Medical school: LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated: 2013
NPI: 1194159319
Practice Locations (2)
TIMOTHY S JOHNSTON MD PC
3349 G ST, SUITE F
MERCED, CA 953400978
20934984592245
GOLDEN VALLEY HEALTH CENTERS
3940 SANDPIPER AVE
MERCED, CA 953408372
2097224842
Source: CMS National Downloadable File, September 2026.