Dr. Jacob Barnhart DO
About this NPIWhat this record shows.
NPI 1952191884 is registered to Dr. Jacob Barnhart DO, a Internal Medicine practising at 5145 N California Ave in Chicago, Illinois. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Jacob Barnhart DO has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Jacob Barnhart DO accepts. To confirm in-network status with your specific health plan, contact Dr. Jacob Barnhart DO directly at (773) 878-8200.
Frequently asked
Yes. NPI 1952191884 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (773) 878-8200.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Jacob Barnhart DO is a Type-1 individual NPI.