Meet the OB-GYN Residents
Chief Residents – PGY-4
![Mary Ahern, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/mary-ahern.png?h=345&w=275&la=en&hash=7E6587ADD38CE0115208136BDC223F76)
Mary Ahern, MD
MD: Lewis Katz SOM, Temple University
![Martha (Kaitlyn) Coghlan, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/martha-coghlan.jpg?h=345&w=275&la=en&hash=0CD4D3270854C80FF46151DF7B5807F5)
Martha (Kaitlyn) Coghlan, MD
MD: University of Maryland SOM
![Michael Danziger, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/michael-danziger.jpg?h=345&w=275&la=en&hash=B2DBABF8C72357C526A38C8D32494B94)
Michael Danziger, MD
MD: SUNY Downstate MC COM
![Siddharth (Sid) Hariharan, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/sid-hariharan.png?h=345&w=275&la=en&hash=118E5D63D08CCA3D4FF8DDB3EC71C387)
Siddharth (Sid) Hariharan, MD
MD: Virginia Commonwealth University SOM
![Molly Johnson, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/molly-johnson.jpg?h=345&w=275&la=en&hash=FABDD465540D2286DEFCE3635339B7DF)
Molly Johnson, MD
MD: Virginia Commonwealth University SOM
![Hameeda Naimi, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/hameeda-naimi.jpg?h=345&w=275&la=en&hash=DD0E0F9DD5FF0C55B35571C048E6EF90)
Hameeda Naimi, MD
MD: Virginia Commonwealth University SOM
![Alison Rosenthal, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/alison-rosenthal.png?h=345&w=275&la=en&hash=17670800DAFE5647FB3804BEB63A4D3E)
Alison Rosenthal, MD
MD: University of Maryland SOM
![Alexander (Alex) Sun, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2024/alex-sun.jpg?h=345&w=275&la=en&hash=EC6A1B0FB796D2F700AA4815BE04BD7F)
Alexander (Alex) Sun, MD
MD: Rush Medical College
Senior Residents – PGY-3
![Kara Hostetter](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/kara-hostetter.jpg?h=345&w=275&la=en&hash=DE22B565937CC77A4B43E60A0C6BAE66)
Kara Hostetter, MD
MD: Virginia Commonwealth Univ SOM
![Sam Janfaza](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/samantha-janfaza.jpg?h=345&w=275&la=en&hash=14475B90CFCCE48AB6CA7EE19018510C)
Samantha Janfaza, MD
MD: Tulane Univ SOM
![Helen Noble](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/helen-noble.jpg?h=345&w=275&la=en&hash=288B149553EC11C18351D73AB7B01E32)
Helen Noble, MD
MD: Virginia Commonwealth Univ SOM
![Natalia Perez-Cantalapiedra](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/natalia-perez-cantalapiedra.jpg?h=345&w=275&la=en&hash=EB2F8D650B7DE29148D0E4A528FEBF8E)
Natalia Perez Cantalapiedra, MD
MD: Univ of Maryland SOM
![Liza Peterson](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/liza-peterson.jpg?h=345&w=275&la=en&hash=DD42F58763E99F8F4272C6F2C2D4B027)
Elizabeth (Liza) Peterson, MA, MD
MD: Case Western Reserve Univ SOM
![Hannah Smith](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/hannah-smith.jpeg?h=345&w=275&la=en&hash=1239CEDB8847BADD42EEFF1DACFBD304)
Hannah Smith, MD
MD: Oregon Health & Science Univ SOM
![Kristina Witcher](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2025/kristina-witcher.jpg?h=345&w=275&la=en&hash=3B19D6DF5B1BA86687D56C2B40FAF240)
Kristina Witcher, MD, PhD
MD: Ohio State Univ COM
Junior Residents – PGY-2
![Jasmine Hitt](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/jasmine-hitt.jpg?h=347&w=275&la=en&hash=B91C1ED6FD563B6FD6235CD0D3E047E7)
Jasmine Hitt, MD
MD: University of Kansas School of Medicine
![Jonathan Konel](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/jonathan-konel.jpg?h=344&w=275&la=en&hash=83A8E7DE8DC9C711996058D939D247D9)
Jonathan “Jon” Konel, MHS, MD
MD: Wayne State University School of Medicine
![Mary Ellen Mangione](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/mary-ellen-mangione.jpg?h=345&w=274&la=en&hash=EF65B3E6867630422ACB273E83946575)
Mary Ellen Mangione, MD
MD: University of Maryland School of Medicine
![Rachel Orlinsky](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/rachel-orlinsky.jpg?h=346&w=275&la=en&hash=0ADC4A0CBC5B92DAD9BF6D6F368D4CF8)
Rachel Orlinsky, MD
MD: University of Maryland School of Medicine
![Brittany Pruett](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/brittany-pruett.jpg?h=346&w=274&la=en&hash=1F4730CE38112B35CAF267A975812B4D)
Brittany Pruett, MD
MD: University of Alabama School of Medicine
![Julia Sweigert](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/julia-sweigert.jpg?h=345&w=274&la=en&hash=91A2A5411320D6107D67E7E3070A1B22)
Julia Sweigert, MD
MD: Keck School of Medicine of the University of Southern California
![Amelia Trant](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/amelia-trant.jpg?h=345&w=276&la=en&hash=5D8C43D0F8D2FFDE7172D346A513DE01)
Amelia Trant, MD
MD: Yale School of Medicine
![Jenny Ulber](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2026/jenny-ulber.jpg?h=346&w=274&la=en&hash=401D60EEC4DC6A44F528117F2F79E2D3)
Jenny Ulber, MD
MD: Medical University of South Carolina School of Medicine
Interns – PGY-1
![Michaela Berens, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/michaelaberens.jpg?h=345&w=275&la=en&hash=2BA921670C3FBD89F9578CE2504D16E0)
Michaela Berens, MD
MD: University of Virginia School of Medicine
![Victoria Coaxum, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/victoriacoaxum.jpg?h=345&w=275&la=en&hash=023140D647D6D65F7229C4C1FC0324C4)
Victoria Coaxum, MD
MD: Sidney Kimmel Medical College at Thomas Jefferson University
![Sydney DiGregory, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/sydneydigregory.jpg?h=345&w=275&la=en&hash=87A9F486DC08D91B58E95E9DEA2A1256)
Sydney DiGregory, MD
MD: Indiana University School of Medicine
![Kathryn "Katie" Jillson, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/kathrynjillson.jpg?h=345&w=275&la=en&hash=EC99FB04FDA3D7C29C29671DB82E80A4)
Kathryn "Katie" Jillson, MD
MD: Tufts University School of Medicine
![Christina Julian, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/christinajulian.jpg?h=345&w=275&la=en&hash=458E0A23EC4406954F61693794341382)
Christina Julian, MD
MD: Lewis Katz School of Medicine at Temple University
![Sue Junn, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/suejunn.jpg?h=345&w=275&la=en&hash=63F2D9F2F45262BCB219E8253AB3BFFD)
Sue Junn, MD
MD: University of Maryland School of Medicine
![Chloe Koski, MD](/ummc/-/media/images/ummc/for-health-professionals/gme/residencies/obstetrics-gynecology-residency/residents/2027/chloekoski.jpg?h=345&w=275&la=en&hash=54CD666C687972B4B5E91F242DA4FB56)
Chloe Koski, MD
MD: University of Washington School of Medicine