Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Hyonok Yoon, R.PH.
Pharmacist in Oakland, CA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508167354
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Registry record
Entity type Individual (Type 1)
Name Ms. Hyonok Yoon
Credential R.PH.
Sex Female
Practice address 2844 Summit St Ste 101, Oakland, CA, 94609
Phone (510) 893-8841
Fax (510) 893-0663
Enumeration date Nov 10, 2010
Last updated in NPPES Nov 10, 2010
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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 Hyonok Yoon?
The National Provider Identifier (NPI) for Hyonok Yoon is 1508167354, a Type 1 (individual) record in the CMS NPPES registry.
Where does Hyonok Yoon practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-10.