Our PGY2 Residents


Margaret Berrigan, MDMargaret Berrigan, MD

George Washington University School of Medicine

Margaret’s hometown is Washington, DC. She completed her undergraduate studies at the University of Virginia, where she received a BA, majoring in Biology and Spanish, and subsequently obtained a Masters in Physiology from Georgetown University. She received her MD from George Washington University School of Medicine and Health Sciences, where she was elected to AOA, was the recipient of the 2017 and 2018 Cecile and Seymour Alpert Medical Scholarship and served as Co-President of the Student Council. She engaged in a number of clinical research projects throughout medical school. Margaret’s interests include hiking, travel, and crafts. Her current clinical interest is pediatric surgery.

Thomas Hirsch, MDThomas Hirsch, MD

Medical College of Wisconsin

Thomas’s hometown is Springfield, Massachusetts. He received his BS from Northeastern University, majoring in Behavioral Neuroscience. He subsequently matriculated to Medical College of Wisconsin where he was elected to AOA and the Gold Humanism Honor Society. As a medical student, Tom studied the role of bacterial enzymes that trigger the generation of hydrogen sulfide, which protect bacteria against antibiotics and strategies to disable these enzymes to enhance their susceptibility to antibiotic treatment. Tom enjoys playing the guitar, sports, independent films and filmmaking. His clinical interest is pediatric surgery.

Betty Liu, MDBetty Liu, MD

Tufts University School of Medicine

Betty’s hometown is Corvallis, Oregon. She received her BA in Architecture from Washington University in St. Louis, graduating summa cum laude with election to Phi Beta Kappa and was a harpist with the St. Louis Philharmonic Orchestra. Betty studied ambulatory care practices and engaged in a number of clinical research projects, prior to matriculating to Tufts University School of Medicine, which led to several publications and an award from the American Association of Neurological Surgeons. As a medical student, Betty published a cookbook on Shanghai food through Harper Collins and volunteered as a photographer for Now I Lay Me Down to Sleep, a national organization that seeks to comfort grieving parents who face the loss of an infant through remembrance photography. Betty enjoys cooking and photography and is interested in general surgery and surgical education.

Leah Ott, MDLeah Ott, MD

Tulane University School of Medicine

Leah’s hometown is Edmonton, Alberta. She received her BS in Physiology from McGill University, conducted research in valvular heart disease at the McGill University Research Institute, and subsequently pursued research in T cell immunobiology at the Center for Cell and Gene Therapy of Baylor College of Medicine. These studies led to four peer-reviewed publications. Leah received her MD from Tulane University School of Medicine, where she was elected to AOA and the Gold Humanism Honor Society. She was active in student organizations, volunteered in student run clinics for the underserved, and participated in the Tulane’s LCME re-accreditation process. Leah enjoys baking, reading, sewing, downhill skiing and soccer. Her clinical interest is trauma and critical care.

Praachi Raje, MDPraachi Raje, MD

Boston University School of Medicine

Praachi’s hometown is Palo Alto, California. She completed her undergraduate studies at the University of Pennsylvania, earning a BA in Biological Basis of Behavior, while serving as captain of the 20 member Penn Masti Dance Team. Praachi matriculated to Boston University School of Medicine, was elected to AOA, and was the recipient of the Eli Shapiro Award. She has engaged in a number of translational and clinical research projects at the University of Pennsylvania and Boston University with publications in the neurosciences. She enjoys reading, weight lifting, and continues to dance, most recently with CONcept Artists, a hip-hop dance company in Boston. Her clinical interest is surgical oncology.

Kelsey Romatoski, MDKelsey Romatoski, MD

Rush Medical College

Kelsey’s hometown is St. Paul, Minnesota. She completed her undergraduate work at Harvard University, where she earned a BA in Neurobiology. While at Harvard, she played varsity ice hockey and was a four-year member of the ECAC All-Academic team. After graduation, Kelsey pursued research in neuroscience, which resulted in multiple presentations and publications. She matriculated to Rush Medical College, was elected to AOA, pursued clinical research in trauma and oncology, and has been active in medical school admissions, health screening of underserved populations, and mentoring of at risk youth. She founded and served as President of the Rush Medical College chapter of the Association of Women Surgeons. Kelsey enjoys running, hiking, camping and baking. Her clinical interest is surgical oncology.

Andrew Sanders, MDAndrew Sanders, MD

Emory University School of Medicine

Drew’s hometown is Alexandria, Virginia. He graduated from the University of Virginia with a BA in Chemistry and served as the President of Chi Phi Fraternity. He matriculated into Emory University School of Medicine, was elected to AOA, was recipient of the Joseph B. Whitehead Surgery Scholarship, and served as Vice-President of the Emory Osler Society. At Emory, Drew pursued research in thoracic surgery and volunteered in community health clinics, served as a peer mentor, organized a charity cook-off to support food insecurity, and founded a Surgery Clerkship Peer Teaching Curriculum. Drew enjoys college football, skiing and tennis. His clinical interest is thoracic surgery.

Pamela (Nina) Scalise, MDPamela (Nina) Scalise, MD

University of Illinois College of Medicine

Nina’s hometown is Chicago, Illinois. She graduated cum laude from Northwestern University with a BS in Biomedical Engineering. She received a number of design awards for her work related to assistive devices for the disabled and a mobile surgical training application. Nina matriculated to the University of Illinois College of Medicine, where she participated in the Innovation in Medicine program, allowing her to continue to engage in medical device development. Nina received the Silver Scalpel Award in Surgery for outstanding clinical performance and was an active peer educator. Nina enjoys dance, knitting, and volleyball. Her clinical interest is pediatric surgery.

Lucas Souza-Mota, MD Lucas Souza-Mota, MD 

Howard University College of Medicine

Lucas’s hometown is Belo Horizonte, Brazil. He enrolled in the BS-MD program at Howard University, where he earned his BS in Biology summa cum laude and was elected to AOA with induction into the Charles R. Drew Honors Society. Lucas was the recipient of the Howard University Academic Achievement Award for highest pre-clinical academic performance, as well as the Howard University Trustee Scholarship for clinical and academic performance. Lucas pursued several research projects focusing on the role of socioeconomic factors on surgical outcomes with multiple presentations and publications. He volunteered with So Others May Eat to support the homeless, was Vice President of Volunteer Training for a student run clinic, and served as a peer educator. He enjoys playing the guitar, piano, soccer and hiking. His clinical interest is vascular surgery and health disparities.

Winona Wu, MDWinona Wu, MD

Integrated Vascular Surgery Resident

Harvard Medical School

Winona graduated summa cum laude with a BA in Molecular Biology from the University of Pennsylvania, was elected to Phi Beta Kappa, and served as President of the Center for Undergraduate Research and Fellowships Advisory Board. As an undergraduate, she also conducted research in immunology at the Children’s Hospital of Philadelphia. Winona matriculated to Harvard Medical School and continued to pursue research studies in cardiovascular medicine, which has resulted in multiple publications and presentations. Winona has a passion for drawing and illustrating and is a freelance illustrator for academic publications and university organizations. Her clinical interest is vascular surgery.


Angelica Hernandez-Alvarez, MDAngelica Hernandez Alvarez, MD

Universidad Centroccidental Lisandro Alvarado

Angelica is a graduate of the Universidad Centroccidental Lisandro Alvarado (UCLA) in Venezuela, where she was on the Dean’s List, received a Student Merit Award for highest grades, and served as a community health instructor and coordinator. After graduation, Angelica served as a primary care physician in urban and rural communities and as a general surgery hospitalist in Caracas. She has pursued a number of research projects at the University of Southern California, which have led to multiple presentations and publications. She enjoys cooking and reading. Her clinical interests include colorectal and minimally invasive surgery.

Randy Blake Patterson, MD, MPH, DDS

The University of Oklahoma

Blake comes to BIDMC Surgery after completing a surgical internship in general surgery at the New York Presbyterian Hospital at Columbia University in NY and serving as Health Officer in the 138th Fighter Wing. He studied at the University of Oklahoma Colleges of Medicine and Dentistry. His clinical interests are orthognathic surgery. He enjoys running, fishing, skiing, and spending time with his family.

Francesca Saldanha, MBBCHFrancesca Saldanha, MBBCH

University of Cambridge School of Clinical Medicine

Francesca received her BA in Biological and Biomedical Sciences from the University of Cambridge. She received her medical degree from the University of Cambridge School of Clinical Medicine, where she pursued research on patients with disfiguring conditions. Francesca has volunteered extensively in developing nations and served as a peer educator. In the US, she studied craniofacial development at the Whitehead Institute of MIT and at Boston Children’s Hospital, where she developed and validated a high-fidelity surgical trainer for cleft lip repair. Her studies led to multiple presentations and publications. Francesca enjoys painting, drawing, cake sculpture, traveling, and kickboxing. Her clinical interests are general and plastic surgery.