Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Ann Cybele Hirschhorn, LCSW-C

Clinical Social Worker in Olney, MD · enumerated 2024 · practices at Viewpoint Art Therapy LLC.

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

National Provider Identifier

1538982343

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Registry record

Entity type Individual (Type 1)

Name Ms. Ann Cybele Hirschhorn

Credential LCSW-C

Sex Female

Practice address 3401 Olandwood Ct Ste 204, Olney, MD, 20832

Phone (240) 324-6033

Enumeration date Nov 1, 2024

Last updated in NPPES Nov 1, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 19186 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1538982343 active?

Yes, as of the latest NPPES snapshot, NPI 1538982343 is active (record last updated 2024-11-01).

How do I verify Ann Hirschhorn's NPI record?

Cross-check NPI 1538982343 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Viewpoint Art Therapy LLC Mental Health Counselor · Olney, MD NPI 1255174835

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-01.