Dr. Melissa Chacko M.D.
About this NPIWhat this record shows.
NPI 1275794182 is registered to Dr. Melissa Chacko M.D., a Internal Medicine practising at 836 W Wellington 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. Melissa Chacko M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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. Melissa Chacko M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Melissa Chacko M.D. directly at (773) 975-1600.
Frequently asked
Yes. NPI 1275794182 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) 975-1600.
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. Melissa Chacko M.D. is a Type-1 individual NPI.