Do I really need a ride home and someone to stay with me?

YES. Your surgery will be cancelled if you do not have a ride home. If you received anesthesia or any sedation, you must have someone stay with you for 24 hours after surgery.

Where is Aspen Surgery Center?

Aspen Surgery Center is on the same campus as John Muir Medical Center in Walnut Creek. We are located beneath the parking garage on the Garden Level. It is easiest to access our center from the elevators located in the middle of the parking garage. There is designated parking for Aspen patients on Level 4. Our address is 133 La Casa Via, Suite 150.

Is Aspen Surgery Center part of John Muir?

No. Though we benefit from a close-working relationship with John Muir we are considered a separate facility. Because of this, medical and billing records are not shared.

Why is my arrival time different than what my doctor told me?

Surgery schedules often change for a variety of reasons (equipment requirements, anesthesia, cancellations, etc). We do our best to adhere to original scheduled times, however there can be last minute changes. The time we tell you to arrive during your pre-op phone call is the most current, up-to-date time. Please be aware when scheduling with your surgeon’s office that the time they give you may change.

Will I talk to my anesthesiologist before surgery?

Yes. All anesthesiologists will meet you in pre-op before you go into your surgery to answer any questions or concerns you may have. Parents of pediatric patients can expect a phone call from the anesthesiologist the night before surgery.

Do I really have to go online to complete my health history?

We strongly encourage you to complete your health history online using It is electronically safe and secure. Completing this history gives us important information so we can ensure your safety as a patient. As an added benefit, the information you enter becomes yours to update, edit, and print for other physicians. You will be given a password for the site, allowing you continual management of your health history.
If you are unable to complete this form, a pre-operative nurse will obtain your health history over the phone two days prior to surgery. Please be prepared to go over your health history and medications in detail during that time.

Why can't I drink water or chew gum?

Anything that has the potential to increase gastric secretions (i.e. mints, chewing gum, drinking water) increases the risk of aspiration, which can lead to respiratory complications intra- or post-operatively.

What medications can I take the day of surgery?

If you normally take your heart, blood pressure, reflux, Parkinson’s or anti-seizure medications in the morning, please do so with a small sip of water.

I'm diabetic and concerned about fasting and taking my medications - what do I do?

Diabetic patients should NOT take their oral or injectable medications the morning of surgery. If you are concerned about becoming hypoglycemic you may come to the center early where we can check your blood sugar and administer IV fluids if necessary. Some patients may be advised to reduce their dose of long-acting insulin the night before surgery; please check with your primary care physician or endocrinologist.

May I have visitors while I am a patient at Aspen Surgery Center?

Yes, but please limit the number of people who accompany you to the center. We suggest no more than two visitors per patient. Please note that visitors are not always permitted in the clinical areas (pre- and post-op) for the entire duration of your stay.

What forms of payment do you accept?
  • We accept the following major credit cards: Visa, MasterCard, Discover, and American Express.
  • We accept cash, but require that it be exact change.
  • Cashier’s checks and money orders can be made out to Aspen Surgery Center.
  • Personal checks exceeding $500.00 will not be accepted.

Attention patients: There is a risk that information sent electronically unless encrypted can be intercepted and therefore should use caution when electing to do so or deliver information in person, via US mail or requesting your healthcare provider to send securely on your behalf.