Best Gastroenterologists in Rancho Cucamonga CA
Looking for a gastroenterologist in Rancho Cucamonga CA? Most patients narrow the list by insurance first, then by location and reviews. 5 gastroenterologists appear below.
5 gastroenterologists in Rancho Cucamonga CA

Platinum Digestive Health
4.5Platinum Digestive Health · Gastroenterology Physician
9481 Pittsburgh Ave Suite 200(909) 655-0300
Muhammad Hammami MD Inc.
4.5Muhammad Hammami MD Inc. · Gastroenterology Physician
9140 Haven Ave Suite 115(909) 606-4860
Andrea S. Tieng, MD
4.5Andrea S. Tieng · Gastroenterology Physician
10801 Foothill Blvd Suite 106(909) 255-7200
Healthy Kids Pediatrics
4.5Healthy Kids Pediatrics · Pediatric Gastroenterology Physician
9481 Pittsburgh Ave Suite 200(909) 655-0300
Muhammad Bader Hammami, MD
4.5Muhammad Bader Hammami · Gastroenterology Physician
9140 Haven Ave Suite 115(909) 606-4860
Gastroenterologists in Rancho Cucamonga CA 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 Rancho Cucamonga CA — useful if your insurance network extends across the metro.
About finding a gastroenterologist in Rancho Cucamonga CA
Rancho Cucamonga CA has gastroenterologists practicing across hospital systems, group practices, and independent clinics. When choosing a gastroenterologist in Rancho Cucamonga CA, 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 Rancho Cucamonga CA 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 Rancho Cucamonga CA
How much does a visit to a gastroenterologist cost in Rancho Cucamonga CA?+
In-network gastroenterologists in Rancho Cucamonga CA typically run $120–$300 for an initial visit before insurance. Out-of-network rates can be 3–5× higher. Use the insurance filter above to see Rancho Cucamonga CA gastroenterologists who list your specific plan, and confirm acceptance directly with the office before booking.
Are Rancho Cucamonga CA gastroenterologists accepting new patients?+
Most Rancho Cucamonga CA listings indicate new-patient status on the profile. Wait times vary by specialty and insurance; calling the office directly is the fastest way to confirm same-week availability.
Which insurance plans do Rancho Cucamonga CA gastroenterologists list?+
Major plans in include Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings show plans the provider has indicated they accept — always confirm in-network status directly with the office before your appointment.
Do I need a referral to see a gastroenterologist in Rancho Cucamonga CA?+
Most PPO plans in allow direct booking. HMO and many Medicare Advantage plans require a primary-care referral first. Confirm with your insurer or the office before booking.