Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Kirk E Jarrett, ASW
Social Worker in Petaluma, CA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407221237
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Registry record
Entity type Individual (Type 1)
Name Mr. Kirk E Jarrett
Credential ASW
Sex Male
Practice address 1500 Petaluma Blvd S, Petaluma, CA, 94952
Phone (707) 765-8488
Enumeration date Dec 4, 2015
Last updated in NPPES Oct 21, 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
Where does Kirk Jarrett practice?
The practice location on file with NPPES is in Petaluma, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kirk Jarrett?
The National Provider Identifier (NPI) for Kirk Jarrett is 1407221237, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-21.