Karynne O. Duncan, M.D., Inc
NPI 1114037397 · Dermatology Physician · Saint Helena, CA
Karynne O. Duncan, M.D., Inc is a Dermatology Physician organization in Saint Helena, CA (NPI 1114037397).
Provider details
- NPI number
- 1114037397
- Entity type
- Organization
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Karynne Duncan, President(707) 967-0800
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2015-11-24
Frequently asked questions
- What is Karynne O. Duncan, M.D., Inc's NPI number?
- Karynne O. Duncan, M.D., Inc's National Provider Identifier (NPI) is 1114037397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Karynne O. Duncan, M.D., Inc?
- Karynne O. Duncan, M.D., Inc is classified in the NPPES registry as Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Karynne O. Duncan, M.D., Inc located?
- Karynne O. Duncan, M.D., Inc's practice location on file with NPPES is 1104 Adams St, Saint Helena, CA 94574-1164.
- What is Karynne O. Duncan, M.D., Inc's phone number?
- The practice phone number listed in the NPPES registry for Karynne O. Duncan, M.D., Inc is (707) 967-0800.
- Who is the authorized official for Karynne O. Duncan, M.D., Inc?
- The authorized official listed on Karynne O. Duncan, M.D., Inc's NPPES record is Karynne Duncan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Karynne O. Duncan, M.D., Inc's NPI active?
- Yes — Karynne O. Duncan, M.D., Inc's NPI (1114037397) is active in the NPPES registry as of the last update on 2015-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.