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

Mr. John W McClean, MD

Individual provider Medical Oncology Physician · NPI 1548268204

Mr. John W McClean, MD is a Medical Oncology Physician in Galesburg, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

834 N Seminary St Ste 502
Galesburg, IL 61401-2852
Phone: (309) 343-2262
Fax: (309) 343-2081
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 036059602 (IL)

Record details

NPI number1548268204
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESJuly 8, 2007
Mailing address834 N Seminary St, Ste 502, Galesburg, IL 61401-2852