HIEN THUY NGUYEN DO
NPI 1902335904
Family Medicine in Garden Grove, CA

Q: What is Hien Nguyen's NPI number?

The NPI number for Hien Nguyen is 1902335904. It was assigned to this individual provider in the NPPES registry on June 5, 2017.

Q: What is Hien Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Hien Nguyen was last updated on November 9, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 05, 2017PECOS EnrolledAccepts Medicare Assignment

12942 HARBOR BLVD, GARDEN GROVE, CA 92840(714) 705-2120(714) 705-8139 Get Directions Write a Review

NPPES record last updated: November 9, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 9, 2021, Sep 1, 2020, Aug 6, 2020 and 1 more (4 updates tracked since 2017).

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About Hien Thuy Nguyen Do NPPES

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

HIEN THUY NGUYEN DO (NPI 1902335904) is an individual family medicine provider in Garden Grove, California, licensed in California (20A17081) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1902335904

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameHIEN THUY NGUYENCredential: DO

Location Address12942 HARBOR BLVDGarden Grove, CA 92840-5809

Mailing Address12942 Harbor BlvdGarden Grove, CA 92840-5809 · (714) 705-2120 · Fax (747) 058-1391

Phone(714) 705-2120

Fax(714) 705-8139

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateJune 5, 2017

Last NPPES UpdateNovember 9, 20214 updates tracked since enumeration

NPPES CertifiedNovember 9, 2021

✔ NPI 1902335904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 20A17081

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

12942 HARBOR BLVD, Garden Grove, CA 92840

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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

Hien Thuy Nguyen Do 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 ID6002145869

PECOS Enrollment IDI20200909002638

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 3

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.

122 services59 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.

30 services26 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.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92840 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.

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Other Providers at the Same Location NPPES 6

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

DR. DUONGTHUY CHAU MD, DC

Family Medicine