OrganizationActive
G N Endocrinology Ltd
NPI 1285957266 · Endocrinology, Diabetes & Metabolism Physician · Dekalb, IL
Provider details
- NPI number
- 1285957266
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Amer Kassar, Owner, MD(219) 440-5350
- License
- 036124942 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
Five Kish Hospital Dr
Suite 201
Dekalb, IL 60115-9602
Phone: (815) 748-8335
Fax: (815) 748-8340
Approximate (ZIP-level) locationGet directions
Mailing address
Five Kish Hospital Dr
Dekalb, IL 60115-9602
Registry dates
- Enumerated
- 2010-03-05
- Last updated
- 2018-10-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.