John Chanasue M.D.
About this NPIWhat this record shows.
NPI 1972618387 is registered to John Chanasue M.D., a Dermatology practising at 307 Henry St, Ste 200 in Alton, Illinois. Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures. John Chanasue M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 John Chanasue M.D. accepts. To confirm in-network status with your specific health plan, contact John Chanasue M.D. directly at (618) 463-9623.
Frequently asked
Yes. NPI 1972618387 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures.
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 (618) 463-9623.
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. John Chanasue M.D. is a Type-1 individual NPI.