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

Betsy Reinstein Dewey

Clinical Social Worker in Chevy Chase, MD · enumerated 2020.

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

National Provider Identifier

1457951618

Verified

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Registry record

Entity type Individual (Type 1)

Name Betsy Reinstein Dewey

Sex Female

Practice address Chevy Chase, MD, 20815

Phone (301) 718-0262

Enumeration date Oct 27, 2020

Last updated in NPPES Oct 27, 2020

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 25186 (MD) 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.

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Frequently asked questions

What is the NPI number for Betsy Reinstein Dewey?

The National Provider Identifier (NPI) for Betsy Reinstein Dewey is 1457951618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Betsy Reinstein Dewey practice?

The practice location on file with NPPES is in Chevy Chase, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-27.