Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Hieu Trong Huynh, D.O.

Clinical Cardiac Electrophysiology Physician in Colonial Heights, VA · enumerated 2013 · practices at James River Cardiology, LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1366782377

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Registry record

Entity type Individual (Type 1)

Name Dr. Hieu Trong Huynh

Credential D.O.

Sex Male

Practice address 445 Charles H Dimmock Pkwy Ste 100, Colonial Heights, VA, 23834

Phone (804) 520-1764

Enumeration date Feb 28, 2013

Last updated in NPPES Mar 26, 2024

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 0102206487 (VA) Secondary

207RC0001X Clinical Cardiac Electrophysiology Physician Allopathic & Osteopathic Physicians · License 0102206487 (VA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Hieu Huynh?

Hieu Huynh is registered in NPPES with the primary taxonomy of Clinical Cardiac Electrophysiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-26.