ALYSSA NGUYEN
NPI 1386109601
Occupational Therapist in Costa Mesa, CA

Active since January 31, 2019
3186 AIRWAY AVE STE A, COSTA MESA, CA 92626(714) 881-0427 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 10, 2025, Jan 10, 2022, Jan 31, 2019 (3 updates tracked since 2019).

About Alyssa Nguyen NPPES

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

ALYSSA NGUYEN (NPI 1386109601) is an individual occupational therapist in Costa Mesa, California, licensed in California (23172) and active in the NPI registry since January 2019. She is a graduate of Other (2021).

NPPES Registry Identity

NPI1386109601
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameALYSSA NGUYEN
Location Address3186 AIRWAY AVE STE ACosta Mesa, CA 92626-4650
Mailing Address3186 Airway Ave Ste ACosta Mesa, CA 92626-4650 · (714) 595-0471
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 31, 2019
Last NPPES UpdateDecember 10, 20253 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
NPI 1386109601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License Licensed in CA · 23172
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
Also ListedAssistant Behavior AnalystTaxonomy 106E00000X
3186 AIRWAY AVE STE A, Costa Mesa, CA 92626

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alyssa Nguyen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3072010529
PECOS Enrollment IDI20251009002315

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.

Behavior Analyst
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Analyst
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Analyst
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Analyst
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Analyst
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Analyst
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Technician
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626
Behavior Technician
3186 AIRWAY AVE STE A
COSTA MESA, CA 92626

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 Alyssa Nguyen's NPI number?

The NPI number for Alyssa Nguyen is 1386109601. It was assigned to this individual provider in the NPPES registry on January 31, 2019.

Where is Alyssa Nguyen located?

Alyssa Nguyen practices at 3186 Airway Ave Ste A, Costa Mesa, CA 92626. The listed phone number is (714) 881-0427.

What is Alyssa Nguyen's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Alyssa Nguyen enrolled in Medicare?

Yes. Alyssa Nguyen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Nguyen was last updated on December 10, 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.