Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Aaron Isley, D.O.
Hospitalist Physician in Tulsa, OK · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427494921
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Registry record
Entity type Individual (Type 1)
Name Dr. Aaron Isley
Credential D.O.
Sex Male
Practice address 1145 S Utica Ave, Ste 460, Tulsa, OK, 74104
Phone (918) 579-5749
Fax (918) 579-5762
Enumeration date May 11, 2013
Last updated in NPPES Jun 20, 2019
Taxonomy & licenses
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
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200542040 B | Medicaid | OK | - |
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 Aaron Isley practice?
The practice location on file with NPPES is in Tulsa, OK. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Aaron Isley?
The National Provider Identifier (NPI) for Aaron Isley is 1427494921, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-20.