Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Courtney Julianna O'Brien, MS. ATC
Athletic Trainer in Aston, PA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659903813
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Registry record
Entity type Individual (Type 1)
Name Courtney Julianna O'Brien
Credential MS. ATC
Sex Female
Practice address 7 Victoria Dr, Aston, PA, 19014
Phone (610) 389-8322
Enumeration date Feb 6, 2020
Last updated in NPPES Jun 2, 2021
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative 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.
Frequently asked questions
Where does Courtney O'Brien practice?
The practice location on file with NPPES is in Aston, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Courtney O'Brien?
The National Provider Identifier (NPI) for Courtney O'Brien is 1659903813, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-02.