Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Prof. Matthew Scott O'Brien, PHD, ATC, LAT
Athletic Trainer in Stillwater, OK · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942295316
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Registry record
Entity type Individual (Type 1)
Name Prof. Matthew Scott O'Brien
Credential PHD, ATC, LAT
Sex Male
Practice address 103 Gallagher Iba Hall, Stillwater, OK, 74078
Phone (405) 744-9439
Enumeration date Sep 13, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License AT-302 (OK) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
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.
Frequently asked questions
How do I verify Matthew O'Brien's NPI record?
Cross-check NPI 1942295316 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1942295316 active?
Yes, as of the latest NPPES snapshot, NPI 1942295316 is active (record last updated 2007-07-08).
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.