Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Cheung
Pharmacist in Walnut Creek, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124550900
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name John Cheung
Sex Male
Practice address 2880 Shadelands Dr Ste 201, Walnut Creek, CA, 94598
Phone (925) 997-9886
Enumeration date Mar 30, 2017
Last updated in NPPES Mar 30, 2017
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
What is the NPI number for John Cheung?
The National Provider Identifier (NPI) for John Cheung is 1124550900, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Cheung practice?
The practice location on file with NPPES is in Walnut Creek, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Alison Knight Pharmacist · Walnut Creek, CA NPI 1750591673 Linda Kan Huey Pharmacist · Walnut Creek, CA NPI 1396185294 Kenneth Yeung Pharmacist · Walnut Creek, CA NPI 1457883118 Kenny Zhang Pharmacist · Walnut Creek, CA NPI 1336671098 Gary Deguire Pharmacist · Walnut Creek, CA NPI 1316479074 Lihua Li Pharmacist · Walnut Creek, CA NPI 1770015166 Wai Kuan Chan Pharmacist · Walnut Creek, CA NPI 1467984815 Katie Nguyen Pharmacist · Walnut Creek, CA NPI 1275066151
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-30.