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Psychiatry Residents

Psychiatry Residency Group

Meet Our Residents

A little bit about our residents—where they're from, what they've accomplished, and their interests and aspirations...


Dr Andrew Baccari

Andrew Baccari, MD

University of Massachusetts Medical School

Dr Joseph Jabaily

Joseph Jabaily, DO

Arizona College of Osteopathic Medicine of Midwestern University

Dr Sanjana Kumar

Sanjana Kumar, MD

Case Western Reserve University School of Medicine

Dr Michael O'Sullivan

Michael O'Sullivan, DO

University of New England College of Osteopathic Medicine


JDr. Jennifer Brubakerennifer Brubaker, DO

Ohio University Heritage College of Osteopathic Medicine in the Rural and Urban Scholars Pathway

Jennifer grew up in Toledo Ohio, and completed her undergraduate degree in Biology at Boston College and a Master’s Degree in Biotechnology from Johns Hopkins University. While at Boston College, she founded a college support group for children of alcoholics. As an Albert Schweitzer Fellow at Ohio University, she completed a service project that encouraged social connectedness and sensory experiences in survivors of abuse in rural Appalachia and urban Chicago through painting, drawing, and sculpture.

She has published a research study on smartphone use, sleep, and burnout in med students.

In her spare time, Jennifer enjoys painting, visiting art museums, running, bicycling, and discovering new music.

Dr. Maria SarmientoMaria Sarmiento, DO

Marian University College of Osteopathic Medicine

Maria's hometowns include Bogota, Columbia and Miami, Florida. She completed her BA in Psychology at the University of Florida, followed by an MEd in Psychology and Human Development at Harvard University, and post-baccalaureate studies at the University of Pennsylvania.

Prior to medical school, she worked as a therapist for children with ADHD, autism, and learning disorders, and participated as a research assistant in published studies on the effect of light on depression, fatigue, and sleep quality in cancer survivors. In medical school, she was elected to the Gold Humanism Society, was a teaching assistant in the Meaningful Medicine Program, and held leadership roles in PsychSIGN, AMSA, and SNMA.

Maria enjoys running, yoga, and salsa dancing.

Dr. Suzanne ValchevaSuzanne Valcheva, MD

St. George’s University School of Medicine

Suzanne grew up in Upton, MA and attended Western New England University here in Springfield where she majored in Biology with minors in Spanish and Chemistry. She then completed post-baccalaureate studies in Interdepartmental Medical Sciences at Drexel University College of Medicine. During medical school, Suzanne earned best paper award from the New Jersey Psychiatric Association for a literature review on the role of alexithymia in substance use disorders.

Suzanne has worked as a tutor and lab assistant, and volunteered for the Medical Reserve Corps (providing support after the 2011 tornado in Springfield), the American Red Cross, and at a residential home for adults with MS.

She enjoys Cape Cod, crossword puzzles, running, riding ATVs, Trivia nights, and reading science fiction novels and short stories

Dr. Rebecca WetzelRebecca Wetzel, MD

St. George Hospital, University of London

Rebecca grew up in Toronto, Canada and is a citizen of both the US and Canada. She completed her BS with Honors in Life Sciences with a minor in Psychology from McMaster University in Hamilton, Ontario, and stayed at McMaster for her MSc in Neuroscience. During her Master’s studies, she worked as a research assistant developing an fMRI paradigm to study OCD and hoarding in children. She concurrently worked as a teaching assistant in Psychology.

Her volunteer work has included working with children with autism, being a counselor on a Crisis Text Line, and helping to develop a medical student-led camp at Swedish Covenant Medical Group in Chicago for low socio-economic students with an interest in medicine.

Rebecca’s hobbies include running, yoga, tennis, downhill skiing, white water canoeing and scuba diving.


Dr. Henry BradfordHenry Bradford, MD

University of Massachusetts Medical School

Henry "Chase" Bradford is from Massachusetts.  He completed his BA in Classics and premed at the College of the Holy Cross in Worcester. He was involved in track and field in college, enjoys travelling, meditation, and spending time with his wife and family.

Dr. Alyssa KahnAlyssa Kahn, MD

Warren Alpert Medical School of Brown University

Alyssa Kahn studied Human Biology as an undergraduate at Brown University, and graduated from the Warren Alpert Medical School of Brown University.  She participated in a number of research projects included using TMS for treatment resistant depression and the effect of early childhood loss and trauma on well-being.  She enjoys cooking, travelling, reading science fiction and fantasy, and spending time with her cat Atlas.

Dr. Pooja SarkarPooja Sarkar, DO

Touro College of Osteopathic Medicine

Pooja Sarkar grew up in Texas, but has family in Massachusetts.  She completed her Bachelor of Science in Biology from Cornell University, and graduated from Touro College of Osteopathic Medicine in Middletown, New York.  She has done student research and elective rotations in addictions and worked as an advocate for survivors of rape.  Pooja enjoys cake baking, animal rescue work, and taking ghost tours.

Dr. Andrew VetterAndrew Vetter,DO

University of New England College of Osteopathic Medicine

Andrew Vetter grew up in Maine where he attended the University of Maine studying Biology.  He has completed his DO at University of New England College of Osteopathic Medicine.  Andrew has done student research in addictions and participated in SBIRT training.  He has served as chair of the Health Equity Alliance, the LGBT interest group at UNECOM.  Andrew enjoys singing, playing Dungeons and Dragons, and jogging.

PG4: Chief Residents

Dr. Santiago CastroSantiago Castro, DO

University of New England College of Osteopathic Medicine

Santiago Castro is from New Jersey where he completed his undergraduate degree in biology at Ramapo College of New Jersey. Santiago received his DO from University of New England College of Osteopathic Medicine (UNECOM). While at UNECOM, he helped establish an official Latin Medical Student Association, and taught monthly medical Spanish lessons. He has also served as club president of the Health Equality Alliance group, been a teaching assistant for the manipulative medicine course at UNECOM, and has been an active volunteer in a number of other community projects. Santiago enjoys swimming, biking, hiking, kayaking, cooking, drawing, technology, environmental preservation, and traveling.

Dr. Philip Close BarberPhilip Close-Barber, DO

University of New England College of Osteopathic Medicine

Philip Close-Barber grew up in Western Massachusetts. Philip received a BA in East Asian and religious studies from Connecticut College, and an MS in bioethics from Columbia University where he also completed his post-baccalaureate pre-medical studies. He completed his DO training at University of New England College of Osteopathic Medicine. During medical school, he co-authored a paper on empathy. In his spare time, Philip enjoys reading, tabletop games, and physical fitness, and is interested in philosophy, religious studies, storytelling, graphic novels, movies, and history.

Dr. Ianna Hondros MccarthyIanna Hondros-Mccarthy, DO

University of New England College of Osteopathic Medicine

Ianna Hondros-McCarthy is from Lowell, Massachusetts where she completed her BA in English and Psychology, followed by an MA in Peace and Conflict Studies at UMass-Lowell. She received her DO from University of New England College of Osteopathic Medicine. Ianna is a member of the Gold Humanism Honor Society. Among many activities, she has served as a teaching assistant for anatomy and osteopathic manipulative medicine classes and led mindfulness sessions for other medical students. She has a number of publications and presentation on mindfulness and empathy. She enjoys writing, hiking, running, yoga, sewing, spending time with family and friends, volunteering, and finding ways to perform small acts of kindness.

Dr. Hossain KhanHossain Khan, DO

University of New England College of Osteopathic Medicine

Hossain Khan grew up in New York City and attended St. John’s University where he received his undergraduate degree in biology. He completed his DO degree at University of New England College of Osteopathic Medicine. During medical school, he was vice-president of the Neurology and Psychiatry Interest Club among other activities. He has been extensively involved in volunteer work as chair of community service for the Student National Medical Association. In recognition of his community service, he was awarded the TOUCH Gold Award. Hossain enjoys hiking, visiting national parks, trail running, biking, lifting weights, doing yoga, cooking, reading fiction, and watching foreign action and thriller films.