NPI Portal NPI Lookup & Verification

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

Mr. Joseph James Trecki, MS

Addiction (Substance Use Disorder) Counselor in Emsworth, PA · enumerated 2008.

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

National Provider Identifier

1235394636

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Registry record

Entity type Individual (Type 1)
Name Mr. Joseph James Trecki
Credential MS
Sex Male
Practice address Emsworth, PA, 15202
Phone (412) 766-4030
Enumeration date Jul 24, 2008
Last updated in NPPES Jul 24, 2008

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

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers 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

What is the NPI number for Joseph Trecki?
The National Provider Identifier (NPI) for Joseph Trecki is 1235394636, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Trecki practice?
The practice location on file with NPPES is in Emsworth, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-24.