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Dennis Groothuis, MD
NPI 1093874539 · Neurology Physician · Evanston, IL
Dennis Groothuis, MD is a Neurology Physician provider in Evanston, IL (NPI 1093874539).
Provider details
- NPI number
- 1093874539
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2650 Ridge Ave
Neurology Burch 309
Evanston, IL 60201-1718
Phone: (847) 570-2570
Fax: (847) 570-1934
Street-level locationGet directions
Mailing address
2650 Ridge Ave
Evanston, IL 60201-1718
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Groothuis's NPI number?
- Dennis Groothuis's National Provider Identifier (NPI) is 1093874539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Groothuis's specialty?
- Dennis Groothuis is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Groothuis located?
- Dennis Groothuis's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201-1718.
- What is Dennis Groothuis's phone number?
- The practice phone number listed in the NPPES registry for Dennis Groothuis is (847) 570-2570.
- Is Dennis Groothuis's NPI active?
- Yes — Dennis Groothuis's NPI (1093874539) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.