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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HYUN DON YUN MD PC
NPI 1528993151
Internal Medicine in Irvine, CA

Active since June 15, 2026
4950 BARRANCA PKWY STE 210, IRVINE, CA 92604(949) 414-9337(949) 402-0100 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Hyun Don Yun Md Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HYUN DON YUN MD PC (NPI 1528993151), doing business as Ganada Medical, is a healthcare organization registered as an internal medicine in Irvine, California and active in the NPI registry since June 2026. The organization lists Hyun Don Yun, President/owner, as its authorized official.

NPPES Registry Identity

NPI1528993151
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHYUN DON YUN MD PC
Location Address4950 BARRANCA PKWY STE 210Irvine, CA 92604-8648
Mailing Address4950 Barranca Pkwy Ste 210Irvine, CA 92604-8648 · (949) 414-9337 · Fax (949) 402-0100
Phone(949) 414-9337
Fax(949) 402-0100
Organization SubpartNo
Authorized OfficialHyun Don YunPresident/owner · (949) 414-9337
Enumeration DateJune 15, 2026
Last NPPES UpdateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1528993151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
4950 BARRANCA PKWY STE 210, Irvine, CA 92604
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Other Names 1

Doing Business AsGanada Medical

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HYUN DON YUN MD
Internal Medicine (Hematology & Oncology)
4950 BARRANCA PKWY STE 210
IRVINE, CA 92604
Orange County (949) 414-9337

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 Hyun Don Yun MD PC's NPI number?

The NPI number for Hyun Don Yun MD PC is 1528993151. It was assigned to this organization in the NPPES registry on June 15, 2026. The provider is doing business as GaNaDa Medical.

Where is Hyun Don Yun MD PC located?

Hyun Don Yun MD PC is located at 4950 Barranca Pkwy Ste 210, Irvine, CA 92604. The listed phone number is (949) 414-9337.

What is Hyun Don Yun MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Hyun Don Yun MD PC was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.