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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.

HYEONGJIN YOUN L.AC.
NPI 1629585948
Acupuncturist in Rancho Dominguez, CA

Active since January 08, 2018
2787 E DEL AMO BLVD, H5-C, RANCHO DOMINGUEZ, CA 90221(714) 392-8962 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 2, 2026, Jan 8, 2018 (2 updates tracked since 2018).

About Hyeongjin Youn L.ac. NPPES

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

HYEONGJIN YOUN L.AC. (NPI 1629585948) is an individual acupuncturist in Rancho Dominguez, California, licensed in California (16993) and active in the NPI registry since January 2018. He maintains a secondary practice location in Fullerton.

NPPES Registry Identity

NPI1629585948
Entity TypeIndividualMale
Primary Taxonomy171100000X
Provider Legal NameHYEONGJIN YOUNCredential: L.AC.
Location Address2787 E DEL AMO BLVD, H5-CRancho Dominguez, CA 90221
Mailing Address4128 W Commonwealth Ave Ste 104Fullerton, CA 92833-2565 · (714) 392-8962
Phone(714) 392-8962
Sole ProprietorYes
Enumeration DateJanuary 8, 2018
Last NPPES UpdateOctober 2, 20262 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1629585948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAcupuncturistOther Service Providers
Taxonomy Code171100000X
License✔ Licensed in CA · 16993
Definition
An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long, fine needles inserted into specific points in order to treat painful conditions or produce anesthesia.
2787 E DEL AMO BLVD, Rancho Dominguez, CA 90221
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Secondary Practice Location 1

Location 14128 W Commonwealth Ave Ste 104Fullerton, CA 92833-2565 · Phone (714) 392-8962

Other Identifiers 1

OtherF2693820CA · Acupuncturist

Other Providers at the Same Location NPPES

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

MR. TAE SU KIM
Acupuncturist
2787 E DEL AMO BLVD
COMPTON, CA 90221
Los Angeles County (714) 244-0027

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 Hyeongjin Youn's NPI number?

The NPI number for Hyeongjin Youn is 1629585948. It was assigned to this individual provider in the NPPES registry on January 8, 2018.

Where is Hyeongjin Youn located?

Hyeongjin Youn practices at 2787 E Del Amo Blvd H5-C, Rancho Dominguez, CA 90221. The listed phone number is (714) 392-8962.

What is Hyeongjin Youn's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

When was this NPI record last updated?

The NPPES record for Hyeongjin Youn was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.