Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Timothy William Hayes, DO
Hospitalist Physician in Ogden, UT · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255996492
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Registry record
Entity type Individual (Type 1)
Name Timothy William Hayes
Credential DO
Sex Male
Practice address 4401 Harrison Blvd, Ogden, UT, 84403
Phone (801) 387-3364
Fax (801) 387-7910
Enumeration date May 2, 2019
Last updated in NPPES Mar 7, 2024
Taxonomy & licenses
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 13752236-1204 (UT) Primary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License OP61267637 (WA) Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 13752236-8904 (UT) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO 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
What is the NPI number for Timothy Hayes?
The National Provider Identifier (NPI) for Timothy Hayes is 1255996492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Timothy Hayes practice?
The practice location on file with NPPES is in Ogden, UT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Leta Fuller Neonatal-Perinatal Medicine Physician · Ogden, UT NPI 1982696159 Paul Thorpe Anatomic Pathology & Clinical Pathology Physician · Ogden, UT NPI 1538142922 Victoria Delli Gatti Nurse Practitioner · Ogden, UT NPI 1053390344 David Houghton Hospitalist Physician · Ogden, UT NPI 1336102979 Nancy Lawless Critical Care Medicine (Internal Medicine) Physician · Ogden, UT NPI 1982652046 David Stettler Anesthesiology Physician · Ogden, UT NPI 1942246566 Cameron Burrup Anesthesiology Physician · Ogden, UT NPI 1306872437 Bentley Mcentire Hospitalist Physician · Ogden, UT NPI 1306875489
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-07.