Now Offering Mohs Surgery in our St. Helena Clinic
Adams Street
Welcome To Golden State Dermatology in St. Helena
Duncan Dermatology in St. Helena
Duncan Dermatology is a Golden State Dermatology affiliate on Adams Street in St. Helena, caring for patients across the Napa Valley. We specialize in medical conditions of the skin, hair, and nails, Mohs micrographic surgery for the treatment of skin cancer, and surgical and non-surgical cosmetic skincare and anti-aging.
We are committed to providing excellent and personalized care to all of our patients — from a first skin check to a treatment plan you follow for years.
Book online for up-to-date availability, or call our St. Helena office at (707) 967-0800.
Have a Skin Concern?
Care for Skin, Hair and Nails
Our St. Helena office on Adams Street sees patients for these medical concerns:
*Convenient or next-day appointments, if calling after 12 PM. Book online for up-to-date availability.


Look and Feel Your Best
Cosmetic Care in the Napa Valley
Our St. Helena office offers these cosmetic treatments:
*Convenient or next-day appointments, if calling before 12 PM. Book online for up-to-date availability.
Our St. Helena Location
Services
Whether you need medical care or want to refresh your appearance, our providers offer a wide range of services. See how we can help your skin look and feel its best.
Convenient Appointments
Take care of your skin on your schedule. Book online to see current availability at our St. Helena office.
Online Forms
Save time by filling out your patient forms before your visit. Download your forms online and come prepared for great care.
Our St. Helena Dermatology Providers

Medical, Surgical and Cosmetic Dermatology
Dermatology Serving the Napa Valley
Now Offering Mohs Surgery in St. Helena
Skin cancer surveillance is central to our practice. Total-body skin exams help us find actinic keratoses, basal cell carcinoma, squamous cell carcinoma and melanoma at their earliest and most treatable stages — and Mohs micrographic surgery, the precise, tissue-sparing treatment for skin cancer, is now offered right here in our St. Helena clinic.
Specialties & Procedures Offered
From acne, rosacea and eczema to complex skin disease and pediatric concerns, our providers build a treatment plan around you. For facials and medical-grade skin care, visit our sister clinic, SkinLab Napa Valley, also on Adams Street.
Our medical dermatology services include:
Our cosmetic treatments include:
