Summary

Dr. William Ryan treats oral cancer, head and neck cancer, and dysphagia, and performs fiberoptic pharyngoscopy, flexible laryngoscopy, and cranial ultrasound. He practices otolaryngology–head and neck surgery and has 21 years of experience.

Board-certified in otolaryngology by the American Board of Otolaryngology, Dr. Ryan earned his medical degree from Stanford University and completed residency training at Stanford University Medical Center and a fellowship at UCSF. He is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights, University of California San Francisco Medical Center at Mount Zion, UCSF Health St. Mary's Hospital, CPMC Van Ness Campus, Stanford Health Care, Stanford Hospital, and UCSF Betty Irene Moore Women's Hospital, and sees patients in San Francisco, California.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 21 years of experience
  • 53 insurance plans accepted
  • speaks English
  • UCSF
  • 10 written reviews
  • 1 specialty
  • 9 areas of expertise
  • 1 board certification
  • 8 hospital affiliations
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Oral Dysplasia Program

1825 4th St # 5San Francisco, CA 94143

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William R. Ryan, MDDr. Romeo Crane Agbayani JR., MDDr. Robson Capasso, MDDr. Pedro Martins Gomes de Oliveira, MD
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
3.8 
4.5 
0 
21 Years of Experience 33 Years of Experience 31 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English
San Francisco , CAGreenbrae , CARedwood City , CARedwood City , CA
Med School: Stanford Universit Med School: Tufts University School Of Medicine Med School: Universidade Federal Do Parana (Ufpr) Faculdade De Medicina
Current Profile
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Insurance Plans Accepted by William R. Ryan

  • AARP
  • Aetna
  • Aetna - HMO
  • Alameda Alliance for Health
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AllCare Health
  • AllCare Health - IPA
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield of North Carolina
  • Blue Cross Blue Shield of Oklahoma
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Central California Alliance for Health
  • Central California Alliance for Health - HMO
  • Central California Alliance for Health - Medicaid (Managed)
  • Chinese Community Health Plan
  • Cigna
  • Contra Costa Health Plan
  • Empire Plan
  • Empire Plan - HMO
  • Health Net
  • Health Net - HMO
  • Health Plan of San Joaquin
  • Health Plan of San Joaquin - Medicaid (Managed)
  • Health Plan of San Mateo
  • Health Plan of San Mateo - Medicaid
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Imperial Health Plan of California
  • Kaiser Permanente
  • Magellan Health
  • Medicaid
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Santa Clara Family Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sutter Health Plus
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

William R. Ryan has the following specialty

Specialty Expertise

William R. Ryan has the following 9 areas of expertise

  • Allergies
  • Chronic Sinusitis
  • Deviated Septum
  • Facial Trauma
  • Hearing Loss
  • Polyps
  • Smell Disorders
  • Swallowing Disorders
  • Tumors

Certifications, License, & Education

21 Years Experience

William R. Ryan holds an expired medical license in the state of California. They are board certified in Otolaryngology by the American Board of Otolaryngology.

Board Certifications

Board certified in Otolaryngology by the American Board of Otolaryngology.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Fellowship

Completed their fellowship at UCSF in 2011.

Residency

Completed their residency at Stanford University Medical Center-GME in 2010 and Stanford University Medical Center-GME in 2006.

Medical School

Graduated from Stanford Universit in 2005.

NPI Number

William R. Ryan's NPI number is 1184811549.

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Frequently Asked Questions

Does William Ryan accept virtual/telehealth appointments?
William Ryan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does William Ryan speak?
William Ryan speaks English.
Does William Ryan accept my insurance?
You can see the insurance plans that William Ryan accepts on their Vitals profile.
How can I make an appointment with William Ryan?
You can find contact information for William Ryan here on Vitals.
Which hospitals is William Ryan affiliated with?
William Ryan is affiliated with Ucsf Helen Diller Medical Center At Parnassus Heights, University Of California San Francisco Medical Center At Mount Zion, Ucsf Health St Marys Hospital, Cpmc Van Ness Campus, Stanford Health Care, Stanford Medicine Pediatrics, Stanford Hospital, and Ucsf Betty Irene Moore Womens Hospital.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Board certification bodies (such as ABMS)
  • Healthcare system and provider network data

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