4.5
23 Ratings with 1 written Review
Summary
Dr. Karynne Duncan treats melanocytic nevus, dysplastic nevi, and seborrheic keratosis, and performs cryotherapy for skin lesions, laser therapy for skin lesions, and skin lesion treatment or removal. She practices dermatology and internal medicine and has 34 years of experience. Dr. Duncan is affiliated with Adventist Health Saint Helena in Saint Helena, California.
She completed her residency at Yale University School of Medicine and earned her medical degree from the University of Colorado School of Medicine. She speaks English and Spanish. Patients on Vitals rate Dr. Duncan 4.48 out of 5.
She completed her residency at Yale University School of Medicine and earned her medical degree from the University of Colorado School of Medicine. She speaks English and Spanish. Patients on Vitals rate Dr. Duncan 4.48 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 34 years of experience
- speaks English, Spanish
- Yale University School Of Medicine
- 1 written review
- 2 specialties
- 12 areas of expertise
- 1 hospital affiliation
- 3 office locations
- Female
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Karynne Oconnell Duncan has 3 locationsDuncan Dermatology
1104 Adams St Ste 201Saint Helena, CA 94574 Tel: (707) 967-0800
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Dr. Karynne Oconnell Duncan
1104 Adams St Ste 201Saint Helena, CA 94574 Tel: (707) 967-0800
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Karynne Oconnell Duncan, MD | Dr. Julia Kwan, MD | Dr. Jonathan Carp, MD | Dr. Anne E Allen, MD |
| Dermatology | Dermatology | Dermatology | Dermatology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 34 Years of Experience | 14 Years of Experience | 26 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English |
| Saint Helena , CA | Rancho Palos Verdes , CA | Delray Beach , FL | Knoxville , TN |
| Med School: University Of Colorado School Of Medicine | Med School: New York University | Med School: Rutgers Medical School | Med School: University Of Michigan Medical School |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Karynne Oconnell Duncan
Medical Specialties
Dr. Karynne Oconnell Duncan has the following 2 specialties
Specialty Expertise
Dr. Karynne Oconnell Duncan has the following 12 areas of expertise
Certifications, License, & Education
34 Years Experience
Dr. Karynne Oconnell Duncan holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at Yale University School Of Medicine.
Medical School
Graduated from University Of Colorado School Of Medicine in 1992.
NPI Number
Dr. Duncan's NPI number is 1548235617.
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Frequently Asked Questions
- Where is Dr. Karynne Duncan's office located?
- Dr. Karynne Duncan's office is located at 1104 Adams St Ste 201, Saint Helena, CA, 94574.
- Does Dr. Karynne Duncan accept my insurance?
- You can see the insurance plans that Dr. Karynne Duncan accepts on their Vitals profile.
- Is Dr. Karynne Duncan accepting new patients?
- Dr. Karynne Duncan is accepting new patients on Vitals. View Dr. Karynne Duncan's profile on Vitals to make an appointment.
- Does Dr. Karynne Duncan accept virtual/telehealth appointments?
- Dr. Karynne Duncan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. Karynne Duncan speak?
- Dr. Karynne Duncan speaks English and Spanish.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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