Listings >> FAMILY MEDICINE TIMOTHY JOHNSTON, M.D. (209) 349-8459 Address: 3349 G STREET STE F MERCED CA 95340 Gender: MALE Board Certified: YES Medical School: U OF NEW MEXICO Internship: MERCED COMMUNITY MEDICAL CTR Residency: SUTTER MERCED Fellowship: Medical Group: Accepting New Patients: YES 3349 G Street, Merced 95340 Get directions FAMILY MEDICINE M-F 8:00 - 5:00