Meet your Department of Radiology team
Our team of pediatric radiology experts are longtime leaders in the movement toward safer scanning for children. Our pediatric radiologists have helped establish guidelines used around the country for safe, low-dose imaging practices.
Appointments
Division Chiefs
![David Matthew Biko, MD, MBA](/sites/default/files/styles/search_image_192x256/public/providers-new-biko-david.jpg?itok=tFqkycei)
David Matthew Biko, MD, MBA
![Anne Marie Cahill, MBBch, BAO](/sites/default/files/styles/search_image_192x256/public/providers-new-cahill-anne.jpg?itok=hV5nQz68)
Anne Marie Cahill, MBBch, BAO
![Beverly G. Coleman, MD, FACR](/sites/default/files/styles/search_image_192x256/public/providers-new-coleman-beverly.jpg?itok=pXyOXYTm)
Beverly G. Coleman, MD, FACR
![Erin Simon Schwartz, MD, FACR](/sites/default/files/styles/search_image_192x256/public/providers-new-schwartz-erin-ss.jpg?itok=V2_SJ6vq)
Erin Simon Schwartz, MD
![Hongming Zhuang, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-zhuang-hongming.jpg?itok=-PyVoUGX)
Hongming Zhuang, MD, PhD
Radiologist-in-Chief
![Kassa Darge, MD, PhD, DTM&P, FSAR, FAIUM](/sites/default/files/styles/search_image_192x256/public/providers-new-darge-kassa.jpg?itok=Dneccp3h)
Kassa Darge, MD, PhD, DTM&P, FSAR, FAIUM
Radiology Leadership
![Catherine Egan, MIS, MBA, HCA](/sites/default/files/styles/search_image_192x256/public/providers-new-egan-catherine.jpg?itok=zA02zGdF)
Catherine Egan, MIS, MBA, HCA
![Colleen Flowers, AS, RT(R)(MR)](/sites/default/files/styles/search_image_192x256/public/providers-new-flowers-colleen.jpg?itok=P7P8XheG)
Colleen Flowers, AS, RT (R) (MR)
![Tigist Hailu, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-hailu-tigist.jpg?itok=6scVHJnC)
Tigist Hailu, MPH
![Joanne Kerwood, AS, RT (R)](/sites/default/files/styles/search_image_192x256/public/providers-new-kerwood-joanne.jpg?itok=j86KPa8-)
Joanne Kerwood, AS, RT (R)
![Ethan Larsen, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-larsen-ethan.jpg?itok=PdeQw_vh)
Ethan Larsen, PhD
![Reyna E. Macon, MSML](/sites/default/files/styles/search_image_192x256/public/providers-new-macon-reyna.jpg?itok=44Dy2Qdk)
Reyna E. Macon, MSML
![Patricia Mecca, BSRT (R) (MR) (CT)](/sites/default/files/styles/search_image_192x256/public/providers-new-mecca_patricia.jpg?itok=ljcAX0Kr)
Patricia Mecca, BSRT (R) (MR) (CT)
![Suresh Nair](/sites/default/files/styles/search_image_192x256/public/providers-new-nair-suresh.jpg?itok=7sgvSL5Q)
Suresh Nair
![Enzo Poretta, MBA, CRA](/sites/default/files/styles/search_image_192x256/public/providers-new-poretta-enzo.jpg?itok=LbtBGpzI)
Enzo Poretta, MBA, CRA
Scott Thomas
Section Leadership
![Suzanne Debari, BS, RDMS, RVT, RT (R)](/sites/default/files/styles/search_image_192x256/public/providers-new-iyoob-suzanne.jpg?itok=Iqo34mEr)
Suzanne Debari, BS, RDMS, RVT, RT (R)
![Matthew E. Dirnbach, RT (R)](/sites/default/files/styles/search_image_192x256/public/providers-new-dirnbach-matthew-e.jpg?itok=inQ-AjoH)
Matthew E. Dirnbach, RT (R)
![Kevin W. Edwards BSRT (N) (R), CNMT PET](/sites/default/files/styles/search_image_192x256/public/providers-new-edwards-kevin.jpg?itok=dtxDmmYb)
Kevin W. Edwards BSRT (N) (R), CNMT PET, BSRT (N) (R)
![Brandi Kozak, BS, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-kozak-brandi.jpg?itok=pzfaLHCK)
Brandi Kozak, BS, RDMS
![Melrita D. Mackey, BSRT (R)](/sites/default/files/styles/search_image_192x256/public/providers-new-mackey-melrita.jpg?itok=3p3IM68_)
Melrita D. Mackey, BSRT (R)
![Ralph Magee, RT (R) (MR) (CT)](/sites/default/files/styles/search_image_192x256/public/providers-new-magee-ralph.jpg?itok=YL2l6vW2)
Ralph Magee, RT (R) (MR) (CT)
![Trudy Morgan, BS, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-morgan-trudy.jpg?itok=FoM-J50a)
Trudy Morgan, BS, RDMS
![Elizabeth Silvestro, MSE](/sites/default/files/styles/search_image_192x256/public/providers-new-silvestro-elizabeth.jpg?itok=UVDGX4tv)
Elizabeth Silvestro, MSE
![Jayme Whitaker, BS RT (R) (VI)](/sites/default/files/styles/search_image_192x256/public/providers-new-whitaker-jamie.jpg?itok=71AXXDBO)
Jayme Whitaker, BS RT (R) (VI)
![Felicia J. Williams, RT. (R)(CT)](/sites/default/files/styles/search_image_192x256/public/providers-new-williams-felicia.jpg?itok=g6sRD9mk)
Felicia J. Williams, RT. (R)(CT)
Vice Chairs
![Ann M. Johnson, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-johnson-ann.jpg?itok=wBbsCDWj)
Ann M. Johnson, MD
![Hansel J. Otero, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-otero-hansel.jpg?itok=s4NO9QgV)
Hansel J. Otero, MD
![Janet R. Reid MD, FRCPC, MSEd](/sites/default/files/styles/search_image_192x256/public/2024-07/reid-janet.jpg?itok=ReA6FIWV)
Caption
Janet R. Reid, MD, FRCPC, MSEd
![Timothy P.L. Roberts, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-roberts-timothy-pl.jpg?itok=xnpJPLS8)
Timothy P.L. Roberts, PhD
![Anna Spraycar, MSOD](/sites/default/files/styles/search_image_192x256/public/providers-new-spraycar-anna.jpg?itok=MHrpXsOQ)
Anna Spraycar, MSOD
Associate Radiologist-in-Chief
![Sudha A. Anupindi, MD, FSAR](/sites/default/files/styles/search_image_192x256/public/providers-new-anupindi-sudha.jpg?itok=t7Iq1Qhz)
Sudha A. Anupindi, MD, FSAR
Radiologists
![Mariam S. Aboian, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-aboian-mariam.jpg?itok=_DhvcKxG)
Mariam S. Aboian, MD, PhD
![Michael R. Acord, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-acord-michael.jpg?itok=kMdeSUYx)
Michael R. Acord, MD
![Hamza S. Alizai, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-alizai-hamza.jpg?itok=LomSl0k6)
Hamza S. Alizai, MD
![Savvas Andronikou, MBBch (Wits), PhD, FCRad (Diag)](/sites/default/files/styles/search_image_192x256/public/providers-new-andronikou-savvas.jpg?itok=eX9WaYl0)
Savvas Andronikou, MBBch (Wits), PhD, FCRad (Diag)
![Susan J. Back, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-back-susan.jpg?itok=ey3kIicw)
Susan J. Back, MD
![Richard D. Bellah, MD, FAAP](/sites/default/files/styles/search_image_192x256/public/providers-new-bellah-richard-d.jpg?itok=GTfhj2Rz)
Richard D. Bellah, MD, FAAP
![Aashim Bhatia, MD, MS](/sites/default/files/styles/search_image_192x256/public/providers-new-bhatia-aashim.jpg?itok=dkmK3FTw)
Aashim Bhatia, MD, MS
![Stephanie C. Cajigas-Loyola, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-cajigas-loyola-stephanie-c.jpg?itok=Fcey0r7Q)
Stephanie C. Cajigas-Loyola, MD
![Ankita Chauhan, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-chauhan-ankita.jpg?itok=jKpAKaDZ)
Ankita Chauhan, MD
![J. Christopher Davis, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-davis-j-c.jpg?itok=co9Txh74)
J. Christopher Davis, MD
![Jorge Delgado, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-delgado-jorge.jpg?itok=Jw1yP7T-)
Jorge Delgado, MD
![Rebecca A. Dennis, DO](/sites/default/files/styles/search_image_192x256/public/providers-new-dennis-rebecca.jpg?itok=06P_lffY)
Rebecca A. Dennis, DO
![Fernando A. Escobar, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-escobar-fernando.jpg?itok=olUxSlP1)
Fernando A. Escobar, MD
![Tamara Feygin, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-feygin-tamara2.jpg?itok=q2sOkbse)
Tamara Feygin, MD
![Liya Gendler, DO](/sites/default/files/styles/search_image_192x256/public/providers-new-gendler-liya.jpg?itok=r7W24VKp)
Liya Gendler, DO
![Frederick D. Grant, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-grant-frederick.jpg?itok=czNEvW81)
Frederick D. Grant, MD
![Mark Halverson, MD, FRCPC](/sites/default/files/styles/search_image_192x256/public/providers-new-halverson-mark.jpg?itok=2vnUeYRD)
Mark Halverson, MD, FRCPC
![Victor Ho-Fung, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-ho-fung-voctor.jpg?itok=gDCguSFp)
Victor Ho-Fung, MD
![Steven C. Horii, MD, FACR, FSIIM](/sites/default/files/styles/search_image_192x256/public/providers-new-horii-steven.jpg?itok=AR-URUeQ)
Steven C. Horii, MD, FACR, FSIIM
![Minh-Huy Le Huynh, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-huynh-minh-huy-l.jpg?itok=UqvkfhMp)
Minh-Huy Le Huynh, MD
![Misun Hwang, MD, MS](/sites/default/files/styles/search_image_192x256/public/providers-new-hwang-misun.jpg?itok=EJAb_2JF)
Misun Hwang, MD, MS
![Summer L. Kaplan, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-kaplan-summer.jpg?itok=drdSLLl3)
Summer L. Kaplan, MD
![Marc S. Keller, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-keller-marc.jpg?itok=ko6nE5Hd)
Marc S. Keller, MD
![Asef Khwaja, MD, MBA](/sites/default/files/styles/search_image_192x256/public/providers-new-khwaja-asef.jpg?itok=95epNhqj)
Asef Khwaja, MD, MBA
![Ganesh Krishnamurthy, MD, DNB](/sites/default/files/styles/search_image_192x256/public/providers-new-krishnamurthy-ganesh.jpg?itok=VwVgB-GZ)
Ganesh Krishnamurthy, MD, DNB
![Soroosh Mahboubi, MD, FACR](/sites/default/files/styles/search_image_192x256/public/providers-new-mahboubi-soroosh.jpg?itok=JIQlbI73)
Soroosh Mahboubi, MD, FACR
![Richard I. Markowitz, MD, FACR](/sites/default/files/styles/search_image_192x256/public/providers-new-markowitz-richard-i.jpg?itok=_IPFzCJL)
Richard I. Markowitz, MD, FACR
Padmaja K. Naidu, MD
![Jie Chen Nguyen, MD, MS](/sites/default/files/styles/search_image_192x256/public/providers-new-nguyen-jie.jpg?itok=84eRs7xa)
Jie Chen Nguyen, MD, MS
![Abass Noor, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-noor-abass.jpg?itok=fJggIkmI)
Abass Noor, MD
![Edward R. Oliver, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-oliver-edward.jpg?itok=wf_xcR9Z)
Edward R. Oliver, MD, PhD
![Levy C. Onyango, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-onyango-levy-c.jpg?itok=ZKau41F4)
Levy C. Onyango, MD
![Avrum N. Pollock, MD, FRCPC](/sites/default/files/styles/search_image_192x256/public/providers-new-pollock-avrum.jpg?itok=-9Bu1alF)
Avrum N. Pollock, MD, FRCPC
![Jordan B. Rapp, MD, MMS](/sites/default/files/styles/search_image_192x256/public/providers-new-rapp-jordan.jpg?itok=IT-4Mw1f)
Jordan B. Rapp, MD, MMS
![Dov Rosenbaum, MD, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-rosenbaum-dov.jpg?itok=Wc8Kqdq7)
Dov Rosenbaum, MD, MPH
![Karuna Shekdar, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-shekdar-karuna.jpg?itok=UjPw9D2L)
Karuna Shekdar, MD
![Youck Jen Siu Navarro, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-navarro-youck-jen-siu.jpg?itok=jvIrUhM5)
Youck Jen Siu Navarro, MD
![Susan Sotardi, MD, MS](/sites/default/files/styles/search_image_192x256/public/providers-new-sotardi-susan.jpg?itok=ulYetPUM)
Susan Sotardi, MD, MS
![Abhay S. Srinivasan, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-srinivasan-abhay.jpg?itok=cHOL1WIb)
Abhay S. Srinivasan, MD
![Lisa J. States, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-states-lisa-1.jpg?itok=5EFV6FRf)
Lisa J. States, MD
![George A. Taylor, MD, FACR](/sites/default/files/styles/search_image_192x256/public/providers-new-taylor-george-a.jpg?itok=AamYGClm)
George A. Taylor, MD, FACR
![Sara Reis Teixeira, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-teixeira-sara.jpg?itok=ZtJdTvYi)
Sara Reis Teixeira, MD, PhD
![Seth Eliot Vatsky, DO](/sites/default/files/styles/search_image_192x256/public/providers-new-vatsky-seth.jpg?itok=8uGJPkAo)
Seth Eliot Vatsky, DO
![Lorenna L. M. Vidal, MD, DABR](/sites/default/files/styles/search_image_192x256/public/providers-new-vidal-lorenna.jpg?itok=7N2cN05Q)
Lorenna L. M. Vidal, MD, DABR
![Arastoo Vossough, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-vossough-arastoo.jpg?itok=d9MYIAUP)
Arastoo Vossough, MD, PhD
![Ammie M. White, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-white_ammie.jpg?itok=9hnK3Q7T)
Ammie M. White, MD
![Matthew T. Whitehead, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-whitehead-matthew-t.jpg?itok=TlSgCZOa)
Matthew T. Whitehead, MD
![Deborah M. Zarnow, MD, MS](/sites/default/files/styles/search_image_192x256/public/providers-new-zarnow_deborah-m.jpg?itok=dSoulAkn)
Deborah M. Zarnow, MD, MS
Imaging Research
![Timothy P.L. Roberts, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-roberts-timothy-pl.jpg?itok=xnpJPLS8)
Timothy P.L. Roberts, PhD
Advanced Practice Providers
![Samantha P. Amato-Rotkowitz, MHS, PA-C](/sites/default/files/styles/search_image_192x256/public/providers-new-amato-rotkowitz-samantha-p.jpg?itok=cHQJ8Wwo)
Samantha P. Amato-Rotkowitz, MHS, PA-C
![Kevin Anderson, MS, PA-C](/sites/default/files/styles/search_image_192x256/public/providers-new-anderson-kevin.jpg?itok=cxman4xx)
Kevin Anderson, MS, PA-C
Sara Boben, MSN, CRNP
![Amy Byrne, MSN, RN, CRNP](/sites/default/files/styles/search_image_192x256/public/providers-new-byrne-amy.jpg?itok=D4R0gxoW)
Amy Byrne, MSN, BSN, CRNP
![Alberta Cianni, MSN, RN, CRNP, CPNP-AC](/sites/default/files/styles/search_image_192x256/public/providers-new-cianni-alberta.jpg?itok=UivToMBY)
Alberta Cianni, MSN, CRNP
![Sarah Cummings, MSN, BSN, CRNP-AC, CRNP-PC](/sites/default/files/styles/search_image_192x256/public/providers-new-cummings-sarah.jpg?itok=zuRU0cB_)
Sarah Cummings, MSN, BSN, CRNP-AC, CRNP-PC
![Michelle Dumas, MS, PA-C](/sites/default/files/styles/search_image_192x256/public/providers-new-dumas-michelle.jpg?itok=Ad2f_HJe)
Michelle Dumas, MS, PA-C
![Margaret Hamel-Daymond, MSN, RN, CRNP, CORLN](/sites/default/files/styles/search_image_192x256/public/providers-new-hamel-daymon-margaret.jpg?itok=4uQR4NgZ)
Margaret Hamel-Daymond, MSN, RN, CRNP, CORLN
![Katherine Kelly, MSN, BSN, CRNP](/sites/default/files/styles/search_image_192x256/public/providers-new-kelly-katherine.jpg?itok=aMoNG4Gh)
Katherine Kelly, MSN, BSN, CRNP
![Amanda Madeira, MSN, BSN, CRNP-AC, CRNP-PC](/sites/default/files/styles/search_image_192x256/public/providers-new-madeira-amanda.jpg?itok=zTvkxOCy)
Amanda Madeira, MSN, BSN, CRNP-AC, CRNP-PC
![Lorie Reilly, MSN, CRNP, CPNP-AC](/sites/default/files/styles/search_image_192x256/public/providers-new-reilly-lorie.jpg?itok=No6VVQYa)
Lorie Reilly, MSN, CRNP, CPNP-AC
![Lynn Thompson, MHS, PA-C](/sites/default/files/styles/search_image_192x256/public/providers-new-thompson-lynn.jpg?itok=_yHkEDwY)
Lynn Thompson, MHS, PA-C
![Noreen Yakscoe, MSN, CPNP-PC](/sites/default/files/styles/search_image_192x256/public/providers-new-yakscoe-noreen.jpg?itok=j3GTlfUs)
Noreen Yakscoe, MSN, CPNP-PC
Advanced Child Life Specialists
![Valari Beaver, MEd, CCLS](/sites/default/files/styles/search_image_192x256/public/providers-new-beaver-valari.jpg?itok=boKo9aQH)
Valari Beaver, MEd, CCLS
Kristen Freeman, LSW, CCLS
![Abby Geiger, MT-BC, CCLS](/sites/default/files/styles/search_image_192x256/public/providers-new-geiger-abigail.jpg?itok=sgOG3ZmI)
Abby Geiger, MT-BC, CCLS
![Laura Gould, BS, CCLS](/sites/default/files/styles/search_image_192x256/public/providers-new-gould-laura.jpg?itok=3YhDQoFA)
Laura Gould, BS, CCLS
![Kristi Newby, BS, CCLS](/sites/default/files/styles/search_image_192x256/public/providers-new-newby-kristi.jpg?itok=SAu74Yyk)
Kristi Newby, BS, CCLS
Sonographers
Carleen Alvarez, RDMS
![TraLa Black, BA, RDMS, RVT](/sites/default/files/styles/search_image_192x256/public/providers-new-black-trala.jpg?itok=iMAGbZv2)
TraLa Black, RDMS (OB/GYN), RVT, Fetal Echocardiogram Board Certified
![Mariann M. Giannone, BS, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-giannone-mariann.jpg?itok=cYEr95-s)
Mariann M. Giannone, BS, RDMS
![Olga Gitman, BS, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-gitman-olga.jpg?itok=P9PJpmoZ)
Olga Gitman, BS, RDMS , RDMS
![Casey Gregory, BS, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-gregory-casey.jpg?itok=mIT8_CMQ)
Casey Gregory, BS, RDMS
![Devon Looney, BS, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-looney-devon.jpg?itok=xNmf7jnN)
Devon Looney, BS, RDMS
![Amanda Madan, RDMS](/sites/default/files/styles/search_image_192x256/public/providers-new-madan-amanda.jpg?itok=KmefJNit)
Amanda Madan, RDMS
Clinical Research
![Hansel J. Otero, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-otero-hansel.jpg?itok=s4NO9QgV)