1. Home
  2. Directory
  3. California
  4. Santa Ana
  5. Nurse Practitioner
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHNNY QUANG NGUYEN MSN, FNP
NPI 1881480788
Nurse Practitioner in Santa Ana, CA

Active since April 17, 2025
801 N TUSTIN AVE STE 706, SANTA ANA, CA 92705(714) 568-6600 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Johnny Quang Nguyen Msn, Fnp NPPES

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

JOHNNY QUANG NGUYEN MSN, FNP (NPI 1881480788) is an individual nurse practitioner in Santa Ana, California, licensed in California (NP95038157) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1881480788
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameJOHNNY QUANG NGUYENCredential: MSN, FNP
Location Address801 N TUSTIN AVE STE 706Santa Ana, CA 92705-3611
Mailing Address9231 Obsidian DrWestminster, CA 92683-7345 · (714) 933-0636
Phone(714) 568-6600
Sole ProprietorYes
Enumeration DateApril 17, 2025
Last NPPES UpdateJune 24, 2026
NPPES CertifiedJune 24, 2026
✔ NPI 1881480788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · NP95038157
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 95226627 (CA)
801 N TUSTIN AVE STE 706, Santa Ana, CA 92705
Open in Google Maps ↗

Other Providers at the Same Location NPPES 5

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

JOHN DEAN BAKER M.D.
Internal Medicine (Interventional Cardiology)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Orange County (714) 568-6600
MALEAH GROVER M.D.
Internal Medicine (Cardiovascular Disease)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Orange County (714) 568-6600
ANNAHITA K SARCON MD
Internal Medicine (Clinical Cardiac Electrophysiology)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Orange County (714) 568-6600
SONIA ELIZABETH ARRIAZA MARROQUIN PA-C
Physician Assistant
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Orange County (714) 568-6600
LAUREN GOMEZ
Physician Assistant (Medical)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Orange County (714) 568-6600

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 Johnny Nguyen's NPI number?

The NPI number for Johnny Nguyen is 1881480788. It was assigned to this individual provider in the NPPES registry on April 17, 2025.

Where is Johnny Nguyen located?

Johnny Nguyen practices at 801 N Tustin Ave Ste 706, Santa Ana, CA 92705. The listed phone number is (714) 568-6600.

What is Johnny Nguyen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Johnny Nguyen was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.