Best Gastroenterologists in Palo Alto
Choosing a gastroenterologist in Palo Alto, is easier when you can see credentials, listed plans, and patient ratings in one place. Heallexa shows 25+ verified gastroenterologists side by side.
25 gastroenterologists in Palo Alto



Peter B Gregory, MD
4.5Peter B Gregory · Gastroenterology Physician
750 Welch Rd Suite 210(650) 725-9924

Ricardo O Castillo, MD
4.5Ricardo O Castillo · Pediatric Gastroenterology Physician
725 Welch Rd(650) 497-8000
Joanne Carol Imperial, MD
4.5Joanne Carol Imperial · Gastroenterology Physician
900 Welch Rd(650) 324-7912

Nielsen Quimaira Fernandez Becker, MD, PHD
4.5Nielsen Quimaira Fernandez Becker · Gastroenterology Physician
300 Pasteur Dr(650) 723-4000
Erick Peiren Chan, MD
4.5Erick Peiren Chan · Gastroenterology Physician
795 El Camino Real(650) 853-2972
Harry B Greenberg, MD
4.5Harry B Greenberg · Gastroenterology Physician
3801 Miranda Ave(650) 493-5000
Robert Bruce Ruskin, MD
4.5Robert Bruce Ruskin · Gastroenterology Physician
795 El Camino Real(650) 326-8527
Rebecca Berquist Mckenzie, MD
4.5Rebecca Berquist Mckenzie · Pediatric Gastroenterology Physician
770 Welch Rd(650) 497-8000
Aarti Kallianpur Rao, MD
4.5Aarti Kallianpur Rao · Gastroenterology Physician
795 El Camino Real(650) 853-2972
Rachel Mariko Ruiz, MD
4.5Rachel Mariko Ruiz · Pediatric Gastroenterology Physician
750 Welch Rd(650) 723-5070

Melissa Hurwitz, MD
4.5Melissa Hurwitz · Pediatric Gastroenterology Physician
795 El Camino Real(650) 853-2992


Eric Sibley, MD, PHD
4.5Eric Sibley · Pediatric Gastroenterology Physician
750 Welch Rd Suite 116(650) 723-5070
Manuel Garcia, MD
4.5Manuel Garcia · Pediatric Gastroenterology Physician
750 Welch Rd Suite 116(650) 723-5070
Rachel S Bensen, MD
4.5Rachel S Bensen · Pediatric Gastroenterology Physician
725 Welch Rd(650) 497-8000
Kun Tae Park, MD, MS
4.5Kun Tae Park · Pediatric Gastroenterology Physician
725 Welch Rd(650) 497-8000
Michelle Tara Rook, MD
4.5Michelle Tara Rook · Pediatric Gastroenterology Physician
725 Welch Rd(650) 497-8000
Ryan Arthur Mcconnell, MD
4.5Ryan Arthur Mcconnell · Gastroenterology Physician
795 El Camino Real(650) 853-2972
Gastroenterologists in Palo Alto by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Gastroenterologists in nearby cities
Same specialty in cities near Palo Alto — useful if your insurance network extends across the metro.
About finding a gastroenterologist in Palo Alto
Palo Alto has gastroenterologists practicing across hospital systems, group practices, and independent clinics. When choosing a gastroenterologist in Palo Alto, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many Palo Alto gastroenterologists list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about gastroenterologists in Palo Alto
What should I ask a gastroenterologist in Palo Alto before booking?+
Confirm three things: (1) they currently accept your specific insurance plan and network tier, (2) the office location and parking, and (3) typical wait times for new-patient visits.
Is telehealth available with Palo Alto gastroenterologists?+
Many Palo Alto gastroenterologists offer telehealth visits, especially for follow-ups, prescription refills, and consultations. Look for the telehealth badge on each profile.
How are these Palo Alto gastroenterologists verified?+
Every listing on Heallexa is matched against NPI records and state license databases. Credentials, board certifications, and active license status are surfaced on each profile.
Is Heallexa free for patients in Palo Alto?+
Yes. Searching, comparing, and contacting Palo Alto gastroenterologists on Heallexa is 100% free for patients. We don't charge booking fees or sell your search data.