logo of IDEAL Gastro Associates | Gastroenterologists in San Bernardino County, California

1310 San Bernardino Rd, Suite 103, Upland, CA 91786
10807 Laurel St, Suite 200, Rancho Cucamonga, CA 91730
Phone: 909-920-0444 | Fax: 909-920-5044

Contact Us

If you have a medical emergency, please call 911.

Non-emergency Online Contact Option

Use our secure online form to request an appointment with our office any time on any day. Our office will follow-up with you as soon as possible.

Appointment Request

Contact Information

Both of our offices can be reached at the numbers below.

Phone: 909-920-0444
Fax: 909-920-5044

Upland Office

1310 San Bernardino Rd
Suite 103
Upland, CA 91786

Map & Directions

Rancho Cucamonga Office

10807 Laurel St
Suite 200
Rancho Cucamonga, CA 91730

Map & Directions

Office Hours

Monday - Friday: 8:00 a.m. - 5:00 p.m.


After Hours

After hours, if you have any questions or concerns, please dial 909-920-0444 where our answering service will answer your calls. They will be able to forward the message to the appropriate person.

When calling the office our answering service, please have all of the following information available:

  • Patient's full name
  • Patient's date of birth
  • Nature of the call
  • Phone number where you can be reached
  • Pharmacy phone number
  • Any chronic underlying issues
  • Medication allergies

Welcome to Our Practice

IDEAL Gastro Associates in Upland and Rancho Cucamonga sees patients by appointment, and our staff can address your concerns in English or Spanish. Our team specializes in the prevention, diagnosis and treatment of a variety of gastrointestinal conditions.