Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Tonia Guzman, LCSW-C

Clinical Social Worker in Silver Spring, MD · enumerated 2009.

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

National Provider Identifier

1104058700

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Registry record

Entity type Individual (Type 1)

Name Ms. Tonia Guzman

Credential LCSW-C

Sex Female

Practice address 7987 Georgia Ave, Silver Spring, MD, 20910

Phone (301) 455-5532

Fax (240) 993-7272

Enumeration date Aug 14, 2009

Last updated in NPPES Oct 6, 2011

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 14274 (MD) Primary

Other identifiers

Identifier	Type	State	Issuer
033817600	Medicaid	MD	-

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

How do I verify Tonia Guzman's NPI record?

Cross-check NPI 1104058700 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1104058700 active?

Yes, as of the latest NPPES snapshot, NPI 1104058700 is active (record last updated 2011-10-06).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-06.