IndividualActive
Glenn Harrison, M.D.
NPI 1316076946 · Geriatric Medicine (Internal Medicine) Physician · Chicago, IL
Provider details
- NPI number
- 1316076946
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036091413 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
100% 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
3319 N Elston Ave
Suite 100
Chicago, IL 60618-5811
Phone: (773) 751-7200
Fax: (773) 583-4295
Street-level locationGet directions
Mailing address
7301 N Lincoln Ave
Lincolnwood, IL 60712-1736
Registry dates
- Enumerated
- 2007-03-02
- Last updated
- 2017-02-02
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.