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Physician Bios

Click on the Dr.'s name below to view his or her bio.

Macksood A. Aftab, D.O. Kimberly Johnson, M.D. Nasser O. Qadri, M.D.
Jamal U. Akbar, M.D. Sambasiva Kottamasu, M.D. F.A.C.R. Clinton E. Rogers, M.D.
George A. Arnold, M.D. Peter A. Lassing, M.D. Peter M. Rydesky, M.D.
George F. Ascherl, Jr., M.D., F.A.C.R. Mark R. Ludka, M.D. Biren R. Shah, M.D.
Lawrence J. Ashker, D.O. Marcus W.C. MacNealy, M.D. Sanjay J. Talati, M.D.
Chirdeep Bhutani, M.D. Sigrid E. Messana, D.O. Julie Taylor, M.D.
Scott E. Cheney, M.D. Steve Min, D.O., MPH, MBA, FAOCR Venkatramana R. Vattipally, M.D.
Kristin M. Constantino, M.D. Rajesh Mithalal, M.D. Chandler G. Veenhuis, D.O.
Gerard P. Farrar, M.D. Nobuo Nakagawa, M.D. Matthew L. Waack, M.D.
Ramakrishnayya K. Gadam, M.D., F.A.C.R. Gopi K. Nallani, M.D. William K. Wong, M.D.
Michael A. Gedwill, D.O. Kristin M. Nelsen, M.D. Harvey K. Yee, M.D.

Physician Assistants

Jean E. Darnell, PA-C, BS RT(R)(M)
Brandy Piechowski, PA-C
Robert E. Toevs, PA-C

Macksood A. Aftab, D.O..

  • Staff Radiologist
  • Covenant HealthCare
  • St. Joseph Health System-Tawas
  • St. Mary’s of Michigan
  • St. Mary’s of Michigan-Standish Hospital
  • West Branch Regional Medical Center
Medical Degree and Fellowships
  • Kirksville College of Ostepathic Medicine
  • Kirksville, MO
Neuroradiology Fellowship
  • Harvard Medical School – BIDMC
  • Boston, MA
Internship
  • Genesys Regional Medical Center - MSUCOM
  • Grand Blanc, MI
Residency
  • Diagnostic Radiology Residency
  • Tufts Medical Center
  • Boston, MA
Certification
  • American Board of Radiology