NPI Portal NPI Lookup & Verification

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

Gary F Youssef, MS, IMFT

Marriage & Family Therapist in Toledo, OH · enumerated 2006.

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

National Provider Identifier

1609975168

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Gary F Youssef
Credential MS, IMFT
Sex Male
Practice address Toledo, OH, 43612
Phone (567) 298-1539
Enumeration date Sep 21, 2006
Last updated in NPPES Jul 1, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 45456 (CA) Secondary
106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License F.2500504 (OH) Primary

Other identifiers

Identifier Type State Issuer
1609975168 Medicaid CA -
45456 Other CA CALIFORNIA BOARD OF BEHAVIORAL SCIENCES
F.2500504 Other OH OHIO COUNSELOR, SOCIAL WORKER AND MARRIAGE AND FAMILY THERAPIST BOARD

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

What is the NPI number for Gary Youssef?
The National Provider Identifier (NPI) for Gary Youssef is 1609975168, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gary Youssef practice?
The practice location on file with NPPES is in Toledo, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-01.