Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sung Yun, PH.D., L.AC.
Acupuncturist in Downey, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659725984
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Registry record
Entity type Individual (Type 1)
Name Sung Yun
Credential PH.D., L.AC.
Sex Male
Practice address 7860 Imperial Hwy, Suite A, Downey, CA, 90242
Phone (562) 869-8877
Fax (562) 869-0033
Enumeration date Apr 22, 2016
Last updated in NPPES Apr 22, 2016
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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.
Frequently asked questions
What is the NPI number for Sung Yun?
The National Provider Identifier (NPI) for Sung Yun is 1659725984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sung Yun practice?
The practice location on file with NPPES is in Downey, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → P&A Health Services, Inc Physical Therapist · Downey, CA NPI 1861438863 Ace Orthopedics, Inc. Prosthetic/Orthotic Supplier · Downey, CA NPI 1194834192 Pt Plus, Inc Physical Therapy Clinic/Center · Downey, CA NPI 1295917078 Pt Plus Rehab, Inc Physical Therapy Clinic/Center · Downey, CA NPI 1407002561 Deborah Bezonsky Speech-Language Pathologist · Downey, CA NPI 1013169382 Hangul Acupuncture, Inc. Acupuncturist · Downey, CA NPI 1114372158 Johnny Mejia Physical Therapist · Downey, CA NPI 1841897907 Paolo Leonardo Orthopedic Physical Therapist · Downey, CA NPI 1851984165
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-22.