KAITLYN LIEN NGUYEN PA
NPI 1982360913
Physician Assistant in Tustin, CA

Q: What is Kaitlyn Nguyen's NPI number?

The NPI number for Kaitlyn Nguyen is 1982360913. It was assigned to this individual provider in the NPPES registry on November 15, 2021.

Q: What is Kaitlyn Nguyen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Kaitlyn Nguyen was last updated on October 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 15, 2021PECOS Enrolled

661 W 1ST ST STE G, TUSTIN, CA 92780(714) 665-9890(714) 665-9891 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 5, 2024, Nov 15, 2021 (2 updates tracked since 2021).

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About Kaitlyn Lien Nguyen Pa NPPES

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

KAITLYN LIEN NGUYEN PA (NPI 1982360913) is an individual physician assistant in Tustin, California, licensed in California (PA61097) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1982360913

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKAITLYN LIEN NGUYENCredential: PA

Location Address661 W 1ST ST STE GTustin, CA 92780-2939

Mailing Address661 W 1st St Ste GTustin, CA 92780-2939 · (714) 665-9890 · Fax (714) 665-9891

Phone(714) 665-9890

Fax(714) 665-9891

Sole ProprietorYes

Enumeration DateNovember 15, 2021

Last NPPES UpdateOctober 23, 20252 updates tracked since enumeration

NPPES CertifiedOctober 23, 2025

✔ NPI 1982360913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · PA61097

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

661 W 1ST ST STE G, Tustin, CA 92780

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Secondary Practice Locations 2

Location 19918 Katella Ave Ste A-CAnaheim, CA 92804-6465 · Phone (714) 644-9494 · Fax (714) 644-9894

Location 211180 Warner Ave Ste A-CFountain Valley, CA 92708-7501 · Phone (714) 698-6789 · Fax (714) 202-2626

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92780 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.