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

Dr. John Keith Larson, MD

Individual provider Psychiatry Physician · NPI 1013030295

Dr. John Keith Larson, MD is a Psychiatry Physician in Downers Grove, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2001 Butterfield Rd Ste 320
Downers Grove, IL 60515-1050
Phone: (312) 563-3611
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X (IL)

Record details

NPI number1013030295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 10, 2007
Last updated in NPPESJuly 8, 2007
Mailing address2001 Butterfield Rd, Suite 320, Downers Grove, IL 60515-1050

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