Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Donald Jerome Frigon, MSW
Social Worker in Southborough, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942226592
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Registry record
Entity type Individual (Type 1)
Name Donald Jerome Frigon
Credential MSW
Sex Male
Practice address 24 Newton St, Southborough, MA, 01772
Phone (508) 460-3190
Fax (508) 460-3279
Enumeration date Jul 15, 2006
Last updated in NPPES Jul 8, 2007
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
How do I verify Donald Frigon's NPI record?
Cross-check NPI 1942226592 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1942226592 active?
Yes, as of the latest NPPES snapshot, NPI 1942226592 is active (record last updated 2007-07-08).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.