Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Juan Adrian Cornejo, MD
Obstetrics Physician in Duncan, OK · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164751525
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Registry record
Entity type Individual (Type 1)
Name Juan Adrian Cornejo
Credential MD
Sex Male
Practice address 2515 Whisenant Drive, Duncan, OK, 73533
Phone (580) 255-2229
Enumeration date Dec 15, 2009
Last updated in NPPES Feb 13, 2024
Taxonomy & licenses
207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 01067781B (IN) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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
Where does Juan Cornejo practice?
The practice location on file with NPPES is in Duncan, OK. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Juan Cornejo?
The National Provider Identifier (NPI) for Juan Cornejo is 1164751525, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-13.