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

Alyson Hammerman Charnas, L.I.S.W, MSW

Clinical Social Worker in Mayfield Heights, OH · enumerated 2012 · practices at Marcia Bremenour Lpcc, Inc..

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

National Provider Identifier

1972855351

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Registry record

Entity type Individual (Type 1)

Name Alyson Hammerman Charnas

Credential L.I.S.W, MSW

Sex Female

Practice address Mayfield Heights, OH, 44124

Phone (312) 343-4692

Enumeration date Oct 9, 2012

Last updated in NPPES Sep 15, 2025

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 149030021 (IL) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License TPSW5937 (FL) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License I.1100090 (OH) Primary

Other identifiers

Identifier	Type	State	Issuer
TPSW5937	Other	FL	TLTHLCSW
149030021	Other	IL	LCSW

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

Where does Alyson Charnas practice?

The practice location on file with NPPES is in Mayfield Heights, OH. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alyson Charnas?

The National Provider Identifier (NPI) for Alyson Charnas is 1972855351, a Type 1 (individual) record in the CMS NPPES registry.

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Olga Estrina Psychiatry Physician · Cleveland, OH NPI 1215130463 Marcia Bremenour Lpcc, Inc. Mental Health Counselor · Mayfield Heights, OH NPI 1205503661

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-15.