Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lok-Yun Cheung
Pharmacist in Manteca, CA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1780091033
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Registry record
Entity type Individual (Type 1)
Name Lok-Yun Cheung
Sex Male
Practice address 2440 Daniels St, Manteca, CA, 95337
Phone (209) 825-8209
Fax (209) 825-8206
Enumeration date Jul 18, 2014
Last updated in NPPES Aug 26, 2025
Taxonomy & licenses
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
Where does Lok-Yun Cheung practice?
The practice location on file with NPPES is in Manteca, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lok-Yun Cheung?
The National Provider Identifier (NPI) for Lok-Yun Cheung is 1780091033, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-26.