Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sara Brooker
Psychologist in San Rafael, CA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821353541
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Registry record
Entity type Individual (Type 1)
Name Sara Brooker
Sex Female
Practice address 111 Smith Ranch Rd, San Rafael, CA, 94903
Phone (415) 491-3000
Enumeration date Jul 9, 2012
Last updated in NPPES Aug 15, 2016
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
Is NPI 1821353541 active?
Yes, as of the latest NPPES snapshot, NPI 1821353541 is active (record last updated 2016-08-15).
How do I verify Sara Brooker's NPI record?
Cross-check NPI 1821353541 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-15.