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Dr. William C. Lillydahl, MD


  • (303) 440-3000

Dr. Lillydahl's Overview

Dr. William C. Lillydahl graduated from the Duke University School of Medicine in 1974. He works in Boulder, CO and specializes in Otolaryngology. Dr. Lillydahl is affiliated with Avista Adventist Hospital and Boulder Community Hospital.

Gender: Male

Languages Spoken: English

Dr. Lillydahl's Experience

Years in Practice: 41

Conditions Treated by Dr. Lillydahl

Procedures Performed by Dr. Lillydahl

Dr. Lillydahl's Specialties


Dr. Lillydahl's Education & Training

Medical School: Duke University School of Medicine; Graduated 1974

Dr. Lillydahl's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Anthem PPO
  • BCBS Blue Card PPO
  • CIGNA Open Access
  • Cofinity PPO
  • View More

Dr. Lillydahl's Office Information & Appointments

Office Locations

Boulder Medical Center

2750 Broadway St
Boulder, CO 80304
(303) 440-3000


Office Hours and Information

Fax: (303) 449-9380

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:00 PM
Wednesday 8:30 AM - 5:00 PM
Thursday 8:30 AM - 5:00 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Lillydahl's Practice

Dr. Lillydahl's Hospital Affiliations

Office Locations