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

John Anthony Chanasue, MD

Individual provider Dermatology Physician · NPI 1972618387

John Anthony Chanasue, MD is a Dermatology Physician in Alton, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

307 Henry St Ste 200
Alton, IL 62002-6326
Phone: (618) 463-9623
Fax: (618) 462-8591
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X (IL)

Record details

NPI number1972618387
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 19, 2006
Last updated in NPPESJuly 8, 2007
Mailing address307 Henry St, Ste 200, Alton, IL 62002-6326