NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexandra H. Osterman, MSW, LICSW

Clinical Social Worker in Greenfield, MA · enumerated 2006 · practices at Franklin Healthcare Associates.

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

National Provider Identifier

1538273768

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alexandra H. Osterman
Credential MSW, LICSW
Sex Female
Practice address 25 Bank Row St, Fl 3, Greenfield, MA, 01301
Phone (413) 774-6252
Fax (413) 773-0477
Enumeration date Aug 17, 2006
Last updated in NPPES Nov 30, 2017

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 111-323 (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

What is the NPI number for Alexandra Osterman?
The National Provider Identifier (NPI) for Alexandra Osterman is 1538273768, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexandra Osterman practice?
The practice location on file with NPPES is in Greenfield, 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 2017-11-30.