Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Bryan R Gaynor, D.O
Hospitalist Physician in Aurora, IL · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942543558
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Registry record
Entity type Individual (Type 1)
Name Bryan R Gaynor
Credential D.O
Sex Male
Practice address 1221 N Highland Ave, Aurora, IL, 60506
Phone (630) 859-8700
Enumeration date Apr 2, 2013
Last updated in NPPES Nov 23, 2021
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036139536 (IL) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125.063439 (IL) Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036139536 (IL) Primary
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 Bryan Gaynor?
The National Provider Identifier (NPI) for Bryan Gaynor is 1942543558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bryan Gaynor practice?
The practice location on file with NPPES is in Aurora, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → James Studlo Diagnostic Radiology Physician · Aurora, IL NPI 1407857105 Katherine Kouvelis Surgery Physician · Aurora, IL NPI 1861493165 Thomas White Orthopaedic Surgery Physician · Aurora, IL NPI 1104813435 John Tauscher Diagnostic Radiology Physician · Aurora, IL NPI 1902894231 Jill Austin Podiatrist · Aurora, IL NPI 1730164047 Rachel Bullar Physical Therapist · Aurora, IL NPI 1023095650 Shruti Parekh Physician Assistant · Aurora, IL NPI 1598745275 Steven Rabin Orthopaedic Surgery Physician · Aurora, IL NPI 1487628525
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-23.