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LIEN T NGUYEN NP
NPI 1508906033
Nurse Practitioner in Mission Viejo, CA

Active since February 07, 2007PECOS EnrolledAccepts Medicare Assignment
27799 MEDICAL CENTER RD STE 310, MISSION VIEJO, CA 92691(949) 364-5090 Get Directions Write a Review

NPPES record last updated: June 24, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lien T Nguyen Np NPPES

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

LIEN T NGUYEN NP (NPI 1508906033) is an individual nurse practitioner in Mission Viejo, California, licensed in California (NP14331) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1508906033
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameLIEN T NGUYENCredential: NP
Location Address27799 MEDICAL CENTER RD STE 310Mission Viejo, CA 92691-6400
Mailing Address27799 Medical Center Rd Ste 310Mission Viejo, CA 92691-6400 · (949) 364-8509
Phone(949) 364-5090
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateFebruary 7, 2007
Last NPPES UpdateJune 24, 2022
NPPES CertifiedJune 24, 2022
✔ NPI 1508906033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · NP14331
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.
27799 MEDICAL CENTER RD STE 310, Mission Viejo, CA 92691
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lien T Nguyen Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840278792
PECOS Enrollment IDI20040708000866
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
187 services144 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
90 services90 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
46 services43 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

DOUGLAS LONG NGUYEN MD
Internal Medicine (Gastroenterology)
27799 MEDICAL CENTER RD STE 310
MISSION VIEJO, CA 92691
Orange County (949) 364-5090
DANIEL KIM MD
Internal Medicine (Gastroenterology)
27799 MEDICAL CENTER RD STE 310
MISSION VIEJO, CA 92691
Orange County (949) 364-5090

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 Lien Nguyen's NPI number?

The NPI number for Lien Nguyen is 1508906033. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Where is Lien Nguyen located?

Lien Nguyen practices at 27799 Medical Center Rd Ste 310, Mission Viejo, CA 92691. The listed phone number is (949) 364-5090.

What is Lien Nguyen's specialty?

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

Is Lien Nguyen enrolled in Medicare?

Yes. Lien Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Lien Nguyen was last updated on June 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.