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.


Pricing Procedure Information

Dignity Health believes health care is a fundamental human right and should be accessible to all. That means making sure care is affordable. Dignity Health offers one of the most generous financial assistance policies in the nation, with free and discounted care to families that need it most. We also help uninsured patients apply for government or private insurance.

Dignity Health understands medical bills are complex and can be confusing. The information on this website will help guide you to better understand the care you receive and how much it costs. We are committed to transparency and helping our patients understand the services they receive and how they are billed.


Download a list of our standard charges for medical services here. In most cases, these charges do not reflect the price you would pay for these services, and are adjusted based on your insurance coverage and financial assistance you may be eligible for.

· For estimated cost of services and charges, contact 888-488-7667. At your request, we can provide actual cost estimates for services in advance of treatment.

· For general billing questions, click here

· For financial assistance, click here.