Dr. William Francis Lyon MD is a male Family Practitioner, has 47 years of experience and practices in Family Medicine, General Practice, and Aerospace Medicine.
Dr. William Lyon has 2 office locations.
30110 Crown Valley Pkwy
Laguna Niguel, CA 92677

Phone Number
Locations and availability (2)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).


Our records indicate this doctor is retired.

Patient Reviews

  • Currently 2 of 4 stars
Patient comments (1)

The overall average patient rating of Dr. William Lyon is Satisfactory. Dr. Lyon has been reviewed by 6 patients who have provided 1 comments. The rating is 2 out of 4 stars.

Patient Ratings
Ease of Appointment 3.5
  • Currently 3.5 of 4 stars
Promptness 4.0
  • Currently 4 of 4 stars
Courteous Staff 3.3
  • Currently 3.3333333333333 of 4 stars
Accurate Diagnosis 2.0
  • Currently 2 of 4 stars
Bedside Manner 2.0
  • Currently 2 of 4 stars
Spends Time with Me 2.0
  • Currently 2 of 4 stars
Follows Up After Visit 2.0
  • Currently 2 of 4 stars

Specialties & Research

  • He has special expertise in 3 areas:
  • Flu (Human Influenza)
  • Kidney Stones (Kidney Calculi)
  • Urinary Incontinence

Education & Awards

Dr. Lyon graduated from The Ohio State University , Columbus.


Dr. Lyon has 8 hospital affiliations:

  • Mission Hospital 
  • South Coast Medical Center/Adventist Health 

Accepted Insurance Plans

Dr. Lyon accepts these health insurances in at least one office:

  • United Healthcare - 16 plans
  • Blue Shield of California - 90 plans
  • Great-West Healthcare - 1 plan
  • Anthem Blue Cross - 9 plans
  • Evercare - 2 plans
  • Cigna - 6 plans

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Additional Information
Where does Dr. William F. Lyon practice?
Dr. William Lyon practices Family Medicine, General Practice, and Aerospace Medicine near Laguna Niguel, CA.
See Laguna Niguel Family Physicians, Laguna Niguel General Practitioners, and Laguna Niguel Preventive Medicine Specialists.