Dr. Todd M. Chatlos, MD

Education and training

• 2019Medical school: Virginia Commonwealth University, School of Medicine
• 2019Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

• Epilepsy Physician primary
  IL license 036174745 (first issued 2025; active) · CA license A178208 (first issued 2022; current) · IN license 01096730A
• Clinical Neurophysiology Physician
  CA license A178208 (first issued 2022; current)
• Neurology Physician
  CA license A178208 (first issued 2022; current) · IL license 036174745 (first issued 2025; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Neurology per capita by county →

Where they work

Hospitals

• The University of Chicago Medical Center Chicago, IL
• Ingalls Memorial Hospital Harvey, IL
• Herrin Hospital Herrin, IL
• Memorial Hospital of Carbondale Carbondale, IL
• Heartland Regional Medical Center Marion, IL

Medical groups

• University of Chicago (1,712 clinicians)
• The University of Chicago Medical Center (915 clinicians)
• Southern Illinois Medical Services Nfp (334 clinicians)
• Deaconess Illinois Specialty Clinic, Inc. (148 clinicians)

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.