SYDNEY DUNCAN
NPI 1053999243
Counselor - Mental Health in Santa Ana, CA

Active since March 30, 2021
18221 E 17TH ST, SANTA ANA, CA 92705(714) 730-0930 Get Directions Write a Review

NPPES record last updated: August 23, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 23, 2021, Mar 30, 2021 (2 updates tracked since 2021).

About Sydney Duncan NPPES

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

SYDNEY DUNCAN (NPI 1053999243) is an individual mental health provider in Santa Ana, California and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1053999243
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameSYDNEY DUNCAN
Location Address18221 E 17TH STSanta Ana, CA 92705-2676
Mailing Address18221 E 17th StSanta Ana, CA 92705-2676 · (714) 730-0930
Sole ProprietorNo
Enumeration DateMarch 30, 2021
Last NPPES UpdateAugust 23, 20212 updates tracked since enumeration
NPPES CertifiedAugust 23, 2021
NPI 1053999243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
18221 E 17TH ST, Santa Ana, CA 92705

Other Providers at the Same Location NPPES 20

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

Rehabilitation Practitioner
18221 E 17TH ST
SANTA ANA, CA 92705
Residential Treatment Facility, Emotionally Disturbed Children
18221 E 17TH ST
SANTA ANA, CA 92705
Social Worker
18221 E 17TH ST
SANTA ANA, CA 92705
Marriage & Family Therapist
18221 E 17TH ST
SANTA ANA, CA 92705
Residential Treatment Facility, Emotionally Disturbed Children
18221 E 17TH ST
SANTA ANA, CA 92705
Community Health Worker
18221 E 17TH ST
SANTA ANA, CA 92705
Rehabilitation Practitioner
18221 E 17TH ST
SANTA ANA, CA 92705
Marriage & Family Therapist
18221 E 17TH ST
SANTA ANA, CA 92705

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 Sydney Duncan's NPI number?

The NPI number for Sydney Duncan is 1053999243. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is Sydney Duncan located?

Sydney Duncan practices at 18221 E 17th St, Santa Ana, CA 92705. The listed phone number is (714) 730-0930.

What is Sydney Duncan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Sydney Duncan was last updated on August 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.