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Dr. William Ko, MD
Dermatologist (skin), Surgical Specialist
18 years of experience
Accepting new patients
Video profile
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 (3)

The overall average patient rating of Dr. William Ko is Excellent. Dr. Ko has been reviewed by 23 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.9
Courteous Staff 4.2
Accurate Diagnosis 5.0
Bedside Manner 4.5
Spends Time with Me 4.5
Follows Up After Visit 4.4

Specialties & Research

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

  • He has special expertise in 18 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Atopic Dermatitis
  • Autoimmune Diseases
  • Bullous Pemphigoid
  • Cutaneous T-Cell Lymphoma (CTCL)
  • Dermal Fillers
  • Discoid Lupus Erythematosus
  • Genetic Skin Diseases
  • Hair Diseases
  • Melanoma
  • Mohs Surgery (Dermatological Surgery)
  • Nail Diseases
  • Oral Lichen Planus
  • Photosensitivity Disorders
  • Psoriasis
  • Psoriatic Arthritis
  • Skin Cancer

Education & Awards

Dr. Ko graduated from Northeastern Ohio Universities, Rootstown. He has 4 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2014 - 2015)
Compassionate Doctor Recognition (2013 - 2015)
Top 10 Doctor - City (2014)
Phoenix, AZ


Dr. Ko has 20 hospital affiliations:

  • John C Lincoln Hospital - Deer Valley 
  • CHANDLER REGIONAL Medical Center 


  • English

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Additional Information
Dr. William T Ko MD is a male Dermatologist, has 18 years of experience and practices in Dermatology, Procedural Dermatology, and MOHS-Micrographic Surgery.
Where does Dr. William T. Ko practice?
Dr. William Ko has 1 office location.
Dr. William Ko practices Dermatology, Procedural Dermatology, and MOHS-Micrographic Surgery near Phoenix, AZ.
See Phoenix Dermatologists and Phoenix Surgeons.