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STEPHEN HUYNH-HAI PHAN M.D.
NPI 1831397413
Emergency Medicine in Downey, CA

Active since July 05, 2007
9333 IMPERIAL HWY, DOWNEY, CA 90242(562) 657-9000 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 7, 2023, Dec 1, 2021 (2 updates tracked since 2021).

About Stephen Huynh-hai Phan M.d. NPPES

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

STEPHEN HUYNH-HAI PHAN M.D. (NPI 1831397413) is an individual emergency medicine provider in Downey, California, licensed in California (A109908) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1831397413
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSTEPHEN HUYNH-HAI PHANCredential: M.D.
Location Address9333 IMPERIAL HWYDowney, CA 90242-2812
Mailing Address9333 Imperial Hwy, Emergency DepartmentDowney, CA 90242-2812 · (562) 657-7130
Phone(562) 657-9000
Sole ProprietorYes
Enumeration DateJuly 5, 2007
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedDecember 1, 2021
✔ NPI 1831397413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A109908
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
9333 IMPERIAL HWY, Downey, CA 90242
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Other Identifiers 1

OtherA-109908CA · California Medical License Number

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.

BRANDON LUI
Internal Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-9000
MICHAEL LUHM
Pharmacist
9333 IMPERIAL HWY, 1ST FLOOR OUTPATIENT PHARMACY
DOWNEY, CA 90242
Los Angeles County (562) 657-9421
ALAN H. QUIROZ
Respiratory Therapist, Registered (Neonatal/Pediatrics)
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-3389
DR. KIRAN PANDEY MD
Internal Medicine (Cardiovascular Disease)
9333 IMPERIAL HWY, DOWNEY
DOWNEY, CA 90242
Los Angeles County (877) 608-0044
DR. JOSEPH DANIEL GRUBIC
Emergency Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-7130
GRACE YAMASAKI PHARM.D.
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-9422
LINDA CHAO
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273
DR. MARSHA ARABA MARTINSON M.D.
Obstetrics & Gynecology
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-4043

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 Stephen Phan's NPI number?

The NPI number for Stephen Phan is 1831397413. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Where is Stephen Phan located?

Stephen Phan practices at 9333 Imperial Hwy, Downey, CA 90242. The listed phone number is (562) 657-9000.

What is Stephen Phan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Stephen Phan was last updated on March 7, 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.