To find your doctor, please use the search options below: Search Again Search Results - Last Name Begins With: I 2 Physician(s) displayed. Fernando Ibarra M.D. 850 S. Atlantic Blvd. Monterey Park, CA 91754 (626) 284-1350 Gastroenterology View Profile Katherine A. Irvin M.D. (323) 201-6800 Physician Assistant View Profile 2 Physician(s) displayed.