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 Chicago | 154 providers |
| Endocrinology, Diabetes & Metabolism in Springfield | 23 providers |
| Endocrinology, Diabetes & Metabolism in Skokie | 21 providers |
| Endocrinology, Diabetes & Metabolism in Maywood | 11 providers |
| Endocrinology, Diabetes & Metabolism in Arlington Heights | 10 providers |
| Endocrinology, Diabetes & Metabolism in Orland Park | 10 providers |
| Endocrinology, Diabetes & Metabolism in Park Ridge | 9 providers |
| Endocrinology, Diabetes & Metabolism in Aurora | 8 providers |
| Endocrinology, Diabetes & Metabolism in Champaign | 8 providers |
| Endocrinology, Diabetes & Metabolism in Merrionette Park | 8 providers |
| Endocrinology, Diabetes & Metabolism in Rockford | 7 providers |
| Endocrinology, Diabetes & Metabolism in Naperville | 7 providers |
| Endocrinology, Diabetes & Metabolism in Hinsdale | 7 providers |
| Endocrinology, Diabetes & Metabolism in Geneva | 6 providers |
| Endocrinology, Diabetes & Metabolism in Peoria | 6 providers |
| Endocrinology, Diabetes & Metabolism in Bourbonnais | 5 providers |
| Endocrinology, Diabetes & Metabolism in Bannockburn | 5 providers |
| Endocrinology, Diabetes & Metabolism in Elmhurst | 5 providers |
| Endocrinology, Diabetes & Metabolism in Quincy | 4 providers |
| Endocrinology, Diabetes & Metabolism in Burr Ridge | 4 providers |
| Endocrinology, Diabetes & Metabolism in Oak Lawn | 4 providers |
| Endocrinology, Diabetes & Metabolism in Buffalo Grove | 4 providers |
| Endocrinology, Diabetes & Metabolism in Moline | 4 providers |
| Endocrinology, Diabetes & Metabolism in Crystal Lake | 3 providers |
Where Endocrinologists in Illinois practice
From CMS Medicare enrollment records covering 281 of the 437 providers listed here (64%). Providers who do not bill Medicare are not included in these figures.
14%solo or small practice (under 10 clinicians)
2%mid-size group (10 to 99)
84%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Endocrinologists | All clinicians in group | Main city |
| Endeavor Health Medical Group | 33 | 3,330 | Evanston |
| Northwestern Medical Faculty Foundation | 25 | 4,386 | Chicago |
| Central Dupage Physician Group | 24 | 1,087 | Wheaton |
| Advocate Health and Hospitals Corp.oration | 20 | 3,081 | Chicago |
| University of Chicago | 20 | 1,674 | Chicago |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Endocrinologists affiliated |
| Northwestern Medicine Central Dupage Hospital | Winfield | Nonprofit | 5 of 5 | 76 |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 41 |
| Northwestern Lake Forest Hospital | Lake Forest | Nonprofit | 5 of 5 | 36 |
| Northshore University Healthsystem - Evanston Hospital | Evanston | Nonprofit | 5 of 5 | 35 |
| Palos Community Hospital | Palos Heights | Nonprofit | 4 of 5 | 29 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Wael Girgis, M.D.Alton, IL · No drug or device payments recorded (2025) ·
(618) 433-6170 Dr. Wonil Tae, MDAlton, IL · No drug or device payments recorded (2025) ·
(618) 642-2222 Dr. Aspin Makadia, MDArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-0326 Dr. Daniel So, M.D.Arlington Heights, IL · $35,975 in drug and device payments (2025) · Telehealth ·
(847) 228-3200 Dr. Dipal Shah, DOArlington Heights, IL · $48 in drug and device payments (2025) · Telehealth ·
(847) 725-8401 Dr. Elena BarengoltsArlington Heights, IL · $2,958 in drug and device payments (2025) · Telehealth ·
(847) 870-1702 Dr. George Motto, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 394-0846 Dr. Luis Soruco, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 228-3200 Dr. Maria Justina Villano, MDArlington Heights, IL · $129 in drug and device payments (2025) · Telehealth ·
(847) 725-8453 Dr. Mario Chan, M.D.Arlington Heights, IL · $6,972 in drug and device payments (2025) · Telehealth ·
(847) 228-3200 Dr. Paraskevi Sapountzi, MDArlington Heights, IL · $3,844 in drug and device payments (2025) · Telehealth ·
(847) 228-3200 Dr. Zubair Ilyas, MDArlington Heights, IL · $3,487 in drug and device payments (2025) · Telehealth ·
(847) 228-3200 Dr. Baani Singh, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-4889 Dr. Betsy Bennet, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 859-6700 Dr. Christine Cox, D.OAurora, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 859-6700 Dr. Mini Sara Cherian, M.D Dr. Padmalatha Berikai, MDAurora, IL · $108 in drug and device payments (2025) · Telehealth ·
(630) 978-4889 Dr. Suneetha Vysetti, MDAurora, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 978-4889 Dr. Tharani Rajeswaran, M.D.Aurora, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 851-3105 Dr. Annie Skariah, MDBannockburn, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 663-8540 Dr. Eve Bloomgarden, MDBannockburn, IL · $15,813 in drug and device payments (2025) ·
(847) 663-8540 Dr. Karolina Machnica, DOBannockburn, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 663-8540 Dr. Megan Crawford, D.O.Bannockburn, IL · $104 in drug and device payments (2025) · Telehealth ·
(847) 663-8540 Dr. Sara Chowdhury, M.D.Bannockburn, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 663-8540 Dr. Qamar Al Tinawi, MBBSBelleville, IL · No drug or device payments recorded (2025) ·
(531) 239-6564 Dr. Abdullah Melhim, MDBloomingdale, IL · $193 in drug and device payments (2025) ·
(630) 208-6775 Dr. Paul Menet, MDBloomingdale, IL · No drug or device payments recorded (2025) ·
(630) 893-2190 Dr. Raeda Alshantti, MDBloomingdale, IL · No drug or device payments recorded (2025) ·
(630) 208-6775 Dr. Vijay Kumar, M.D.Bloomington, IL · No drug or device payments recorded (2025) · Telehealth ·
(309) 664-3800 Dr. Ashraf UddinBourbonnais, IL · $255 in drug and device payments (2025) ·
(815) 936-8909 Dr. Jabiz Behzadpour, DOBourbonnais, IL · $104 in drug and device payments (2025) ·
(815) 936-8909 Dr. Maureen Morgan O'connor, MDBourbonnais, IL · $215 in drug and device payments (2025) · Telehealth ·
(815) 936-8909 Dr. Rachel Shell, MDBourbonnais, IL · $107 in drug and device payments (2025) · Telehealth ·
(815) 936-8909 Dr. Sara Elizabeth Yap, MDBourbonnais, IL · $131 in drug and device payments (2025) ·
(815) 936-8909 Dr. Ammara Aziz, MDBuffalo Grove, IL · $590 in drug and device payments (2025) · Telehealth ·
(847) 618-0326 Dr. George Thott, M.DBuffalo Grove, IL · No drug or device payments recorded (2025) ·
(847) 618-0326 Dr. Gregory Clark, M.D.Buffalo Grove, IL · $234 in drug and device payments (2025) ·
(847) 541-4878 Dr. Inessa Gelfand, M.D.Buffalo Grove, IL · $2,725 in drug and device payments (2025) · Telehealth ·
(630) 566-9565 Dr. Ann Lawrence, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(630) 325-3128 Dr. Murray Favus, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Plamen Penev, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Samuel Refetoff, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Farah ZiyadehCarbondale, IL · $188 in drug and device payments (2025) ·
(618) 549-5361 Dr. Is-haq Malik, MDCarbondale, IL · $1,897 in drug and device payments (2025) ·
(618) 549-5361 Dr. Aileen WestrickCarol Stream, IL · $324 in drug and device payments (2025) · Telehealth ·
(630) 688-3210 Dr. William Bayer, MDCarol Stream, IL · $1,269 in drug and device payments (2025) · Telehealth ·
(630) 668-3210 Dr. Kathryn Wilson, MDChampaign, IL · No drug or device payments recorded (2025) ·
(217) 383-3490 Dr. Kingsley Onyemere, MDChampaign, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 383-3490 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.
- Type 2 diabetes
- Thyroid disorders
- Osteoporosis
- Hormone imbalance
- Type 1 diabetes
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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