Listings >> INTERNAL MEDICINE HUMAYUN ABBAS, M.D. (209) 577-3388 Address: 1541 FLORIDA AVENUE STE 200 MODESTO CA 95350 Gender: MALE Board Certified: YES Medical School: DOW MEDICAL SCHOOL Internship: UNIVERSITY OF OK Residency: UNIVERSITY OF OK Fellowship: Medical Group: Accepting New Patients: YES 1541 Florida Avenue, Modesto 95350 Get directions INTERNAL MEDICINE M-F 8:00 - 5:00