Dayoung Ko, MD
Physician
Locations
Duke Trained + Medical and Aesthetic
Why Patients Trust Dr. Ko
- Dayoung Ko, MD is a board-certified dermatologist who provides comprehensive dermatologic care — acne, eczema and psoriasis, plus skin cancer screenings and surgeries.
- She earned both her undergraduate degree in Biology and Psychology, graduating with distinction, and her medical degree at Duke University, then completed her dermatology residency at Henry Ford Hospital in Detroit.
- She is also highly skilled in aesthetic dermatology: Botox and other neurotoxins for fine lines, wrinkles and hyperhidrosis; dermal fillers for volume restoration and contouring; and skin rejuvenation with lasers and chemical peels.
- She takes pride in personalized treatment plans built around each patient’s skin type, background and individual beauty goals rather than a single house style.
- She sees patients at both the Los Gatos and Mountain View offices.
Meet Dr. Dayoung Ko
Dayoung Ko, MD is a board-certified dermatologist who loves helping patients feel confident in their skin. She earned her undergraduate degree in Biology and Psychology from Duke University, graduating with distinction, and went on to complete her medical degree at Duke as well. After her intern year in Internal Medicine at Lenox Hill Hospital in New York City, she completed her Dermatology residency at Henry Ford Hospital in Detroit.
Dr. Ko provides comprehensive dermatologic care, treating conditions such as acne, eczema, and psoriasis, and performing skin cancer screenings and surgeries. She is also highly skilled in aesthetic dermatology, offering Botox and other neurotoxins for fine lines, wrinkles, and hyperhidrosis; dermal fillers for volume restoration and contouring; and skin rejuvenation with lasers and chemical peels. She takes pride in creating personalized treatment plans that reflect each patient’s skin type, background, and individual beauty goals.
Outside the office, Dr. Ko enjoys fashion, interior design, and traveling. She is also learning to golf with her husband and can often be found at the dog park with their mini goldendoodle, Astor.
Read the latest press coverage featuring Golden State Dermatology.
View In The Media
Eczema October 5, 2026
5 Reasons Your Eczema Treatment Isn’t Working and What to Try Instead
Skin Cancer October 2, 2026
Can You Speed Up Healing After Mohs?
Skincare September 15, 2026
Is Castor Oil Good For Your Skin?
Dermatology Blog September 15, 2026
What Is the Difference Between a Dermatopathologist and a Regular Pathologist
News And Events September 3, 2026
Golden State Dermatology Expands into Colorado with Acquisition of Summit Dermatology
Dermatology Blog September 1, 2026