Charlene Duncan
NPI 1356014898 · Marriage & Family Therapist · Fairfield, CA
Charlene Duncan is a Marriage & Family Therapist provider in Fairfield, CA (NPI 1356014898).
Provider details
- NPI number
- 1356014898
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-07-30
- Last updated
- 2023-10-15
- Certified
- 2023-10-15
Frequently asked questions
- What is Charlene Duncan's NPI number?
- Charlene Duncan's National Provider Identifier (NPI) is 1356014898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlene Duncan's specialty?
- Charlene Duncan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Charlene Duncan located?
- Charlene Duncan's practice location on file with NPPES is 1745 Enterprise Dr Bldg 2, Fairfield, CA 94533-5801.
- What is Charlene Duncan's phone number?
- The practice phone number listed in the NPPES registry for Charlene Duncan is (707) 408-4223.
- Is Charlene Duncan's NPI active?
- Yes — Charlene Duncan's NPI (1356014898) is active in the NPPES registry as of the last update on 2023-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.