NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Emily Mason, LMSW-CC

Clinical Social Worker in Lewiston, ME · enumerated 2022.

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

National Provider Identifier

1336860006

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Emily Mason
Credential LMSW-CC
Sex Female
Practice address 151 N Temple St, Lewiston, ME, 04240
Enumeration date Sep 9, 2022
Last updated in NPPES Sep 9, 2022

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 Emily Mason?
The National Provider Identifier (NPI) for Emily Mason is 1336860006, a Type 1 (individual) record in the CMS NPPES registry.
Where does Emily Mason practice?
The practice location on file with NPPES is in Lewiston, ME. 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 2022-09-09.