Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Timothy Farrell, MSW
Social Worker in Boston, MA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588935282
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Registry record
Entity type Individual (Type 1)
Name Mr. Timothy Farrell
Credential MSW
Sex Male
Practice address 665 Beacon St, Suite 100, Boston, MA, 02215
Phone (617) 424-0665
Fax (617) 424-0254
Enumeration date Jan 26, 2012
Last updated in NPPES Jan 26, 2012
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 Timothy Farrell?
The National Provider Identifier (NPI) for Timothy Farrell is 1588935282, a Type 1 (individual) record in the CMS NPPES registry.
Where does Timothy Farrell practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-26.