Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John a Chanasue, M D Ltd

Organization Medical Specialty Clinic/Center · NPI 1700065398

John a Chanasue, M D Ltd is a Medical Specialty Clinic/Center in Alton, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

307 Henry St Ste 200
Alton, IL 62002-6326
Phone: (618) 462-9623
Fax: (618) 462-8591
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Specialty Clinic/Center (primary) Taxonomy 261QM2500X (IL)

Record details

NPI number1700065398
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Chanasue — President · (618) 462-9623
NPI enumeratedOctober 31, 2007
Last updated in NPPESOctober 31, 2007
Mailing address307 Henry St, Ste 200, Alton, IL 62002-6326

Other providers in Alton