Clinicians affiliated with Infectious Disease Specialists PC

11 clinicians on file with this group · most practice in Chicago-Naperville-Elgin, IL-IN · PAC ID 4981691862

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

10 clinicians affiliated with Infectious Disease Specialists PC are in the 2024 Medicare Part B data, 5 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Infectious Disease (5) · Nurse Practitioner (5)

Specialty links go to the specialty in Chicago-Naperville-Elgin, IL-IN.

Clinicians affiliated with Infectious Disease Specialists PC, 2024

Alphabetical by last name; 10.

NameSpecialtyCity
Siju T Chacko, M.D.Infectious DiseaseMerrillville, IN
Oliver P Diamante, M.DInfectious DiseaseValparaiso, IN
Kelly R Hardesty, NPNurse PractitionerKouts, IN
Tonya A Harvey, NPNurse PractitionerGary, IN
Candace Kapranos, FNP-CNurse PractitionerGary, IN
Kimberly K OppmanNurse PractitionerHighland, IN
Michael A Polich, N.P.Nurse PractitionerDyer, IN
Thomas K Sleweon, M.D.Infectious DiseaseHighland, IN
Ralph Villaran, M.D.Infectious DiseaseHighland, IN
Erika Young, D.O.Infectious DiseaseValparaiso, IN

Practice locations

Listed practice locations in Indiana.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations