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G N ENDOCRINOLOGY LTD
NPI 1285957266
Internal Medicine - Endocrinology, Diabetes & Metabolism in Dekalb, IL

Active since March 05, 2010
FIVE KISH HOSPITAL DR, SUITE 201, DEKALB, IL 60115(815) 748-8335(815) 748-8340 Get Directions Write a Review

NPPES record last updated: October 10, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 10, 2018, Apr 13, 2018 (2 updates tracked since 2018).

About G N Endocrinology Ltd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

G N ENDOCRINOLOGY LTD (NPI 1285957266) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Dekalb, Illinois and active in the NPI registry since March 2010. The organization lists Amer Kassar, Owner, Md, as its authorized official.

NPPES Registry Identity

NPI1285957266
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameG N ENDOCRINOLOGY LTD
Location AddressFIVE KISH HOSPITAL DR, SUITE 201Dekalb, IL 60115-9602
Mailing AddressFive Kish Hospital Dr, Suite 201Dekalb, IL 60115-9602 · (815) 748-8335 · Fax (815) 748-8340
Phone(815) 748-8335
Fax(815) 748-8340
Organization SubpartNo
Authorized OfficialAmer KassarOwner, Md · (219) 440-5350
Enumeration DateMarch 5, 2010
Last NPPES UpdateOctober 10, 20182 updates tracked since enumeration
✔ NPI 1285957266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in IL · 036124942
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
FIVE KISH HOSPITAL DR, Dekalb, IL 60115
Open in Google Maps ↗

Other Identifiers 1

Medicaid044049488IL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMER KASSAR MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
FIVE KISH HOSPITAL DR, SUITE 201
DEKALB, IL 60115
Dekalb County (815) 748-8335

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is G N Endocrinology Ltd's NPI number?

The NPI number for G N Endocrinology Ltd is 1285957266. It was assigned to this organization in the NPPES registry on March 5, 2010.

Where is G N Endocrinology Ltd located?

G N Endocrinology Ltd is located at Five Kish Hospital Dr Suite 201, Dekalb, IL 60115. The listed phone number is (815) 748-8335.

What is G N Endocrinology Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for G N Endocrinology Ltd was last updated on October 10, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.