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Endocrinologists in Illinois

Data updated monthly · Last refresh October 2026

437 Endocrinology, Diabetes & Metabolism providers practice in Illinois, including 208 (48%) offering telehealth. The largest concentration is in Chicago. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

437providers
208telehealth
Chicagotop city

Endocrinology, Diabetes & Metabolism by city in Illinois

Choose a city to see providers there.

Endocrinology, Diabetes & Metabolism in Chicago154 providers
Endocrinology, Diabetes & Metabolism in Springfield23 providers
Endocrinology, Diabetes & Metabolism in Skokie21 providers
Endocrinology, Diabetes & Metabolism in Maywood11 providers
Endocrinology, Diabetes & Metabolism in Arlington Heights10 providers
Endocrinology, Diabetes & Metabolism in Orland Park10 providers
Endocrinology, Diabetes & Metabolism in Park Ridge9 providers
Endocrinology, Diabetes & Metabolism in Aurora8 providers
Endocrinology, Diabetes & Metabolism in Champaign8 providers
Endocrinology, Diabetes & Metabolism in Merrionette Park8 providers
Endocrinology, Diabetes & Metabolism in Rockford7 providers
Endocrinology, Diabetes & Metabolism in Naperville7 providers
Endocrinology, Diabetes & Metabolism in Hinsdale7 providers
Endocrinology, Diabetes & Metabolism in Geneva6 providers
Endocrinology, Diabetes & Metabolism in Peoria6 providers
Endocrinology, Diabetes & Metabolism in Bourbonnais5 providers
Endocrinology, Diabetes & Metabolism in Bannockburn5 providers
Endocrinology, Diabetes & Metabolism in Elmhurst5 providers
Endocrinology, Diabetes & Metabolism in Quincy4 providers
Endocrinology, Diabetes & Metabolism in Burr Ridge4 providers
Endocrinology, Diabetes & Metabolism in Oak Lawn4 providers
Endocrinology, Diabetes & Metabolism in Buffalo Grove4 providers
Endocrinology, Diabetes & Metabolism in Moline4 providers
Endocrinology, Diabetes & Metabolism in Crystal Lake3 providers

Endocrinology, Diabetes & Metabolism providers in Illinois

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Theodore Mazzone
Skokie, IL · No drug or device payments recorded (2025) · (847) 663-5840
Dr. Amira Elmagbari, M.D, MSC
Springfield, IL · $910 in drug and device payments (2025) · (217) 545-8000
Dr. Chaitanya Mamillapalli, M.D, MRCP
Springfield, IL · $1,061 in drug and device payments (2025) · Telehealth · (217) 528-7541
Dr. Faryal Haider, MD
Springfield, IL · No drug or device payments recorded (2025) · (217) 545-8000
Dr. Gabriel Uwaifo, MD
Springfield, IL · $4,251 in drug and device payments (2025) · (217) 545-8000
Dr. Hadoun Jabri, MD
Springfield, IL · No drug or device payments recorded (2025) · (217) 545-8000
Dr. Jacobo Wortsman, MD
Springfield, IL · No drug or device payments recorded (2025) · (217) 670-2996
Dr. Jadwiga Wesly, M.D.
Springfield, IL · No drug or device payments recorded (2025) · (217) 528-7541
Dr. Jumana Abdelkarim, MD
Springfield, IL · $63 in drug and device payments (2025) · (217) 528-7541
Dr. Kevin Hazard, M.D.
Springfield, IL · $292 in drug and device payments (2025) · (217) 528-7541
Dr. Linda Ponce Rosas, MD
Springfield, IL · No drug or device payments recorded (2025) · (217) 545-8000
Dr. Lynn Speck, M.D.
Springfield, IL · No drug or device payments recorded (2025) · (217) 528-7541
Dr. Makarem Abulimon, M.D.
Springfield, IL · $128 in drug and device payments (2025) · Telehealth · (217) 545-8000
Dr. Mariam Murtaza Ali, M.D., MBBS
Springfield, IL · No drug or device payments recorded (2025) · Telehealth · (217) 545-8000
Dr. Marina Russo, MD
Springfield, IL · $1,230 in drug and device payments (2025) · Telehealth · (217) 787-8870
Dr. Michael Jakoby, M.D.
Springfield, IL · $267 in drug and device payments (2025) · (217) 545-3821
Dr. Morayo Ilubanwo
Springfield, IL · No drug or device payments recorded (2025) · (217) 545-8000
Dr. Musfarah Siraj, MD
Springfield, IL · No drug or device payments recorded (2025) · (217) 545-8000
Dr. Poornima Jayaramaiah, MD
Springfield, IL · $1,780 in drug and device payments (2025) · Telehealth · (217) 787-8870
Dr. Rama Poola, MD
Springfield, IL · $1,466 in drug and device payments (2025) · Telehealth · (217) 787-8870
Dr. Sanober Parveen, M.D.
Springfield, IL · $84 in drug and device payments (2025) · Telehealth · (217) 545-8000
Dr. Sufyan Said, M.D.
Springfield, IL · $1,021 in drug and device payments (2025) · Telehealth · (217) 528-7541
Dr. Suzan Al Gharaibeh, M.D.
Springfield, IL · No drug or device payments recorded (2025) · (217) 545-3821
Dr. Talmas Amorim Fernandes, M.D.
Springfield, IL · $51 in drug and device payments (2025) · Telehealth · (217) 545-8000
Dr. Thomas Tse, M.D.
Swansea, IL · No drug or device payments recorded (2025) · (618) 520-3003
Dr. Maria Aguilera Astudillo, MD
Sycamore, IL · $185 in drug and device payments (2025) · Telehealth · (815) 754-1097
Dr. Wendell Malalis, M.D.
Sycamore, IL · $426 in drug and device payments (2025) · Telehealth · (815) 754-1097
Dr. Curtis Krock, M.D.
Urbana, IL · No drug or device payments recorded (2025) · (217) 383-3311
Dr. Robert Kirby, M.D.
Urbana, IL · No drug or device payments recorded (2025) · (217) 383-3311
Dr. Harjyot Chahal, M.D.
Vernon Hills, IL · $55 in drug and device payments (2025) · Telehealth · (847) 535-7647
Dr. Frank Leung, MD
Waukegan, IL · No drug or device payments recorded (2025) · (847) 623-7590
Dr. Adam Stein, MD
Wheaton, IL · No drug or device payments recorded (2025) · Telehealth · (630) 208-6775
Dr. Faiza Anjum, MD
Wheaton, IL · No drug or device payments recorded (2025) · Telehealth · (630) 208-6775
Dr. Uzma Syed, M.D
Willowbrook, IL · $112 in drug and device payments (2025) · (630) 706-0189
Dr. Marjorie Mayer, MD
Winnetka, IL · No drug or device payments recorded (2025) · (847) 446-1829
Dr. Victoria Trendafilova, MD
Winnetka, IL · No drug or device payments recorded (2025) · Telehealth · (847) 220-7394
Dr. Winston Thein-wai, M.D
Woodridge, IL · No drug or device payments recorded (2025) · (630) 910-1177

Conditions Endocrinology, Diabetes & Metabolism providers in Illinois commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Endocrinology, Diabetes & Metabolism providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Endocrinology, Diabetes & Metabolism providers are in Illinois?

There are 437 Endocrinology, Diabetes & Metabolism providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.

Do Endocrinology, Diabetes & Metabolism providers in Illinois offer telehealth?

Yes. 208 of the 437 Endocrinology, Diabetes & Metabolism providers in Illinois (about 48%) report offering telehealth services in CMS data.

Which cities in Illinois have the most Endocrinology, Diabetes & Metabolism providers?

Chicago (154), Springfield (23), Skokie (21) have the highest concentration of Endocrinology, Diabetes & Metabolism providers in Illinois.

How many Endocrinology, Diabetes & Metabolism providers in Illinois received drug or device company payments?

236 of 437 Endocrinology, Diabetes & Metabolism providers in Illinois (54%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Endocrinology, Diabetes & Metabolism providers in Illinois treat?

Endocrinology, Diabetes & Metabolism providers commonly treat type 2 diabetes, thyroid disorders, osteoporosis, hormone imbalance, type 1 diabetes and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Endocrinologists in Illinois work in independent practices or large health systems?

Among 281 Endocrinologists in Illinois enrolled in Medicare, 14% bill through a solo or small practice with fewer than 10 clinicians, 2% through a mid-size group of 10 to 99, and 84% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Endocrinologists in Illinois work at?

According to CMS facility affiliation records, the Illinois hospitals where the most Endocrinologists hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northwestern Memorial Hospital in Chicago; Northwestern Lake Forest Hospital in Lake Forest.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Endocrinology, Diabetes & Metabolism in Illinois? Get featured.