Heajung Nguyen, MD
NPI 1821484403 · Clinical Cardiac Electrophysiology Physician · Baldwin Park, CA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heajung Nguyen, MD is a Clinical Cardiac Electrophysiology Physician provider in Baldwin Park, CA (NPI 1821484403).
Provider details
- NPI number
- 1821484403
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A149005 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 40 | 15 |
| Amiodarone Hcl | 34 | 16 |
| Carvedilol | 32 | 14 |
| Bisoprolol Fumarate | 30 | 14 |
| Apixabanbrand: Eliquis | 27 | — |
| Amlodipine Besylate | 26 | 11 |
| Atorvastatin Calcium | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,013 across 74 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-10
- Last updated
- 2023-10-27
- Certified
- 2023-08-22
Frequently asked questions
- What is Heajung Nguyen's NPI number?
- Heajung Nguyen's National Provider Identifier (NPI) is 1821484403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heajung Nguyen's specialty?
- Heajung Nguyen is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Heajung Nguyen located?
- Heajung Nguyen's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is Heajung Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Heajung Nguyen is (626) 851-5215.
- Does Heajung Nguyen accept Medicare?
- Heajung Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heajung Nguyen's NPI active?
- Yes — Heajung Nguyen's NPI (1821484403) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.