NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Margaret Bowen Hayes

Developmental Therapist in Woburn, MA · enumerated 2007.

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

National Provider Identifier

1215117684

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ms. Margaret Bowen Hayes
Sex Female
Practice address 8 Henshaw St, Woburn, MA, 01801
Phone (781) 935-3855
Enumeration date Nov 13, 2007
Last updated in NPPES Nov 13, 2007

Taxonomy & licenses

222Q00000X Developmental Therapist Respiratory, Developmental, Rehabilitative and Restorative 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

What is the NPI number for Margaret Hayes?
The National Provider Identifier (NPI) for Margaret Hayes is 1215117684, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Hayes practice?
The practice location on file with NPPES is in Woburn, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-13.