1. Home
  2. Directory
  3. California
  4. Downey
  5. Internal Medicine
  6. NPI Profile

DR. HENRY HAO VAN NGUYEN D.O.
NPI 1669713780
Internal Medicine in Downey, CA

Active since March 14, 2013PECOS Enrolled
9449 IMPERIAL HWY, DOWNEY, CA 90242(800) 823-4040 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Sep 19, 2017 and 2 more (5 updates tracked since 2017).

About Dr. Henry Hao Van Nguyen D.o. NPPES

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

DR. HENRY HAO VAN NGUYEN D.O. (NPI 1669713780) is an individual internal medicine provider in Downey, California, licensed in California (20A12223) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1669713780
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HENRY HAO VAN NGUYENCredential: D.O.
Location Address9449 IMPERIAL HWYDowney, CA 90242-2814
Mailing Address9449 Imperial HwyDowney, CA 90242 · (800) 823-4040
Phone(800) 823-4040
Sole ProprietorYes
Enumeration DateMarch 14, 2013
Last NPPES UpdateJuly 21, 20225 updates tracked since enumeration
✔ NPI 1669713780 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 · 20A12223
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.
9449 IMPERIAL HWY, Downey, CA 90242
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Henry-hao Van Nguyen D.o.

Secondary Practice Locations 2

Location 19410 SABRE LNWESTMINSTER, CA 92683 · Phone (714) 902-7706
Location 29333 Imperial HwyDowney, CA 90242-2812 · Phone (800) 823-4040

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Henry Hao Van Nguyen D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 90242 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 20

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

DR. STEPHANIE ANNE KINGMAN ANGARITA M.D.
Surgery (Surgical Oncology)
9449 IMPERIAL HWY, ORCHARD A 309
DOWNEY, CA 90242
Los Angeles County (562) 657-2713
NIKKI DU PHARM.D.
Pharmacist (Pharmacotherapy)
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-2334
DR. JOON CHA PHARM.D.
Pharmacist
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-2026
DR. MICHAEL BENJAMIN BREWER MD
Surgery (Vascular Surgery)
9449 IMPERIAL HWY, ORCHARD MEDICAL OFFICES - BLDG A - SUITE 309
DOWNEY, CA 90242
Los Angeles County (562) 657-2751
JALPA N SHAH PT
Physical Therapist
9449 IMPERIAL HWY, GARDEN MEDICAL OFFICE, 3RD FLOOR, PM&R DEPT.
DOWNEY, CA 90242
Los Angeles County (562) 657-2212
DR. LISA KERESTEDJIAN M.D.
Internal Medicine
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (800) 823-4040
DR. AUSTIN GODFREY EVANS D.O.
Internal Medicine
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (626) 590-4601
KIRTISHA DANIELLE NELSON
Surgery
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273

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 Henry Hao Nguyen's NPI number?

The NPI number for Henry Hao Nguyen is 1669713780. It was assigned to this individual provider in the NPPES registry on March 14, 2013. The provider is also known as Dr. Henry-Hao Van Nguyen D.O..

Where is Henry Hao Nguyen located?

Henry Hao Nguyen practices at 9449 Imperial Hwy, Downey, CA 90242. The listed phone number is (800) 823-4040.

What is Henry Hao Nguyen's specialty?

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

Is Henry Hao Nguyen enrolled in Medicare?

Yes. Henry Hao Nguyen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Henry Hao Nguyen was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.