Contact Us

Thank you for your interest in Cornerstone Physical Therapy.  To connect with a team member for general inquiries, feel free to call one of our clinics or use the form below to reach us directly. We look forward to hearing from you.

Billing Questions

We are a proud member of the Physical Rehabilitation Network (PRN). If you have a question regarding your medical claims or billed services, please call PRN directly at 1-800-929-4776 option 3.

2230 Gladstone Drive, Ste. 200
Pittsburg, CA 94565
Phone: (925) 427-5155
Fax: (925) 427-9552
Monday-Friday 8:00 am – 5:30 pm