(844) 274-8497

Billing Information

Welcome to the Mark Twain Medical Center Online Business Office. The Online Business Office was created to provide you with information about the hospital billing process and financial resources available to you.

Online Business Office Resources

Pay Your Bill

We offer a variety of options, and will assist you in making payment arrangements.

To pay your bill online, please click here.

For your convenience, we offer the following additional payment options: 

  • Cash
  • Check
  • VISA
  • MasterCard
Pay in Person or By Mail
Payments can be made in person at our business offices from 8:00 a.m. to 4:30 p.m. Monday through Friday.

Mark Twain Medical Center
768 Mountain Ranch Road
San Andreas, California 95249


Centralized Business Office
49 West Yokuts
Stockton, CA 95207

You may also mail your payment to:
Mark Twain Medical Center
P.O. Box 60000
File #73494
San Francisco, CA 94160-3494

To make a payment by telephone or if you need need assistance with payment arrangements, please contact our Customer Service Department at 800.400.3045 (toll free) or 209.956.4400.