Sleep Medicine Doctors (Internal Medicine) in Illinois
Data updated monthly · Last refresh October 2026
39 Sleep Medicine (Internal Medicine) providers practice in Illinois, including 17 (44%) 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.
39providers
17telehealth
Chicagotop city
Sleep Medicine (Internal Medicine) by city in Illinois
Choose a city to see providers there.
Where Sleep Medicine Doctors (Internal Medicine) in Illinois practice
From CMS Medicare enrollment records covering 24 of the 39 providers listed here (62%). Providers who do not bill Medicare are not included in these figures.
13%solo or small practice (under 10 clinicians)
13%mid-size group (10 to 99)
75%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Sleep Medicine Doctors (Internal Medicine) | All clinicians in group | Main city |
| Northwestern Medical Faculty Foundation | 4 | 4,386 | Chicago |
| Rush University Medical Group | 4 | 1,521 | Chicago |
| The Board of Trustees of the University of Illinois | 3 | 1,134 | Chicago |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Sleep Medicine Doctors (Internal Medicine) affiliated |
| Rush Oak Park Hospital | Oak Park | Nonprofit | 4 of 5 | 4 |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 4 |
| Rush University Medical Center | Chicago | Nonprofit | 5 of 5 | 4 |
| Northwestern Lake Forest Hospital | Lake Forest | Nonprofit | 5 of 5 | 4 |
| University of Illinois Hospital and Clinics | Chicago | Government | 4 of 5 | 3 |
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.
Sleep Medicine (Internal Medicine) 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. Amy Guralnick, M.D.Chicago, IL · $100 in drug and device payments (2025) · Telehealth ·
(773) 834-5400 Dr. Ashesha Mechineni, MD, FACPChicago, IL · $90 in drug and device payments (2025) · Telehealth ·
(312) 355-1091 Dr. Carmen Taype-roberts, M.D., PH.D.Chicago, IL · $1,210 in drug and device payments (2025) ·
(312) 296-2000 Dr. Chimuanya Okoli, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 296-5424 Dr. Farbod Ghods, M.DChicago, IL · No drug or device payments recorded (2025) ·
(773) 834-3500 Dr. Gorav Sharma, MDChicago, IL · $487 in drug and device payments (2025) · Telehealth ·
(773) 702-9660 Dr. James Rowley, MDChicago, IL · $90 in drug and device payments (2025) · Telehealth ·
(312) 942-5440 Dr. Jason Peng, MDChicago, IL · $75 in drug and device payments (2025) · Telehealth ·
(312) 695-7950 Dr. Jehad Abdalla, MDChicago, IL · $678 in drug and device payments (2025) ·
(773) 702-9660 Dr. Jeremy Wearn, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-9660 Dr. John Coleman, M.D.Chicago, IL · $7,771 in drug and device payments (2025) · Telehealth ·
(312) 908-3245 Dr. Julie Neborak, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-5000 Dr. Lindsay Mccullough, M.D.Chicago, IL · $1,022 in drug and device payments (2025) · Telehealth ·
(312) 942-4100 Dr. Michael OrangiasChicago, IL · $106 in drug and device payments (2025) ·
(312) 503-3936 Dr. Naveed Mallick, MDChicago, IL · $178 in drug and device payments (2025) ·
(773) 321-0200 Dr. Nneoma Eneh, M.D.Chicago, IL · $909 in drug and device payments (2025) ·
(312) 942-5000 Dr. Paul Chung, DOChicago, IL · $26 in drug and device payments (2025) · Telehealth ·
(312) 503-2849 Dr. Sai Sunkara, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2740 Dr. Shilpa ViswanathChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Simar ChawlaChicago, IL · $92 in drug and device payments (2025) · Telehealth ·
(877) 766-6984 Dr. Sushmita Pamidi, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-2181 Dr. Upneet Chawla, M.D.Chicago, IL · $303 in drug and device payments (2025) · Telehealth ·
(312) 942-5440 Dr. Robert Hart, MDElk Grove Village, IL · No drug or device payments recorded (2025) ·
(847) 981-3660 Dr. Nelson Yu, MDGranite City, IL · $1,093 in drug and device payments (2025) ·
(618) 798-8405 Dr. Jessica Cooksey, MDGrayslake, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 535-7658 Dr. Jonathan Warren, MDJoliet, IL · $635 in drug and device payments (2025) · Telehealth ·
(815) 773-9090 Dr. Philip Leung, M.D.Joliet, IL · $1,077 in drug and device payments (2025) · Telehealth ·
(815) 725-2653 Dr. Syed Sayeeduddin, M.D.Joliet, IL · $36,510 in drug and device payments (2025) · Telehealth ·
(815) 773-9090 Dr. Nisha Patel, MDLibertyville, IL · $890 in drug and device payments (2025) · Telehealth ·
(847) 231-4721 Dr. Izayadeth Jennings, M.D. Dr. Robert Aronson, M.D.Olympia Fields, IL · No drug or device payments recorded (2025) ·
(708) 983-6060 Dr. Helen Martin, M.M.Orland Park, IL · No drug or device payments recorded (2025) ·
(708) 364-0261 Dr. Richard CzumaPalos Heights, IL · $305 in drug and device payments (2025) · Telehealth ·
(708) 923-3420 Dr. Vivek Thappa, MDRockford, IL · $1,285 in drug and device payments (2025) ·
(779) 696-6102 Dr. Noman Baig, MDSchaumburg, IL · $1,101 in drug and device payments (2025) ·
(847) 618-4340 Dr. Wojciech Ornowski, MDSouth Holland, IL · $244 in drug and device payments (2025) ·
(708) 566-4134 Dr. Kim TreviranusSterling, IL · No drug or device payments recorded (2025) ·
(815) 625-4790 Dr. Keith Warren, MDWinfield, IL · No drug or device payments recorded (2025) ·
(630) 690-4993 Common questions
How many Sleep Medicine (Internal Medicine) providers are in Illinois?There are 39 Sleep Medicine (Internal Medicine) providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Sleep Medicine (Internal Medicine) providers in Illinois offer telehealth?Yes. 17 of the 39 Sleep Medicine (Internal Medicine) providers in Illinois (about 44%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Sleep Medicine (Internal Medicine) providers?Chicago (23), Joliet (3), Winfield (1) have the highest concentration of Sleep Medicine (Internal Medicine) providers in Illinois.
How many Sleep Medicine (Internal Medicine) providers in Illinois received drug or device company payments?26 of 39 Sleep Medicine (Internal Medicine) providers in Illinois (67%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Sleep Medicine Doctors (Internal Medicine) in Illinois work in independent practices or large health systems?Among 24 Sleep Medicine Doctors (Internal Medicine) in Illinois enrolled in Medicare, 13% bill through a solo or small practice with fewer than 10 clinicians, 13% through a mid-size group of 10 to 99, and 75% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Sleep Medicine Doctors (Internal Medicine) in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Sleep Medicine Doctors (Internal Medicine) hold privileges are Rush Oak Park Hospital in Oak Park; Northwestern Memorial Hospital in Chicago; Rush University Medical Center in Chicago.
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