NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Casey Blum

Clinical Social Worker in Chelmsford, MA · enumerated 2016.

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

National Provider Identifier

1235683756

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Casey Blum
Sex Female
Practice address 227 Chelmsford St Unit C, Chelmsford, MA, 01824
Enumeration date Aug 12, 2016
Last updated in NPPES Aug 12, 2016

Taxonomy & licenses

1041C0700X Clinical Social Worker 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

What is the NPI number for Casey Blum?
The National Provider Identifier (NPI) for Casey Blum is 1235683756, a Type 1 (individual) record in the CMS NPPES registry.
Where does Casey Blum practice?
The practice location on file with NPPES is in Chelmsford, 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 2016-08-12.