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

Charlene Nicole Macpherson, LCSWC

Clinical Social Worker in Linthicum, MD · enumerated 2012 · practices at Nerd Adventure Therapy 20 LLC.

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

National Provider Identifier

1649527979

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Registry record

Entity type Individual (Type 1)

Name Charlene Nicole Macpherson

Credential LCSWC

Sex Female

Practice address Linthicum, MD, 21090

Phone (410) 443-0177

Enumeration date Aug 6, 2012

Last updated in NPPES Sep 11, 2023

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 16087 (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

Is NPI 1649527979 active?

Yes, as of the latest NPPES snapshot, NPI 1649527979 is active (record last updated 2023-09-11).

How do I verify Charlene Macpherson's NPI record?

Cross-check NPI 1649527979 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Nerd Adventure Therapy 20 LLC Clinical Social Worker · Linthicum, MD NPI 1659207231

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-11.