Dr. Biegel and our staff are devoted to our patients and to the commitment of providing quality patient care on all levels. Call us at any time to learn how we can help you! Access Patient Portal. Office Hours. Monday thru ... Diabetes; Our Location. 1004 W Foothill Blvd Ste 200 Upland, CA 91786 (909) 985-1908 ©2021 Susan Biegel MD. All Rights ....