Gastroenterology in West Hills, California
Data updated monthly · Last refresh September 2026
11 Gastroenterology providers practice in West Hills. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in West Hills
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. Calin Arimie, MDWest Hills, CA · $1,327 in drug and device payments (2025) · Telehealth ·
(818) 593-2164 Dr. Craig Gluckman, MDWest Hills, CA · $121 in drug and device payments (2025) · Telehealth ·
(818) 340-8252 Dr. Danny Issa, MDWest Hills, CA · $115,501 in drug and device payments (2025) · Telehealth ·
(818) 340-8252 Dr. Gerald Rothman, MDWest Hills, CA · No drug or device payments recorded (2025) ·
(818) 346-9911 Dr. Jonathan Matthew, MDWest Hills, CA · $875 in drug and device payments (2025) ·
(818) 346-9911 Dr. Mona Rezapour, M.D.West Hills, CA · $122,927 in drug and device payments (2025) · Telehealth ·
(818) 340-8252 Dr. Paul Gulsrud, MDWest Hills, CA · No drug or device payments recorded (2025) ·
(818) 712-9154 Dr. Pejman Zargar, M.D.West Hills, CA · $182 in drug and device payments (2025) · Telehealth ·
(424) 467-1200 Dr. Robert TamaiWest Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 340-8252 Dr. Ron Chitayat, MDWest Hills, CA · $333 in drug and device payments (2025) · Telehealth ·
(818) 992-8505 Dr. Stephen Herr, MDWest Hills, CA · $101 in drug and device payments (2025) ·
(818) 346-9911 Conditions Gastroenterology providers in West Hills, California 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.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in West Hills, California?There are 11 Gastroenterology providers with active NPI records practicing in West Hills, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in West Hills treat?Gastroenterology providers in West Hills 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 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 West Hills Gastroenterology across California