1Edric Willes, MD

Edric Willes, MD

To Schedule an appointment, please call 760-934-2551

Accepting new patients.



Emergency Medicine

Service Line

Emergency Department

Board Certification

American Board of Emergency Medicine


Degree Information

Saint Louis University School of Medicine Residency

Dr. Koehler moved to Mammoth Lakes in 2013 and enjoys skiing, climbing, and mountain biking in the Sierras. He currently serves on the Board of Directors for Mammoth Medical Missions and was instrumental in the group's relief efforts in response to Super-Typhoon Haiyan. More on Dr. Koehler can be found here.

Office Information

Doctor's Contact Information

  • Office Phone: 760-924-4014
  • Fax: 760-924-4146

Office Hours

Monday - Saturday 8:00am - 4:30pm

Closed for Lunch 11:30am-2:00pm


Mammoth Hospital General Surgery

85 Sierra Park Rd.
Mammoth Lakes,California 93546

Main: 760-934-4014.
Fax: 760-934-4146