CATHERINE ANH-QUYEN NGUYEN
NPI 1336665975
Physician Assistant in West Covina, CA

Q: What is Catherine Nguyen's NPI number?

The NPI number for Catherine Nguyen is 1336665975. It was assigned to this individual provider in the NPPES registry on August 16, 2017.

Q: What is Catherine 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 Catherine Nguyen was last updated on March 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since August 16, 2017PECOS EnrolledAccepts Medicare Assignment

84.41/100

CMS Quality Rating

1115 S SUNSET AVE, WEST COVINA, CA 91790(626) 962-4011 Get Directions Write a Review

NPPES record last updated: March 3, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Mar 3, 2021, Aug 16, 2017 (2 updates tracked since 2017).

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About Catherine Anh-quyen Nguyen NPPES

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

CATHERINE ANH-QUYEN NGUYEN (NPI 1336665975) is an individual physician assistant in West Covina, California, licensed in California (PA54793) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1336665975

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameCATHERINE ANH-QUYEN NGUYEN

Location Address1115 S SUNSET AVEWest Covina, CA 91790-3940

Mailing Address235 Barnes RdTustin, CA 92782-3748 · (408) 218-6452

Phone(626) 962-4011

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateAugust 16, 2017

Last NPPES UpdateMarch 3, 20212 updates tracked since enumeration

NPPES CertifiedMarch 3, 2021

✔ NPI 1336665975 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 · PA54793

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.

1115 S SUNSET AVE, West Covina, CA 91790

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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

Catherine Anh-quyen 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 ID2466726658

PECOS Enrollment IDI20170927001896

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 13

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 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.

398 services380 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

100 services96 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.

94 services94 patients

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.

81 services79 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

75 services74 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

50 services25 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

29 services29 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

20 services20 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.

19 services19 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

12 services12 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

11 services11 patients

Diphtheria and tetanus vaccine (7 years or older) 90714

The Diphtheria and Tetanus vaccine is a preventive measure given to individuals aged 7 or older. It helps your body develop immunity to these serious diseases. The vaccine is typically administered as a shot in the arm or thigh. It's a crucial part of maintaining your health.

11 services11 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91790 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.

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.

84.41/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

90.67

Promoting Interoperability

100

Improvement Activities

Cost

57.36

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.

MRS. CLAIRE MARIE TABARES FNP-C

Nurse Practitioner