Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine A Stemm

Community Health Worker in South Deerfield, MA · enumerated 2013.

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

National Provider Identifier

1356778849

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Katherine A Stemm

Sex Female

Practice address 100c State Rd, South Deerfield, MA, 01373

Phone (413) 397-8986

Enumeration date Sep 30, 2013

Last updated in NPPES Sep 30, 2013

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers · License 5725 (MA) 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 Katherine Stemm practice?

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

What is the NPI number for Katherine Stemm?

The National Provider Identifier (NPI) for Katherine Stemm is 1356778849, 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 2013-09-30.