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

Dennis R Groothuis, MD

Individual provider Neurology Physician · NPI 1093874539

Dennis R Groothuis, MD is a Neurology Physician in Evanston, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

2650 Ridge Ave Neurology Burch 309
Evanston, IL 60201-1718
Phone: (847) 570-2570
Fax: (847) 570-1934
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X (IL)

Record details

NPI number1093874539
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2650 Ridge Ave, Evanston Hospital, Evanston, IL 60201-1718

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