NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gregory M Stelmach

Occupational Therapist in Holbrook, MA · enumerated 2007.

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

National Provider Identifier

1568671279

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Gregory M Stelmach
Sex Male
Practice address 175 N Franklin St, Holbrook, MA, 02343
Enumeration date May 21, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

225X00000X Occupational 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

Where does Gregory Stelmach practice?
The practice location on file with NPPES is in Holbrook, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gregory Stelmach?
The National Provider Identifier (NPI) for Gregory Stelmach is 1568671279, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.