Obesity-Medicine & Endocrinology Practices in Illinois

520 NPI-verified obesity-medicine, endocrinology, and bariatric practices across 193 Illinois cities — sourced directly from the CMS National Provider registry. The directory also lists 494 facility-type clinics and 79 primary-care clinicians statewide whose CMS taxonomy also includes obesity medicine (see the Taxonomy Mix and per-city bands below).

Illinois at a Glance

NPI-verified clinics
1,093
CMS national registry
Cities with a listing
193
Across Illinois
Obesity-medicine + endo (core)
526
Primary taxonomy match
Bariatric surgery practices
419
Surgical taxonomy

Taxonomy Mix

Of the 1,093 Illinois practices in this directory, 526 carry a core obesity-medicine or endocrinology taxonomy (13 Obesity Medicine, 513 Endocrinology, Diabetes & Metabolism), 7 are multi-specialty or primary-care clinic facilities, 419 carry a bariatric-surgery taxonomy, 18 carry a bariatric-medicine-adjacent combination taxonomy, 115 are family or internal medicine practices, and 8 are nurse-practitioner or physician-assistant enumerations.

Top Cities by Clinic Count

Cities with at least 3 clinics and 1 named, address-resolved practice have their own dedicated page. Smaller cities are listed below with their clinic count.

All Illinois Cities (193)

Browse all 193 Illinois cities in this directory A–Z

Prefer Telehealth?

In-person obesity-medicine and endocrinology visits are one path to GLP-1 treatment. Many Illinois residents instead use a licensed telehealth provider that ships compounded semaglutide or tirzepatide directly to their address — see our full list of GLP-1 telehealth providers serving Illinois for pricing and reviews, or compare the best semaglutide and tirzepatide providers nationwide.

Frequently Asked Questions