Medical Services

Our expert providers evaluate and manage a broad range of skin, hair and nail disorders, from acne to difficult-to-treat conditions.

Cosmetic Services

Our highly trained providers offer the latest procedures and treatments to help you look your best.

Skin Care Services

We specialize in science-based therapies using the highest quality skin care products to help create more youthful and healthier skin.


Meet the providers and staff at Duncan Dermatology.

For your convenience please print and complete prior to your appointment.

Contact Us

1104 Adams St. # 201
St. Helena, CA 94574
(707) 967-0800 (phone)

(707) 967-0870 (fax)
Hours: Mon - Fri: 9am - 5pm