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Dermatologist (skin)
21 years of experience
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).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. William Kwan is Excellent. Dr. Kwan has been reviewed by 8 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 3.7
Courteous Staff 5.0
Accurate Diagnosis 4.3
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. William Kwan, MD is board certified in Dermatology.

  • He has special expertise in 5 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. Kwan graduated from University of Southern California , Los Angeles. He has 1 awards.

Patients' Choice Award (2008)


Dr. Kwan has 6 hospital affiliations:

  • UCSF Medical Center / Moffitt-Long Hospitals 
  • John Muir Medical Center, Walnut Creek Campus 


  • English

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Additional Information
Dr. William Warren Kwan MD is a male Dermatologist, has 21 years of experience and practices in Dermatology.
Where does Dr. William W. Kwan practice?
Dr. William Kwan has 3 office locations.
Dr. William Kwan practices Dermatology near San Francisco, CA.
See San Francisco Dermatologists.