LAN THI-XUAN NGUYEN MD
NPI 1669552832
Internal Medicine in Orange, CA

Active since October 16, 2006PECOS EnrolledAccepts Medicare Assignment
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH, ORANGE, CA 92868(714) 456-8978 Get Directions Write a Review

NPPES record last updated: February 27, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Lan Thi-xuan Nguyen Md NPPES

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

LAN THI-XUAN NGUYEN MD (NPI 1669552832) is an individual internal medicine provider in Orange, California, licensed in California (000000G68288) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1988).

NPPES Registry Identity

NPI1669552832
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLAN THI-XUAN NGUYENCredential: MD
Location AddressUCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTHOrange, CA 92868
Mailing AddressPrimary Care Medical Group, Po Box 513620Los Angeles, CA 90051-3620 · (714) 456-6369
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1988
Enumeration DateOctober 16, 2006
Last NPPES UpdateFebruary 27, 2008
NPI 1669552832 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · 000000G68288
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

UCI MEDICAL CENTER, Orange, CA 92868

Other Identifiers 1

Medicare PINWG68288FCA

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

Lan Thi-xuan Nguyen Md 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 ID6507943784
PECOS Enrollment IDI20080411000624
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 8

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.
613 services271 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
42 services38 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.
28 services28 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
27 services27 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
18 services18 patients
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438
An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
17 suppliers42 claims99 services$6.07 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers19 claims19 services$1.01 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Family Medicine
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Otolaryngology
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Emergency Medicine
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Internal Medicine (Endocrinology, Diabetes & Metabolism)
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Pediatrics (Neurodevelopmental Disabilities)
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Emergency Medicine
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Surgery
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Pathology (Clinical Pathology/Laboratory Medicine)
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868

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 Lan Nguyen's NPI number?

The NPI number for Lan Nguyen is 1669552832. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Lan Nguyen located?

Lan Nguyen practices at Uci Medical Center 101 The City Drive South, Orange, CA 92868. The listed phone number is (714) 456-8978.

What is Lan Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lan Nguyen enrolled in Medicare?

Yes. Lan 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 Lan Nguyen was last updated on February 27, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.