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Quality Health Care To Our Community

We provide services for patients and visitors to make your stay as comfortable and accessible for family and loved ones as possible


Patients & Visitors

For over 60 years, Mark Twain Medical Center has provided compassionate, quality health care to our community. While our technology and medical expertise remain on the forefront of innovation, our role as a caring, dedicated member of this community remains the same. We will always be there with health care and humankindness when you need us most.

COVID-19 Visitor Guidelines

The health and safety of our patients and their loved ones remain a top priority. To ensure everyone’s safety, no visitors will be allowed except:

Comfort Care and Dementia Patients

  • 1 visitor per day
  • No symptoms
  • Case-by-case basis

No visitors for infectious isolation patients. No visitors under the age of 14. All visitor will be screened for symptoms upon arrival.


Photography and recording

Photography and recording are prohibited without permission.

We value the privacy of our patients, visitors and staff. By law, we are required to put safeguards in place to protect all privacy. You may be asked to stop recording at the request of our hospital staff. Visual images solely for the personal use of the patient may be made by the patient or legal guardian in patient rooms at the discretion of the attending physician. However, hospital staff may not be included, unless the staff member has given his or her expressed permission.

For Patients

Our commitment to providing quality health care services with humankindness is the essential relationship we want with each patient. Patients treated with kindness and respect recover faster, whether adults or children.

For Visitors

Please read our COVID-19 Visitor Guidelines prior to coming to our facility.

Frequently Asked Questions

What is the main hospital number?
Our main phone number is (209) 754-3521. We can transfer you to a department within the hospital or a patient room.

Can I register for my hospital stay online?
Yes, to register online, please visit our pre-registration page.

Can I pay my bill online?
Yes, online bill payment is available. Please visit our Billing & Payment section for Frequently Asked Questions and other billing support services.

How can I get a copy of my medical records?
Please visit our Medical Records page.

Where are you located?
Mark Twain Medical Center
768 Mountain Ranch Road
San Andreas, CA 95249

Phone Directory

Mark Twain Medical Center Main Number (209) 754-3521

For services not listed in our phone directory, please call the main number.