonez Naranjo, M.D.San Diego, CA · $44 in drug and device payments (2025) ·
(858) 966-4003 Dr. Mary Abigail Garcia, M.D.San Diego, CA · $35,158 in drug and device payments (2025) ·
(858) 966-4003 Dr. Nathan Bryan, DOSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Nidhi Goyal, MDSan Diego, CA · $109 in drug and device payments (2025) ·
(858) 966-1700 Dr. Phillipp Hartmann, M.D.San Diego, CA · $195 in drug and device payments (2025) ·
(858) 966-4003 Dr. Ranjan Dohil, M.D.San Diego, CA · $24 in drug and device payments (2025) ·
(858) 966-4003 Dr. Soma Kumar, M.D.San Diego, CA · $64 in drug and device payments (2025) ·
(858) 309-6300 Dr. Taylor Montminy, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Tom Lin, MDSan Diego, CA · $5,203 in drug and device payments (2025) ·
(858) 966-4003 Dr. Warren Shapiro, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-4003 Dr. Xenia Hom, M.D.San Diego, CA · $16 in drug and device payments (2025) ·
(858) 966-4003 Dr. Addison Cuneo, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-7337 Dr. Bittoo Kanwar, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-5892 Dr. Colin Rudolph, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 317-6342 Dr. Daniel Sloven, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(844) 733-2762 Dr. Elizabeth Yen, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-5892 Dr. Emily Perito, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-5892 Dr. Jennifer Burgis, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-0770 Dr. Katherine Cheng, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 443-8244 Dr. Namrata Patel, M.D. M.P.H.San Francisco, CA · No drug or device payments recorded (2025) ·
(773) 702-7553 Dr. Sabrina Karim, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-7337 Dr. Sarika Aggarwal, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-1968 Dr. Saurabh Patel, MD, PHDSan Francisco, CA · $123 in drug and device payments (2025) ·
(415) 600-0770 Common questions
How many Pediatric Gastroenterology providers are in California?There are 268 Pediatric Gastroenterology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Pediatric Gastroenterology providers in California offer telehealth?Yes. 4 of the 268 Pediatric Gastroenterology providers in California (about 1%) report offering telehealth services in CMS data.
Which cities in California have the most Pediatric Gastroenterology providers?Palo Alto (47), Los Angeles (46), San Diego (41) have the highest concentration of Pediatric Gastroenterology providers in California.
How many Pediatric Gastroenterology providers in California received drug or device company payments?143 of 268 Pediatric Gastroenterology providers in California (53%) 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 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.
Which hospitals do Pediatric Gastroenterologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Pediatric Gastroenterologists hold privileges are Children's Hosp of Los Angeles in Los Angeles; Memorialcare Long Beach Medical Center in Long Beach; Ronald Reagan UCLA Medical Center in Los Angeles.
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