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HOA Q NGUYEN MD
NPI 1982884359
Internal Medicine in La Mirada, CA

Active since November 14, 2007
15651 IMPERIAL HWY STE 102B, LA MIRADA, CA 90638(562) 947-9591 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hoa Q Nguyen Md NPPES

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

HOA Q NGUYEN MD (NPI 1982884359), doing business as Henry Winn Md, is a healthcare organization registered as an internal medicine in La Mirada, California and active in the NPI registry since November 2007. The organization lists Hoa Nguyen, Medical Doctor, as its authorized official.

NPPES Registry Identity

NPI1982884359
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHOA Q NGUYEN MD
Location Address15651 IMPERIAL HWY STE 102BLa Mirada, CA 90638-1600
Mailing Address15651 Imperial Hwy Ste 102bLa Mirada, CA 90638-1600 · (562) 947-9591
Phone(562) 947-9591
Organization SubpartNo
Authorized OfficialHoa NguyenMedical Doctor · (562) 947-9591
Enumeration DateNovember 14, 2007
Last NPPES UpdateMarch 21, 2025
NPPES CertifiedMarch 21, 2025
✔ NPI 1982884359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A42958
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.
15651 IMPERIAL HWY STE 102B, La Mirada, CA 90638
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Other Names 1

Doing Business AsHenry Winn Md

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hoa Q Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Hoa Q Nguyen MD, which bills Medicare for the services this clinician delivers.

Clinician (1)

Hoa Nguyen, M.D.
Internal Medicine
NPI 1508897158
15651 E. IMPERIAL HWY SUITE 102B
La Mirada, CA 90638
(562) 947-9591
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Q Nguyen MD's NPI number?

The NPI number for Hoa Q Nguyen MD is 1982884359. It was assigned to this organization in the NPPES registry on November 14, 2007. The provider is doing business as Henry Winn MD.

Where is Hoa Q Nguyen MD located?

Hoa Q Nguyen MD is located at 15651 Imperial Hwy Ste 102B, La Mirada, CA 90638. The listed phone number is (562) 947-9591.

What is Hoa Q Nguyen MD's specialty?

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

Is Hoa Q Nguyen MD enrolled in Medicare?

Yes. Hoa Q Nguyen MD is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hoa Q Nguyen MD?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Hoa Q Nguyen MD. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Hoa Q Nguyen MD was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.