HEAJUNG NGUYEN MD
NPI 1821484403
Internal Medicine - Clinical Cardiac Electrophysiology in Baldwin Park, CA
About Heajung Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEAJUNG NGUYEN MD (NPI 1821484403) is an individual clinical cardiac electrophysiology provider in Baldwin Park, California, licensed in California (A149005) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Heajung 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.
Medicare Billing Reassignment
Medicare enrollment records show Heajung Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baldwin Park, CA 91706
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91706 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.
BALDWIN PARK, CA 91706
BALDWIN PARK, CA 91706
BALDWIN PARK, CA 91706
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 Heajung Nguyen's NPI number?
The NPI number for Heajung Nguyen is 1821484403. It was assigned to this individual provider in the NPPES registry on April 10, 2015.
Where is Heajung Nguyen located?
Heajung Nguyen practices at 1011 Baldwin Park Blvd Cardiology Dept, Baldwin Park Medical Center, Baldwin Park, CA 91706. The listed phone number is (626) 851-5215.
What is Heajung Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Heajung Nguyen enrolled in Medicare?
Yes. Heajung 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.
Which organization bills Medicare for Heajung Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heajung Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (Baldwin Park, 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 Heajung Nguyen'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 Heajung Nguyen was last updated on October 27, 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.
# Heajung Nguyen, MD · NPI 1821484403
Clinical Cardiac Electrophysiology physician in Baldwin Park, California. Individual provider, active in the CMS NPPES registry since April 10, 2015.
## Identity
- **NPI:** 1821484403 (Entity type: Individual)
- **Enumerated:** April 10, 2015
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** A149005 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1011 BALDWIN PARK BLVD, CARDIOLOGY DEPT, BALDWIN PARK MEDICAL CENTER, Baldwin Park, CA 91706-5806
- **Phone:** (626) 851-5215
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1770515280, Baldwin Park, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1821484403) · Data from the CMS NPPES public registry.