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CHARLENE JEAN DUNCAN
NPI 1861213613
Case Manager/Care Coordinator in Clearlake Oaks, CA

Active since October 23, 2024
14715 E. HWY 20, CLEARLAKE OAKS, CA 95423(707) 998-1800 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 13, 2026, Mar 19, 2026 (2 updates tracked since 2026).

About Charlene Jean Duncan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLENE JEAN DUNCAN (NPI 1861213613) is an individual case manager/care coordinator provider in Clearlake Oaks, California, licensed in California (MPSS-HVAZEK) and active in the NPI registry since October 2024. She maintains a secondary practice location in Lucerne.

NPPES Registry Identity

NPI1861213613
Entity TypeIndividualFemale
Primary Taxonomy171M00000X
Provider Legal NameCHARLENE JEAN DUNCAN
Location Address14715 E. HWY 20Clearlake Oaks, CA 95423
Mailing AddressPo Box 316Lucerne, CA 95458-0316 · (707) 998-1800
Phone(707) 998-1800
Sole ProprietorNo
Enumeration DateOctober 23, 2024
Last NPPES UpdateApril 13, 20262 updates tracked since enumeration
NPPES CertifiedApril 13, 2026
✔ NPI 1861213613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCase Manager/Care CoordinatorOther Service Providers
Taxonomy Code171M00000X
License✔ Licensed in CA · MPSS-HVAZEK
Definition
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.
Also ListedCommunity Health WorkerTaxonomy 172V00000X · License MPSS-HVAZEK (CA)
Also ListedPeer SpecialistTaxonomy 175T00000X · License MPSS-HVAZEK (CA)
14715 E. HWY 20, Clearlake Oaks, CA 95423
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Secondary Practice Location 1

Location 16316 E Highway 20Lucerne, CA 95458-7801 · Phone (707) 274-5610

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SEAN SULLIVAN
Counselor (Addiction (Substance Use Disorder))
14715 E. HWY 20
CLEARLAKE OAKS, CA 95423
Lake County (707) 998-1800
TIFFANY FAWN BOGGS
Case Manager/Care Coordinator
14715 E. HWY 20, 14725 CATHOLIC CHURCH RD.
CLEARLAKE OAKS, CA 95423
Lake County (707) 998-1800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charlene Duncan's NPI number?

The NPI number for Charlene Duncan is 1861213613. It was assigned to this individual provider in the NPPES registry on October 23, 2024.

Where is Charlene Duncan located?

Charlene Duncan practices at 14715 E. Hwy 20, Clearlake Oaks, CA 95423. The listed phone number is (707) 998-1800.

What is Charlene Duncan's specialty?

The primary specialty registered for this NPI is Case Manager/Care Coordinator with taxonomy code 171M00000X.

When was this NPI record last updated?

The NPPES record for Charlene Duncan was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.