LIEN X. NGUYEN PA-C – NPI #1821948183
Physician Assistant

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.

LIEN NGUYEN is a physician assistant located in IRVINE, CA. NPPES has assigned the NPI number 1821948183 to LIEN NGUYEN on January 28, 2026. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 363A00000X from the Health Care Provider Taxonomy code set, which is classified as Physician Assistant.

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for LIEN NGUYEN below.

NPI Profile for
LIEN X. NGUYEN

NPI Number
1821948183
Enumeration Date

(about 4 months ago)
Entity Type
Type-1  Individual (Female)
Legal Name
LIEN X. NGUYEN
Credentials
PA-C
Primary location
127 SAN LEON
IRVINE, CA 92606-8247
Phone: (678) 495-8868 Fax:
Mailing address
Same as primary location
Sole Proprietor
Yes
Updated
Certification Date
Jan 28, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
363A00000X
- Physician Assistant (Primary)
CA 67712

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.