Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Colette Liu
Social Worker in San Francisco, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457939423
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Registry record
Entity type Individual (Type 1)
Name Colette Liu
Sex Female
Practice address 671 Harrison St, San Francisco, CA, 94107
Phone (415) 369-4932
Enumeration date Mar 31, 2021
Last updated in NPPES Sep 30, 2024
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 Colette Liu practice?
The practice location on file with NPPES is in San Francisco, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Colette Liu?
The National Provider Identifier (NPI) for Colette Liu is 1457939423, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Angelica Lai Clinical Social Worker · San Francisco, CA NPI 1497425052 Reuben Kessler Social Worker · San Francisco, CA NPI 1447977418 Jeanette Sotomayor Peer Specialist · San Francisco, CA NPI 1811755911 Caitlin Luu Clinical Social Worker · San Francisco, CA NPI 1831944362 Jackson Pierce Peer Specialist · San Francisco, CA NPI 1144016783 Brendan Kelly Peer Specialist · San Francisco, CA NPI 1679431902
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-30.