AN NGUYEN
NPI 1609434414
Hospitalist in Irvine, CA

Active since June 05, 2019PECOS EnrolledAccepts Medicare Assignment
77.48/100
CMS Quality Rating
16200 SAND CANYON AVE, IRVINE, CA 92618(888) 655-8463 Get Directions Write a Review

NPPES record last updated: July 2, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 2, 2024, Apr 10, 2023, Jul 30, 2019 and 1 more (4 updates tracked since 2019).

About An Nguyen NPPES

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

AN NGUYEN (NPI 1609434414) is an individual hospitalist provider in Irvine, California, licensed in California (A179690) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1609434414
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameAN NGUYEN
Location Address16200 SAND CANYON AVEIrvine, CA 92618-3714
Mailing AddressPo Box 3724Costa Mesa, CA 92628-3724
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateJune 5, 2019
Last NPPES UpdateJuly 2, 20244 updates tracked since enumeration
NPPES CertifiedJuly 2, 2024
NPI 1609434414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CA · A179690
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A179690 (CA)
16200 SAND CANYON AVE, Irvine, CA 92618

Secondary Practice Locations 3

Location 11 Medical Plaza DrRoseville, CA 95661-3037 · Phone (916) 781-1000
Location 226520 Cactus AveMoreno Valley, CA 92555-3927 · Phone (951) 486-4000
Location 3400 W Mineral King AveVisalia, CA 93291-6237 · Phone (559) 624-2000

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

An Nguyen 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 ID2264769009
PECOS Enrollment IDI20240103004020
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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
82 services82 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
60 services30 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
48 services48 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92618 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality67.81
Improvement Activities40
Cost50.6

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.

Social Worker (Clinical)
16200 SAND CANYON AVE
IRVINE, CA 92618
Emergency Medicine
16200 SAND CANYON AVE
IRVINE, CA 92618
Hospitalist
16200 SAND CANYON AVE
IRVINE, CA 92618
Hospitalist
16200 SAND CANYON AVE
IRVINE, CA 92618
Social Worker (Clinical)
16200 SAND CANYON AVE
IRVINE, CA 92618
Emergency Medicine (Emergency Medical Services)
16200 SAND CANYON AVE
IRVINE, CA 92618
Emergency Medicine (Emergency Medical Services)
16200 SAND CANYON AVE
IRVINE, CA 92618
General Acute Care Hospital
16200 SAND CANYON AVE
IRVINE, CA 92618

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 An Nguyen's NPI number?

The NPI number for An Nguyen is 1609434414. It was assigned to this individual provider in the NPPES registry on June 5, 2019.

Where is An Nguyen located?

An Nguyen practices at 16200 Sand Canyon Ave, Irvine, CA 92618. The listed phone number is (888) 655-8463.

What is An Nguyen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is An Nguyen enrolled in Medicare?

Yes. An 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 An Nguyen was last updated on July 2, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.