Cook County Hospital Resident Staff
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Chief Residents:

Mahoua Ray, M.D.
Reza Mohammad, M.D.


PGY-5
Sebastian M. Guman, M.D.
Andrzej Szczepanek, M.D.
Margaret I. Williams, M.D.

PGY-4
Arron Harville, M.D.
Reza Mohammad, M.D.
Doris E. Ore Sosa, M.D.
Oyetokunbo O. Oyetunde, M.D.
Malini B. Rao, M.D.
Mahoua Ray, M.D.
Jaroslav M. Tymouch, M.D.


PGY-3
Piotr C. Al-Jindi, M.D.
Oyebisi S. Aremu, M.D.
Vinitha P. Asokan, M.D.
Nandak S. Choksi, M.D.
Daniel J. Costigan, D.O., MPH
Kendra D. Outler, M.D., MPH
Hyang Won Paek, M.D.
Utpal K. Patel, M.D.
Sumit P. Singh, M.D.
Sami Takieddine, M.D.

PGY-2
David W. Boldt, M.D.
Dragan Gastevski, M.D.
Mayank Gupta, M.D.
Ihuoma C, Ofoma, M.D.
Lyudmyla Polupan, M.D.
Raed Rahman, D.O.
Bharti Raizada, M.D.
Shwetha Simhan, M.D.

PGY-1
Twinkal P. Dalal, M.D.
Jacek R. Jablonski, M.D.

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