DR. HIEU NGUYEN TRAM MD
NPI 1003900366
Internal Medicine in Westminster, CA
About Dr. Hieu Nguyen Tram Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HIEU NGUYEN TRAM MD (NPI 1003900366) is an individual internal medicine provider in Westminster, California, licensed in California (000000G80793) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1993).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Hieu Nguyen Tram 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.
Medicare Billing Reassignment
Medicare enrollment records show Hieu Tram reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Westminster, CA 92683
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 28
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92683 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 24
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Hieu Tram's NPI number?
The NPI number for Hieu Tram is 1003900366. It was assigned to this individual provider in the NPPES registry on October 3, 2006. The provider is also known as Hieu Nguyen Tram.
Where is Hieu Tram located?
Hieu Tram practices at 15355 Brookhurst Street Suite 102, Westminster, CA 92683. The listed phone number is (714) 775-3060.
What is Hieu Tram's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hieu Tram enrolled in Medicare?
Yes. Hieu Tram 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.
Which organization bills Medicare for Hieu Tram's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hieu Tram reassigns Medicare benefits to Le, Nguyen, Tram, Nguyen & Tran Medical Corporation (Westminster, CA). The 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 Hieu Tram's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hieu Tram was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.