Infectious Disease Specialists in Illinois
Data updated monthly · Last refresh October 2026
463 Infectious Disease providers practice in Illinois, including 173 (37%) 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.
463providers
173telehealth
Chicagotop city
Infectious Disease by city in Illinois
Choose a city to see providers there.
Where Infectious Disease Specialists in Illinois practice
From CMS Medicare enrollment records covering 289 of the 463 providers listed here (62%). Providers who do not bill Medicare are not included in these figures.
13%solo or small practice (under 10 clinicians)
8%mid-size group (10 to 99)
79%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Infectious Disease Specialists | All clinicians in group | Main city |
| Metro Infectious Disease Consultants LLC | 59 | 386 | Burr Ridge |
| Cook County | 28 | 770 | Chicago |
| Northwestern Medical Faculty Foundation | 19 | 4,386 | Chicago |
| Rush University Medical Group | 18 | 1,521 | Chicago |
| The Board of Trustees of the University of Illinois | 17 | 1,134 | Chicago |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Infectious Disease Specialists affiliated |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 31 |
| Northwestern Medicine Central Dupage Hospital | Winfield | Nonprofit | 5 of 5 | 29 |
| John H Stroger Jr Hospital | Chicago | Government | 2 of 5 | 19 |
| Rush University Medical Center | Chicago | Nonprofit | 5 of 5 | 19 |
| Advocate Christ Hospital & Medical Center | Oak Lawn | Nonprofit | 3 of 5 | 19 |
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.
Infectious Disease 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. Laura Williams, MD, MPHAbbott Park, IL · $31 in drug and device payments (2025) ·
(847) 935-8755 Dr. Rafael De La Cruz, MD Dr. Brian Wolf, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-7226 Dr. Cristian Speil, MDArlington Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-5030 Dr. Guy Kochvar, MDArlington Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-5030 Dr. Jennifer Steinbeck, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-5030 Dr. Luis Guzman Vinasco, MDArlington Heights, IL · $34 in drug and device payments (2025) · Telehealth ·
(847) 255-5030 Dr. Patrick Mulligan, DOArlington Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-5030 Dr. Trevor Slom, MDArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 255-5030 Dr. Vern Kerchberger, MDArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 255-5030 Dr. Karen Meyer, ANPArlington Hgts, IL · No drug or device payments recorded (2025) ·
(847) 255-5030 Dr. Marcia Huston, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 859-6700 Dr. Priyadarshini Verma, M.D.Aurora, IL · $94 in drug and device payments (2025) · Telehealth ·
(630) 859-6700 Dr. Omer Badahman, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 233-2220 Dr. Kimberly Pyle, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 795-3975 Dr. Anjum Owaisi, M.D.Bolingbrook, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Ines Casey, M.D.Bolingbrook, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Jonathan Pinsky, MDBolingbrook, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Alan Salazar, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 654-4201 Dr. Andrew Thompson, M.D.Burr Ridge, IL · No drug or device payments recorded (2025) ·
(630) 654-4201 Dr. Aneta Bush, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6432 Dr. Brian Harting, M.D.Burr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. David Beezhold, DOBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. David Pitrak, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. David Waitley, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Eileen Hasse, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Elaine Petrof, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Hannah Lichota, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6432 Dr. Hillary Chang, DOBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 590-2830 Dr. Jaime Belmares Avalos, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Javier Aguilar Aragon, M.D.Burr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6432 Dr. Jay Purdy, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Joanna Ortiz, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6432 Dr. Kenneth Pursell, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Manjula Dundoo, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6432 Dr. Mark Dworkin, MDBurr Ridge, IL · $27 in drug and device payments (2025) ·
(888) 220-6432 Dr. Mark Levin, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6432 Dr. Nishi Sahgal, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Ram Ramani, M.D.Burr Ridge, IL · $307 in drug and device payments (2025) · Telehealth ·
(888) 220-6432 Dr. Roberto Viau Colindres, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Robert Petrak, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 654-4201 Dr. Rodica Dumitru, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(888) 220-6431 Dr. Russell Petrak, MDBurr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Subina Gurung, M.D.Burr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. Vishal Didwania, M.D.Burr Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 220-6432 Dr. William Stoecker, MDBurr Ridge, IL · $27 in drug and device payments (2025) ·
(888) 220-6432 Dr. Terrilyne Cole, MD, MBACentreville, IL · No drug or device payments recorded (2025) ·
(618) 337-8153 Dr. Albert England, M.D.Champaign, IL · $23 in drug and device payments (2025) ·
(217) 366-1200 Conditions Infectious Disease providers in Illinois commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Infectious Disease providers. Individual practices vary, so confirm with the provider before booking.
- Long COVID
- HIV care
- Lyme disease
- Recurrent infections
- Travel medicine
Common questions
How many Infectious Disease providers are in Illinois?There are 463 Infectious Disease providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Infectious Disease providers in Illinois offer telehealth?Yes. 173 of the 463 Infectious Disease providers in Illinois (about 37%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Infectious Disease providers?Chicago (216), Burr Ridge (28), Springfield (17) have the highest concentration of Infectious Disease providers in Illinois.
How many Infectious Disease providers in Illinois received drug or device company payments?130 of 463 Infectious Disease providers in Illinois (28%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Infectious Disease providers in Illinois treat?Infectious Disease providers commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine 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 Infectious Disease Specialists in Illinois work in independent practices or large health systems?Among 289 Infectious Disease Specialists in Illinois enrolled in Medicare, 13% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Infectious Disease Specialists in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Infectious Disease Specialists hold privileges are Northwestern Memorial Hospital in Chicago; Northwestern Medicine Central Dupage Hospital in Winfield; John H Stroger Jr Hospital in Chicago.
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