ANDREW LAM-DINH NGUYEN MD
NPI 1659021269
Emergency Medicine in San Dimas, CA
About Andrew Lam-dinh Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW LAM-DINH NGUYEN MD (NPI 1659021269) is an individual emergency medicine provider in San Dimas, California, licensed in California (A201270) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital Medical Center, and maintains a secondary practice location in La Palma.
NPPES Registry Identity
Specialties & Licenses
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.
Secondary Practice Location 1
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
Andrew Lam-dinh Nguyen Md 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Hospital Medical Center
Acute Care Hospitals · West Islip, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91773 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN DIMAS, CA 91773
SAN DIMAS, CA 91773
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 Andrew Nguyen's NPI number?
The NPI number for Andrew Nguyen is 1659021269. It was assigned to this individual provider in the NPPES registry on March 26, 2022.
Where is Andrew Nguyen located?
Andrew Nguyen practices at 1350 W Covina Blvd, San Dimas, CA 91773. The listed phone number is (909) 599-6811.
What is Andrew Nguyen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Andrew Nguyen enrolled in Medicare?
Yes. Andrew 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.
Is Andrew Nguyen affiliated with any hospitals?
According to CMS data, Andrew Nguyen is affiliated with Good Samaritan Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Andrew Nguyen was last updated on June 26, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.