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. Keith Hazleton, MD, PHDLos Angeles, CA · $33 in drug and device payments (2025) ·
(323) 660-2450 Dr. Kimberly Silva, M.D.Los Angeles, CA · $120 in drug and device payments (2025) ·
(310) 825-0867 Dr. Laura Wozniak, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-6082 Dr. Mallory ChavannesLos Angeles, CA · $22,774 in drug and device payments (2025) ·
(438) 395-1651 Dr. Marjorie-anne Manchandia, M.D.Los Angeles, CA · $34 in drug and device payments (2025) ·
(310) 825-0867 Dr. Martin Gilbert, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Martin Martin, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-3952 Dr. Marvin Ament, M.D.Los Angeles, CA · $38 in drug and device payments (2025) ·
(310) 206-3952 Dr. Michelle Binod, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 660-2450 Dr. Michelle Pietzak, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-2181 Dr. Omar Alharbi, M.D.Los Angeles, CA · $1,350 in drug and device payments (2025) ·
(323) 361-2181 Dr. Parastou Khalessi Hosseini, DOLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 660-2450 Dr. Prashanthi Kandavel, M.D.Los Angeles, CA · $54 in drug and device payments (2025) ·
(323) 361-2181 Dr. Quin Liu, M.D.Los Angeles, CA · $354 in drug and device payments (2025) · Telehealth ·
(323) 361-5924 Dr. Rebecca Winderman, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(917) 671-8142 Dr. Robert Venick, M.D.Los Angeles, CA · $4,840 in drug and device payments (2025) ·
(310) 206-6134 Dr. Rohit Kohli, MBBS, MSLos Angeles, CA · $9,596 in drug and device payments (2025) ·
(323) 361-4100 Dr. Roy Nattiv, MDLos Angeles, CA · $508 in drug and device payments (2025) ·
(310) 844-1194 Dr. Rula Harb, MDLos Angeles, CA · $145 in drug and device payments (2025) ·
(323) 669-2181 Dr. Russell Merritt, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-5704 Dr. Saumya Pathak, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-6134 Dr. Shervin Rabizadeh, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-7100 Dr. Shreena Patel, MDLos Angeles, CA · $49 in drug and device payments (2025) ·
(888) 631-2452 Dr. Shruti Nabar, MDLos Angeles, CA · $298 in drug and device payments (2025) ·
(323) 660-2450 Dr. Sonia Michail, MDLos Angeles, CA · $54 in drug and device payments (2025) ·
(323) 361-5924 Dr. Steven Kim, DOLos Angeles, CA · $394 in drug and device payments (2025) ·
(323) 783-4976 Dr. Suzanne Mcdiarmid, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-0867 Dr. Vrinda Bhardwaj, M.D.Los Angeles, CA · $48 in drug and device payments (2025) ·
(323) 361-6642 Dr. Yuhua ZhengLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-4456 Dr. Kathleen Lo, MDLos Gatos, CA · No drug or device payments recorded (2025) ·
(408) 358-3573 Dr. Ayesha BaigMadera, CA · $1,017 in drug and device payments (2025) ·
(559) 353-5745 Dr. John-paul Berauer, MDMadera, CA · $1,225 in drug and device payments (2025) ·
(559) 353-5745 Dr. Jose Martinez, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-5745 Dr. Karla Au Yeung, M.D.Madera, CA · $1,348 in drug and device payments (2025) ·
(559) 353-5700 Dr. Mazen Abbas, D.O., M.P.H.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-5745 Dr. Nathan Minkoff, M.DMadera, CA · $79,611 in drug and device payments (2025) ·
(559) 353-5700 Dr. Allen Finley, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Denah Taggart, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7956 Dr. Leena Kandula, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7956 Dr. Katharine Eng, MDMurrieta, CA · $55 in drug and device payments (2025) ·
(951) 566-5229 Dr. Arathi Lakhole, M.D, M.P.HOakland, CA · No drug or device payments recorded (2025) ·
(510) 428-3058 Dr. Edward Rich, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 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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