Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Thomas Mahler, CRS CPS

Peer Specialist in Pittsburgh, PA · enumerated 2025.

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

National Provider Identifier

1134923196

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Registry record

Entity type Individual (Type 1)

Name Matthew Thomas Mahler

Credential CRS CPS

Sex Male

Practice address 3501 Forbes Ave Ste 900, Pittsburgh, PA, 15213

Phone (412) 586-9171

Enumeration date Apr 1, 2025

Last updated in NPPES Apr 1, 2025

Taxonomy & licenses

175T00000X Peer Specialist Other Service Providers · License 16995 (PA) 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

How do I verify Matthew Mahler's NPI record?

Cross-check NPI 1134923196 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1134923196 active?

Yes, as of the latest NPPES snapshot, NPI 1134923196 is active (record last updated 2025-04-01).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-01.