Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Bill C Wong, RPH
Pharmacist in Palo Alto, CA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538443999
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Registry record
Entity type Individual (Type 1)
Name Dr. Bill C Wong
Credential RPH
Sex Male
Practice address 875 Blake Wilbur Dr # Cc1101, Palo Alto, CA, 94304
Phone (650) 838-0429
Fax (650) 838-0447
Enumeration date Oct 4, 2011
Last updated in NPPES Oct 4, 2011
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
Where does Bill Wong practice?
The practice location on file with NPPES is in Palo Alto, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Bill Wong?
The National Provider Identifier (NPI) for Bill Wong is 1538443999, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-04.