Charlene Duncan
NPI 1861213613 · Case Manager/Care Coordinator · Clearlake Oaks, CA
Charlene Duncan is a Case Manager/Care Coordinator provider in Clearlake Oaks, CA (NPI 1861213613).
Provider details
- NPI number
- 1861213613
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- MPSS-HVAZEK (CA)
Specialties & taxonomies
Other Service Providers
Other Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 6316 E Highway 20Lucerne, CA 95458-7801Phone: (707) 274-5610
Registry dates
- Enumerated
- 2024-10-23
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Charlene Duncan's NPI number?
- Charlene Duncan's National Provider Identifier (NPI) is 1861213613, 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 Case Manager/Care Coordinator (Other Service Providers).
- Where is Charlene Duncan located?
- Charlene Duncan's practice location on file with NPPES is 14715 E. Hwy 20, Clearlake Oaks, CA 95423.
- What is Charlene Duncan's phone number?
- The practice phone number listed in the NPPES registry for Charlene Duncan is (707) 998-1800.
- Is Charlene Duncan's NPI active?
- Yes — Charlene Duncan's NPI (1861213613) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.