Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Justin I Boynton

Counselor in Byfield, MA · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356611321

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Registry record

Entity type Individual (Type 1)

Name Justin I Boynton

Sex Male

Practice address 2 Forest St, Byfield, MA, 01922

Phone (207) 590-8400

Enumeration date Jan 9, 2012

Last updated in NPPES Jan 9, 2012

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Justin Boynton practice?

The practice location on file with NPPES is in Byfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Justin Boynton?

The National Provider Identifier (NPI) for Justin Boynton is 1356611321, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-09.