William Ko, M.D., FAAD
Specialties
Cosmetic Dermatology
Medical Dermatology
Skin Cancer
Languages I Speak
English
About Me
Dr. Ko graduated from an accelerated six year BS/MD program, The Northeastern Ohio Universities College of Medicine. He finished his undergraduate education in only two years before his allopathic medical school training. Dr Ko graduated with high honors as an Alpha Omega Alpha society inductee, which honors the top 10% medical students in the United States. Moreover, he received the honor of being Vice-President of the Zeta Chapter of this society during his medical school years.
Dr. Ko completed his residency in Dermatology at the prestigious Cleveland Clinic Foundation, one of the top hospitals and research centers in the world. While at the Cleveland Clinic, he served as chief resident in dermatology and worked closely with the highly published and leading recognized experts of dermatological disorders in the world. He also served as vice-president of the Graduate Medical Education Council promoting the growth and knowledge of all residents and fellows at the Cleveland Clinic. His diverse training has carried him over to clinical practice today. He joined Arizona Dermatology in 1998 and has been instrumental in helping to establish this center as one of the premier practices in the state.
Dr. Ko is among the most experienced and well-versed clinical researchers of dermatological disorders in the state of Arizona. He has remained on the cutting edge of medical breakthroughs by participating in over 30 clinical studies and launching over a dozen pharmaceutical products during his career. Medications and treatments which have revolutionized the treatment of diseases ranging from psoriasis, atopic dermatitis, acne, skin cancer, and infectious diseases. In addition, Dr. Ko is acknowledged as being one of the pioneers and key opinion leaders in introducing biologic drugs to dermatology. His training, expertise, and diverse knowledge in dermatological disorders has established him as instrumental in the growth of the specialty that he is so passionate for year after year. He continues to practice both medical dermatology and surgical dermatology to include MOHS surgery. Moreover, He has also been the team dermatologist of the Phoenix Suns and Phoenix Mercury.
Dr. Ko has received many honors in his decorated career and his recognition is unparalleled including Phoenix Magazine’s ‘TOP DOC’ award since 2003, Newsweek magazine’s ‘TOP 150 DERMATOLOGISTS IN THE COUNTRY’ 2022 and 2023, and Castle Connolly’s ‘TOP 7% OF ALL PHYSICIANS IN THE UNITED STATES’ from 2012-present.
Post Grad
- American Academy of Dermatology – Board Certified
- Phoenix Dermatological Society – Past President
- American Society for Mohs Surgery – Fellow
- Arizona Dermatology and Dermatologic Surgery
- American Medical Association
- Clinical Instructor and Preceptor: Midwestern University
- Clinical Instructor and Preceptor: A.T. Still University
Where I Practice
Arizona Dermatology, Phoenix
2224 W. Northern Ave
Suite D-300
Phoenix Arizona 85021
(602) 277-1449
Arizona Dermatology, Show Low
1500 S. White Mountain Rd
Suite 401
Show Low AZ 85901
(928) 537-2550
Arizona Dermatology, Paradise Valley
4835 E. Cactus Rd
Suite 155
Scottsdale AZ 85254
(602) 996-3050

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