Sean O’Connor, MD

Anesthesiologists

Sean O’Connor, MD is a Board Certified Anesthesiologist who has been practicing anesthesia in Colorado since 2007. He grew up in Denver, went to college in Connecticut and then returned to Colorado for medical school at the University of Colorado Health Sciences Center. He completed residency in anesthesiology at the University of California San Francisco (UCSF).

Education

  • Residency: University of California San Francisco
  • Medical School: University of Colorado Health Sciences Center

Board Certifications

  • The American Board of Anesthesiology

Memberships & Organizations

  • American Society of Anesthesiologists
  • Colorado Society of Anesthesiologists
  • Society for Ambulatory Anesthesia

– ANNOUNCEMENT –
Effective 01/01/2026

UnitedHealthcare Medicare plans require an authorized referral from your Primary Care Provider (PCP).

We will honor existing appointments through 03/01/2026 without authorization. However, any planned or ongoing treatment may be delayed if authorization is not received (IE: MRI, Surgery, PT/OT).

Please contact your PCP as soon as possible to obtain an authorization if you wish to be seen today or to avoid delays in care.