Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Greg E Halliday, PA-C
Physician Assistant in Logan, UT · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366431918
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Registry record
Entity type Individual (Type 1)
Name Greg E Halliday
Credential PA-C
Sex Male
Practice address 1300 N 500 E Ste 320, Logan, UT, 84341
Phone (801) 373-4366
Fax (801) 429-8191
Enumeration date Oct 17, 2005
Last updated in NPPES Nov 11, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 3086482-1206 (UT) 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
What is the NPI number for Greg Halliday?
The National Provider Identifier (NPI) for Greg Halliday is 1366431918, a Type 1 (individual) record in the CMS NPPES registry.
Where does Greg Halliday practice?
The practice location on file with NPPES is in Logan, UT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Robert Garr Cardiovascular Disease Physician · Logan, UT NPI 1225023088 David Cragun Cardiovascular Disease Physician · Logan, UT NPI 1821005349 Jonathan Rhee Cardiovascular Disease Physician · Logan, UT NPI 1689838542 Matthew Borkovich Interventional Cardiology Physician · Logan, UT NPI 1518492420 Christopher Groberg Physician Assistant · Logan, UT NPI 1104556125
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-11.