Neurosurgeons in Illinois
Data updated monthly · Last refresh October 2026
373 Neurological Surgery providers practice in Illinois, including 76 (20%) 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.
373providers
76telehealth
Chicagotop city
Neurological Surgery by city in Illinois
Choose a city to see providers there.
Where Neurosurgeons in Illinois practice
From CMS Medicare enrollment records covering 175 of the 373 providers listed here (47%). Providers who do not bill Medicare are not included in these figures.
4%solo or small practice (under 10 clinicians)
2%mid-size group (10 to 99)
94%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Neurosurgeons | All clinicians in group | Main city |
| Northwestern Medical Faculty Foundation | 31 | 4,386 | Chicago |
| Advocate Health and Hospitals Corp.oration | 21 | 3,081 | Buffalo Grove |
| Endeavor Health Medical Group | 19 | 3,330 | Evanston |
| University of Chicago | 14 | 1,674 | Chicago |
| Rush University Medical Group | 13 | 1,521 | Chicago |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Neurosurgeons affiliated |
| Northwestern Medicine Central Dupage Hospital | Winfield | Nonprofit | 5 of 5 | 22 |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 19 |
| Northwestern Lake Forest Hospital | Lake Forest | Nonprofit | 5 of 5 | 18 |
| Northwestern Medicine Mchenry | Mchenry | Nonprofit | 5 of 5 | 18 |
| The University of Chicago Medical Center | Chicago | Nonprofit | 4 of 5 | 14 |
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.
Neurological Surgery 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. Abdulrahman Albakr, M.D.Arlington Heights, IL · $198 in drug and device payments (2025) ·
(847) 618-4430 Dr. Amin Kassam, MDArlington Heights, IL · $16,831 in drug and device payments (2025) ·
(847) 618-4430 Dr. Azeem Rehman, MDArlington Heights, IL · $21 in drug and device payments (2025) ·
(847) 618-4430 Dr. Mina Foroohar, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 398-9100 Dr. Rene Pecson, MDArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 398-3087 Dr. Russell Nockels, MDArlington Heights, IL · $123,791 in drug and device payments (2025) ·
(847) 618-4430 Dr. Tibor Boco, M.D.Arlington Heights, IL · $1,728 in drug and device payments (2025) ·
(708) 343-3566 Dr. Dmitry Ruban, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-6770 Dr. Fred Geisler, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 236-4303 Dr. Kevin Kelly, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-6770 Dr. Kenneth Peirce, MDBarrington, IL · No drug or device payments recorded (2025) ·
(206) 276-7786 Dr. Bradley Budde, MDBelleville, IL · $3,350 in drug and device payments (2025) · Telehealth ·
(618) 212-6620 Dr. Christopher Heffner, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 222-9192 Dr. Nicholas Poulos, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 222-1341 Dr. Ann Stroink, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 662-7500 Dr. Charles Rosen, M.D.Bloomington, IL · $1,606 in drug and device payments (2025) · Telehealth ·
(309) 662-7500 Dr. Emilio Nardone, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 662-7500 Dr. Jason Seibly, D.O.Bloomington, IL · $84 in drug and device payments (2025) ·
(309) 662-7500 Dr. Keith Kattner, D.O.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 662-7500 Dr. Frederick Brown, MDBurr Ridge, IL · $118 in drug and device payments (2025) ·
(773) 834-4064 Dr. Javad Hekmatpanah, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Dongwoo Chang, M.D.Carbondale, IL · No drug or device payments recorded (2025) ·
(618) 351-4972 Dr. Eric Eskioglu, MDCarbondale, IL · $157 in drug and device payments (2025) ·
(618) 351-4972 Dr. Eric Hudgins, MDCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 351-4972 Dr. Eugenio Vargas, MDCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 351-4972 Dr. Gordon Chu, M.D.Carbondale, IL · $212 in drug and device payments (2025) ·
(618) 351-4972 Dr. Mark FlemingCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 351-4972 Dr. Harb Boury, MDCarol Stream, IL · No drug or device payments recorded (2025) ·
(630) 653-2599 Dr. John Helfrich, M.D.Champaign, IL · $28 in drug and device payments (2025) ·
(217) 366-1266 Dr. Abdallah Salemdawod, MDChicago, IL · No drug or device payments recorded (2025) ·
(888) 352-7874 Dr. Adam Sonabend Worthalter, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-0990 Dr. Adewale Bakare, MDChicago, IL · $75,412 in drug and device payments (2025) ·
(800) 226-2371 Dr. Ahmad Elakil, MD, MBAChicago, IL · $3,027 in drug and device payments (2025) ·
(786) 731-6631 Dr. Ahmet Atik, MDChicago, IL · No drug or device payments recorded (2025) ·
(177) 370-2123 Dr. Akshay Kulkarni, M.B.B.SChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Ali Alaraj, M.DChicago, IL · $21,519 in drug and device payments (2025) · Telehealth ·
(866) 600-2273 Dr. Aman Singh, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-8143 Dr. Ammad Baig, MDChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Amy Heimberger, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-8143 Dr. Anastasios RoumeliotisChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Andrew Johnson, M.D.Chicago, IL · $739 in drug and device payments (2025) · Telehealth ·
(773) 878-8200 Dr. Anran Li, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Arka Mallela, NDChicago, IL · $131 in drug and device payments (2025) ·
(312) 942-6644 Dr. Aruna Ganju, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-8143 Dr. Ashley Selner, MD, PH.DChicago, IL · $211 in drug and device payments (2025) ·
(312) 926-2000 Conditions Neurological Surgery providers in Illinois commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Neurological Surgery providers. Individual practices vary, so confirm with the provider before booking.
- Herniated disc
- Brain tumors
- Spinal stenosis
- Trigeminal neuralgia
Common questions
How many Neurological Surgery providers are in Illinois?There are 373 Neurological Surgery providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Neurological Surgery providers in Illinois offer telehealth?Yes. 76 of the 373 Neurological Surgery providers in Illinois (about 20%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Neurological Surgery providers?Chicago (171), Maywood (19), Springfield (18) have the highest concentration of Neurological Surgery providers in Illinois.
How many Neurological Surgery providers in Illinois received drug or device company payments?219 of 373 Neurological Surgery providers in Illinois (59%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Neurological Surgery providers in Illinois treat?Neurological Surgery providers commonly treat herniated disc, brain tumors, spinal stenosis, trigeminal neuralgia 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 Neurosurgeons in Illinois work in independent practices or large health systems?Among 175 Neurosurgeons in Illinois enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 2% through a mid-size group of 10 to 99, and 94% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Neurosurgeons in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Neurosurgeons 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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