MS. MARY NICKEL-NGUY MSSW, LICSW
NPI 1417401910
Social Worker - Clinical in North Highlands, CA

Active since August 12, 2016
4815 WATT AVE, NORTH HIGHLANDS, CA 95660(916) 569-8484 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 2, 2025, Jul 10, 2019, Sep 27, 2016 and 1 more (4 updates tracked since 2016).

About Ms. Mary Nickel-nguy Mssw, Licsw NPPES

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

MS. MARY NICKEL-NGUY MSSW, LICSW (NPI 1417401910) is an individual clinical provider in North Highlands, California, licensed in California (77775) and active in the NPI registry since August 2016. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1417401910
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MARY NICKEL-NGUYCredential: MSSW, LICSW
Location Address4815 WATT AVENorth Highlands, CA 95660-5108
Mailing Address1860 Howe Ave Ste 440Sacramento, CA 95825-1098 · (916) 569-8484
Sole ProprietorNo
Enumeration DateAugust 12, 2016
Last NPPES UpdateDecember 2, 20254 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
NPI 1417401910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in CA · 77775 Licensed in WA · LW 60330023
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4815 WATT AVE, North Highlands, CA 95660

Other Names 1

Former Name (1)Ms. Mary Nguy Mssw, Lcsw

Secondary Practice Locations 2

Location 13065 Freeport Blvd Ste 8Sacramento, CA 95818-4347 · Phone (206) 491-9710
Location 21600 E Jefferson St, Suite 600Seattle, WA 98122-5698 · Phone (206) 215-4545 · Fax (206) 215-4550

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.

Pediatrics
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Dentist (General Practice)
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Dentist (General Practice)
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Pediatrics
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Internal Medicine
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Dentist
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Dentist (General Practice)
4815 WATT AVE
NORTH HIGHLANDS, CA 95660
Physician Assistant
4815 WATT AVE
NORTH HIGHLANDS, CA 95660

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 Mary Nickel-nguy's NPI number?

The NPI number for Mary Nickel-nguy is 1417401910. It was assigned to this individual provider in the NPPES registry on August 12, 2016. The provider is also known as Ms. Mary Nguy Mssw, Lcsw.

Where is Mary Nickel-nguy located?

Mary Nickel-nguy practices at 4815 Watt Ave, North Highlands, CA 95660. The listed phone number is (916) 569-8484.

What is Mary Nickel-nguy's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Mary Nickel-nguy was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.