According to Orthopedic Medical Group’s website, the only office listed is their new location at:
4354 Latham Street
Riverside, CA 92501
(951) 683-0650

It was formerly at
6800 Brockton Ave.
Riverside, Ca 92506
Phone: 951-683-0650

At some point, the following locations were all associated with Orthopedic Medical Group (per their own website). Personally, I would avoid anyone that has ever been involved with Dr. John Gonzalez or Orthopedic Medical Group.
The other locations are/were
Lake Arrowhead
29099 Hospital Road, Suite# 112
Lake Arrowhead, Ca 92352.
Phone: 909-337-9300
Fax: 909-337-6440.

Moreno Valley
6485 Day Street Suite# 301
Riverside, Ca 92507
Phone: 951-653-0760
Fax: 951-653-1112

San Bernardino
399 E. Highland Ave, Suite# 409
San Bernardino, Ca 92404
Phone: 909-883-3883
Fax: 909-883-5884