Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Maria E Leblanc, M.ED, MSW, LICSW

Clinical Social Worker in Hadley, MA · enumerated 2006.

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

National Provider Identifier

1639147721

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Maria E Leblanc

Credential M.ED, MSW, LICSW

Sex Female

Practice address Hadley, MA, 01035

Phone (413) 695-3707

Fax (413) 409-8965

Enumeration date Mar 14, 2006

Last updated in NPPES Jun 11, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 110523 (MA) Primary

Other identifiers

Identifier	Type	State	Issuer
775273730000	Other	MA	MAGELLAN BEHAVIORAL HEALT
248803	Other	MA	COMPSYCH
329036	Other	MA	TRICARE/PGBA
1859340	Medicaid	MA	-
P08402	Other	MA	BLUE CROSS BLUE SHIELD

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

Is NPI 1639147721 active?

Yes, as of the latest NPPES snapshot, NPI 1639147721 is active (record last updated 2019-06-11).

How do I verify Maria Leblanc's NPI record?

Cross-check NPI 1639147721 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-11.