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STACY CHANG
NPI 1821978453
Nurse Practitioner - Psychiatric/Mental Health in Irvine, CA

Active since September 04, 2025
6670 ALTON PKWY, IRVINE, CA 92618(949) 932-5150 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2026, Sep 4, 2025 (2 updates tracked since 2025).

About Stacy Chang NPPES

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

STACY CHANG (NPI 1821978453) is an individual psychiatric/mental health provider in Irvine, California, licensed in California (95038457) and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1821978453
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSTACY CHANG
Location Address6670 ALTON PKWYIrvine, CA 92618-3734
Mailing Address6670 Alton PkwyIrvine, CA 92618-3734
Phone(949) 932-5150
Sole ProprietorYes
Enumeration DateSeptember 4, 2025
Last NPPES UpdateApril 7, 20262 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
✔ NPI 1821978453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95038457
Also ListedRegistered NurseTaxonomy 163W00000X · License 615341 (CA)
6670 ALTON PKWY, Irvine, CA 92618
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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.

KAISER PERMANENTE
Health Maintenance Organization
6670 ALTON PKWY, ANESTHESIOLOGY DEPARTMENT 2ND FLOOR
IRVINE, CA 92618
Orange County (832) 368-1976
BEATRIZ SIMONS PA
Physician Assistant (Surgical)
6670 ALTON PKWY
IRVINE, CA 92618
Orange County (949) 932-5105
MRS. THUY DUONG TRUONG LE PHARM.D.
Pharmacist
6670 ALTON PKWY
IRVINE, CA 92618
Orange County (949) 932-5090
DR. GEORGE YUEN M.D.
Internal Medicine (Pulmonary Disease)
6670 ALTON PKWY
IRVINE, CA 92618
Orange County (888) 988-2800
TIFFANIE THY DO M.D.
Internal Medicine (Hematology & Oncology)
6670 ALTON PKWY
IRVINE, CA 92618
Orange County (833) 574-2273
CLAIRE LOURDES A GERONA
Physical Therapist
6670 ALTON PKWY
IRVINE, CA 92618
Orange County (833) 574-2273
DR. ALI M SOLTANI M.D.
Surgery (Plastic and Reconstructive Surgery)
6670 ALTON PKWY, MEDICAL OFFICE BUILDING 1
IRVINE, CA 92618
Orange County (949) 932-5938
ROBERT EVAN TUCHLER MD
Plastic Surgery
6670 ALTON PKWY, SAND CANYON MEDICAL OFFICE, SUITE 4110
IRVINE, CA 92618
Orange County (949) 932-5126

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 Stacy Chang's NPI number?

The NPI number for Stacy Chang is 1821978453. It was assigned to this individual provider in the NPPES registry on September 4, 2025.

Where is Stacy Chang located?

Stacy Chang practices at 6670 Alton Pkwy, Irvine, CA 92618. The listed phone number is (949) 932-5150.

What is Stacy Chang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Stacy Chang was last updated on April 7, 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.