Clinicians affiliated with Indiana University Radiology Associates Inc

178 clinicians on file with this group · most practice in Indianapolis-Carmel-Greenwood, IN · PAC ID 7315922267

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

169 clinicians affiliated with Indiana University Radiology Associates Inc are in the 2024 Medicare Part B data, 154 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 · Diagnostic Radiology (133) · Interventional Radiology (18) · Physician Assistant (9) · Nurse Practitioner (6) · Radiation Oncology (2) · Nuclear Medicine (1)

Specialty links go to the specialty in Indianapolis-Carmel-Greenwood, IN.

Clinicians affiliated with Indiana University Radiology Associates Inc, 2024

Alphabetical by last name; 101–169 of 169.

Name	Specialty	City
Abhiram Nagaraj, MD	Diagnostic Radiology	Oakland, CA
Matthew J Nartker, M.D.	Diagnostic Radiology	Indianapolis, IN
Nicholas J Nelson, MD	Diagnostic Radiology	Indianapolis, IN
Elizabeth A Nicholson, PA-C	Physician Assistant	Indianapolis, IN
Kathryn E Niemeyer, M.D.	Diagnostic Radiology	Maywood, IL
Daniel Nisi, MD	Diagnostic Radiology	Indianapolis, IN
Paul J Niziolek, M.D., PH.D.	Diagnostic Radiology	Indianapolis, IN
Jesus A Ocana, MD PHD	Diagnostic Radiology	Muncie, IN
Miala R Oliger, NP	Nurse Practitioner	Bloomington, IN
Wynton B Overcast, MD	Diagnostic Radiology	Muncie, IN
Kevin Parker, MD	Diagnostic Radiology	Ft Lauderdale, FL
Aashish A Patel, MD	Diagnostic Radiology	Indianapolis, IN
Sohil H Patel, MD	Diagnostic Radiology	Charlottesville, VA
Katherine H Patterson, MD	Diagnostic Radiology	Indianapolis, IN
Shereef M Ramadan, MD	Diagnostic Radiology	Indianapolis, IN
Stacy M Rissing, STACY RISSING	Diagnostic Radiology	Indianapolis, IN
Zak Ritchey, MD	Diagnostic Radiology	Aurora, CO
Jean Kimberly Rongo, DO	Diagnostic Radiology	Pittsburgh, PA
Trenton D Roth, M.D.	Diagnostic Radiology	Indianapolis, IN
Gianvito L Salerno, M.D.	Interventional Radiology	Muncie, IN
Mahmoud Samman, MD	Diagnostic Radiology	Indianapolis, IN
Terri T Samuel, MD	Diagnostic Radiology	Indianapolis, IN
Duane L Schonlau, MD	Diagnostic Radiology	Jacksonville, FL
Riza Seit, MD	Diagnostic Radiology	Brooklyn, NY
Ted A Seltman, M.D.	Diagnostic Radiology	Indianapolis, IN
Himanshu Shah, MD	Interventional Radiology	Indianapolis, IN
Rajiv R Shah, MD	Diagnostic Radiology	Cleveland, OH
Roman Shrestha, MD	Diagnostic Radiology	Charlottesville, VA
Michael R Shroads, M.D.	Radiation Oncology	Roanoke, IN
Paul P Shu, MD	Diagnostic Radiology	Indianapolis, IN
Justin B Sims, M.D.	Nuclear Medicine	Indianapolis, IN
Jessica L Smith, MD	Diagnostic Radiology	Indianapolis, IN
Kevin L Smith, MD	Diagnostic Radiology	Indianapolis, IN
Leslie E Snider, PA-C	Physician Assistant	Indianapolis, IN
Chad M Sorenson, M.D.	Diagnostic Radiology	Indianapolis, IN
Cortney M Sostarich, MD	Diagnostic Radiology	Carmel, IN
Scott D Steenburg, MD	Diagnostic Radiology	Indianapolis, IN
Drew A Streicher, M.D.	Diagnostic Radiology	Indianapolis, IN
Nucharin Supakul, M.D.	Diagnostic Radiology	Indianapolis, IN
Jordan K Swensson, MD	Diagnostic Radiology	Indianapolis, IN
Bilal Tahir, M.D.	Diagnostic Radiology	Indianapolis, IN
Mark Tann, M.D.	Diagnostic Radiology	Indianapolis, IN
Robert D Tarver, M.D.	Diagnostic Radiology	Indianapolis, IN
Shawn D Teague, MD	Radiation Oncology	Indianapolis, IN
Juan G Tejada, M.D.	Interventional Radiology	Indianapolis, IN
Matthew E Thomas, NP	Nurse Practitioner	Lafayette, IN
Temel Tirkes, MD	Diagnostic Radiology	Indianapolis, IN
David D To, MD	Diagnostic Radiology	Indianapolis, IN
Andrea M Tompkins, MD	Diagnostic Radiology	Indianapolis, IN
Nicholas E Townsend, PA-C	Physician Assistant	Indianapolis, IN
Juan N Useche Gomez, M.D.	Diagnostic Radiology	Indianapolis, IN
Ester P Van Der Wal, MD	Diagnostic Radiology	South Bend, IN
Katharine E Walls, NP	Nurse Practitioner	Indianapolis, IN
Matthew R Wanner, MD	Diagnostic Radiology	Franklin, IN
Jessica L Watts, NP-C	Nurse Practitioner	Carmel, IN
Barry T Wertz, PA-C	Physician Assistant	Fort Wayne, IN
Eric D Westin, MD	Diagnostic Radiology	Indianapolis, IN
Steven M Westphal, MD	Diagnostic Radiology	Indianapolis, IN
Brian D White, MD	Diagnostic Radiology	Indianapolis, IN
Terrence D Wilkin, MD	Interventional Radiology	Mishawaka, IN
Jamison L Wilson, M.D.	Interventional Radiology	Muncie, IN
William Win, MD	Diagnostic Radiology	Indianapolis, IN
Todd A Winkler, MD	Diagnostic Radiology	Bloomington, IN
Kyle K Wojcik, MD	Diagnostic Radiology	New Orleans, LA
George K Wolfer, MD	Interventional Radiology	Bloomington, IN
Isaac C Wu, M.D.	Diagnostic Radiology	Indianapolis, IN
Eslam W Youssef, M.D.	Diagnostic Radiology	Indianapolis, IN
Marianna Zagurovskaya, M.D.	Diagnostic Radiology	Fishers, IN
James Y Zhang, MD, PHD	Diagnostic Radiology	Vienna, VA

Practice locations

Listed practice locations in Arkansas, Arizona, California, Colorado, Illinois, Indiana, Kentucky, Michigan, Missouri, Pennsylvania, Virginia.

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