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HOA HIEU NGUYEN M.D.
NPI 1427285394
Internal Medicine in Irvine, CA

Active since June 17, 2009PECOS EnrolledAccepts Medicare Assignment
16100 SAND CANYON AVE STE 240, IRVINE, CA 92618(949) 393-7443 Get Directions Write a Review

NPPES record last updated: June 29, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 16, 2022, Mar 22, 2016 (2 updates tracked since 2016).

About Hoa Hieu Nguyen M.d. NPPES

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

HOA HIEU NGUYEN M.D. (NPI 1427285394) is an individual internal medicine provider in Irvine, California, licensed in Louisiana (205442) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fountain Valley, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1427285394
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameHOA HIEU NGUYENCredential: M.D.
Location Address16100 SAND CANYON AVE STE 240Irvine, CA 92618-3724
Mailing Address16100 Sand Canyon Ave Ste 240Irvine, CA 92618-3724 · (949) 393-7443
Phone(949) 393-7443
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJune 17, 2009
Last NPPES UpdateJune 29, 20232 updates tracked since enumeration
NPPES CertifiedJune 29, 2023
✔ NPI 1427285394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in LA · 205442
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.
Also ListedInternal Medicine · Addiction MedicineTaxonomy 207RA0401X · License A118305 (CA)
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License A118305 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A118305 (CA)
16100 SAND CANYON AVE STE 240, Irvine, CA 92618
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Secondary Practice Location 1

Location 118173 Santa Adela CirFountain Valley, CA 92708-5608 · Phone (562) 412-8863 · Fax (562) 412-8863

Other Identifiers 1

Medicaid1950190LA

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

Hoa Hieu Nguyen M.d. 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 ID2365692019
PECOS Enrollment IDI20140702001869
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.

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.

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.

NARGES FEIZABADI
Nurse Practitioner (Adult Health)
16100 SAND CANYON AVE STE 240
IRVINE, CA 92618
Orange County (949) 393-7443
RIIID MEDICAL GROUP IRVINE INC
Psychiatry & Neurology (Psychiatry)
16100 SAND CANYON AVE STE 240
IRVINE, CA 92618
Orange County (949) 393-7443
PERRY MEDICAL GROUP OF CALIFORNIA
General Practice
16100 SAND CANYON AVE STE 240
IRVINE, CA 92618
Orange County (978) 850-3914
JEANELLE MAGLANOC ONG NP
Nurse Practitioner (Adult Health)
16100 SAND CANYON AVE STE 240
IRVINE, CA 92618
Orange County (949) 636-1858
DEBORAH EUN-JI LEE FNP-C
Nurse Practitioner (Family)
16100 SAND CANYON AVE STE 240
IRVINE, CA 92618
Orange County (949) 393-7443
EULSON MOONIE LEE FNP
Nurse Practitioner (Family)
16100 SAND CANYON AVE STE 240
IRVINE, CA 92618
Orange County (949) 393-7443

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 Hoa Nguyen's NPI number?

The NPI number for Hoa Nguyen is 1427285394. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Where is Hoa Nguyen located?

Hoa Nguyen practices at 16100 Sand Canyon Ave Ste 240, Irvine, CA 92618. The listed phone number is (949) 393-7443.

What is Hoa Nguyen's specialty?

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

Is Hoa Nguyen enrolled in Medicare?

Yes. Hoa 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 Hoa Nguyen was last updated on June 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.