TAMMY TUYET NGUYEN PA-C
NPI 1326682428
Physician Assistant in Los Alamitos, CA

Q: What is Tammy Nguyen's NPI number?

The NPI number for Tammy Nguyen is 1326682428. It was assigned to this individual provider in the NPPES registry on October 31, 2019.

Q: What is Tammy 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 Tammy Nguyen was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 October 31, 2019PECOS EnrolledAccepts Medicare Assignment

3460 KATELLA AVE, LOS ALAMITOS, CA 90720(562) 594-6599(562) 594-7116 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 24, 2025, Mar 15, 2023, Feb 24, 2021 and 2 more (5 updates tracked since 2019).

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About Tammy Tuyet Nguyen Pa-c NPPES

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

TAMMY TUYET NGUYEN PA-C (NPI 1326682428) is an individual physician assistant in Los Alamitos, California, licensed in California (59081) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Ana, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1326682428

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameTAMMY TUYET NGUYENCredential: PA-C

Location Address3460 KATELLA AVELos Alamitos, CA 90720-2334

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380

Phone(562) 594-6599

Fax(562) 594-7116

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateOctober 31, 2019

Last NPPES UpdateNovember 24, 20255 updates tracked since enumeration

NPPES CertifiedNovember 24, 2025

✔ NPI 1326682428 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 · 59081

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.

3460 KATELLA AVE, Los Alamitos, CA 90720

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Secondary Practice Location 1

Location 11125 E 17th St Ste N452Santa Ana, CA 92701-2270 · Phone (714) 597-7214 · Fax (714) 727-3290

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

Tammy Tuyet Nguyen Pa-c 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 ID3476952151

PECOS Enrollment IDI20210528002369

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 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.

174 services150 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.

121 services107 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.

25 services23 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

19 services17 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

16 services16 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.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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.

Other Providers at the Same Location NPPES 18

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

DR. JYOTI MANOHAR BAKHRU M.D.

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