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PGY III

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Sarah Friedrich, DO, MBA, MS - Chief Resident
Undergraduate: University of Florida
Graduate School: St. Joseph's University - Master of Business Administration; Philadelphia College of Osteopathic Medicine - Master of Science in Biomedical Sciences (concentration in Forensic Medicine)
Medical School: Philadelphia College of Osteopathic Medicine
Interests: Forensic Psychiatry, Emergency Psychiatry
Bio: I grew up in a small beach town in southwest Florida, easy walking distance to the Gulf of Mexico. As a result, I enjoy any activities related to the water or beach, also traveling abroad, reading, pick-up volleyball, and gardening. I am an avid fan of college football (Go Gators!) and all Philly sports teams. Additionally, I love how close Philly is to NYC, so it's easy to make a quick trip to visit friends. Having two parents from Philadelphia, I was raised with stories of adventures in the city, its historical importance, and the preponderance of good food and culture. Philly has always held a special place in my heart and I could not imagine a better place to train in psychiatry. There is such diversity in pathologies and many great opportunities to pursue whatever you are interested in. Upon completion of residency, I hope to pursue a fellowship in Forensics.

Robert Gordon, DO
Undergrad: University of Wisconsin-Madison
Medical School: PCOM
Bio: I grew up in Northern California between Sacramento and Tahoe, and came East to Philadelphia for medical school after a stop in Wisconsin for undergrad. I am so excited to be staying put in Philadelphia for my residency at Einstein. For me, the most rewarding aspects of psychiatry is helping people become more comfortable with themselves. This shared journey, guided by both the patient and provider, toward a more stable and cohesive experience of life is not a bad way to spend a career in medicine. I am particularly interested in incorporating a psychodynamic approach to building strong therapeutic relationships with my patients in whatever environment of psychiatry I end up practicing. I chose Einstein Psychiatry because the program offers a diverse set of training experiences allowing each resident to form their own professional identity in such a dynamic field. From strong training in psychotherapy, psychopharmacology, ECT, multiple in/outpatient environments, and a diverse patient population there is an opportunity to develop a large set of treatment tools in a field without many magic bullets. In these social distancing times, I enjoy jogging on the Schuylkill, Netflix, walks with friends, watching sports (if those ever happen again) and small group get-togethers to do just about anything. Hopefully, I can add to this list again when COVID slows down one of these days.

Tina Joseph, DO
Undergrad: Temple University
Medical School: Philadelphia College of Osteopathic Medicine
Interests: Outpatient Psychiatry, Psychotherapy, South Asian and minority mental health
Bio: I have been a proud Pennsylvania native for nearly my whole life, growing up in Bucks County and living in Philadelphia for the past 10 years. Outside of Psychiatry, my interests include traveling both inside and outside of the country, singing, and trying new restaurants and cuisines (I love this so much I made a whole social media account dedicated to my food trials!) My interests in Psychiatry primarily include outpatient Psychiatry and psychotherapy. I would love to devote a portion of my practice in the future towards serving South Asian and minority communities in which the topic of mental health is commonly stigmatized.

Adam Kiejdan, MD
Undergrad: Tulane University
Medical School: Sidney Kimmel Medical Center, Thomas Jefferson University
Bio: Adam was raised in Linwood, NJ. In college he studied Ecology & Evolutionary Biology. He spent his gap year in Austin, TX teaching underserved kids after school for 4-H CAPITAL through AmeriCorps. His interests include going to the beach and playing Catan. Within the field of Psychiatry, he is interested in psychotherapy.

Chase Ossenkop, MD - Chief Resident
Undergrad: University of Oklahoma
Medical School: University of Texas Medical Branch
Interests: LGBTQI+ Mental Health, Psychotherapy, Child and Adolescent Psychiatry
Bio:  I was born and raised outside of Fort Worth, Texas and have dreamed of moving to the northeast since I was a child. After interviewing all across the east coast I fell in love with the city of Philadelphia and was lucky enough to find Einstein! As a loud and proud gay man from the south I, and many people I know, have experienced lesser care from health professionals due to either prejudice or miseducation. These experiences led me to my interest in LGBTQI+ health while personal experiences in my coming out process spurred my desire to become a psychiatrist. I spent my medical school years addressing disparities in health care for LGBTQI+ patients through trainings, various educational programs, and research projects focused on improving interprofessional provider cultural humility when treating LGBTQI+ patients. The ideal endgame is to create a multidisciplinary clinic that would provide health services, law services, social services, etc to LGBTQI+ patients so that they can visit one safe space for comprehensive care. While I have a strong passion for my career, I also strive to maintain a healthy work/life balance. I love to cook and have been known to make delicious cocktails. I'm a plant zaddy to a small indoor forest, and I'm a pretty nasty piranha plant main.

Nicholas Prewett, DO, MBE
Undergrad: Case Western Reserve University
Medical School: Nova Southeastern University College of Osteopathic Medicine
Interests: Personality Disorders, Ethics, Inpatient Psychiatry and Crisis work
Bio: I was born and raised in Pittsburgh, PA, and spent my college years in Cleveland, OH, where I double-majored in biology and music. After graduating, I moved to Philadelphia to pursue a master’s in bioethics and clinical conflict management at Penn. While there, I completed additional training and certification in mediation. Until my third year of medical school in Florida, I was confident that I wanted to pursue a surgical specialty, but gradually switched gears. During my clinical years, I began to appreciate that my ethics and mediation training would be most useful in the field of psychiatry. Additionally, I completed many hours of volunteer work for a suicide hotline, cementing me in my decision and planting the seeds for my love for crisis work. After completing residency, I envision myself working in the acute inpatient setting and continuing to do work in a crisis response center. When I’m not in the clinic, you will find me spending time with my loved ones, exploring the latest Philadelphia restaurants, playing classical piano, traveling, practicing hot yoga, and collecting niche fragrances.

Nicholas Talamonti, DO
Undergrad: Kutztown University of Pennsylvania
Medical School: Philadelphia College of Osteopathic Medicine
Interests: Child and Adolescent Psychiatry and Psychotherapy
Bio: I was born and raised in New Jersey and moved to Pennsylvania where I attended college and majored in biochemistry. In medical school, I was interested in many specialties but fell in love with psychiatry because I’m very passionate about mental wellbeing and love the dynamic world of the human mind. When I’m not engrossed in medicine, I love to do physical activities including bodybuilding, yoga, hiking, and rock climbing! I also love to meditate, read, and expand my mind in all avenues of life.


Dasylia Willoughby, DO
Undergrad: University of Maryland-College Park
Medical School: Lake Erie College of Osteopathic Medicine-Erie
Bio: I was born and raised in the Washington, D.C. Metropolitan Area. When looking for a residency program, I wanted to return close to home, but I also wanted to explore a new city and Philadelphia was the perfect place for me. Philadelphia has many things to do and tons of great food and these are things that drew me to the city. I became interested in psychiatry during my psychiatry class in second year of medical school and this interest blossomed during my psychiatry rotations my third and fourth year. I was amazed by being able to help people in an aspect of medicine that is often neglected, and I wanted to help this patient population. My current interests in psychiatry include outpatient psychiatry, psychotherapy, and neuromodulation therapies like TMS.

Tarik Zeid, DO - Administrative Chief Resident for Conferences
Undergrad:  Penn State University
Medical School:  Touro College of Osteopathic Medicine
Bio: Born and raised in Buffalo, New York known as “The Queen City” where I enjoyed playing football and, of course, the chilly winters. I originally became interested in medicine when I was 16 due to some medical issues while playing high school football so this is where my journey started. I enjoy playing as well as watching sports. My favorite sports team is the Buffalo Bills. I am avid about mental and physical health. I like to promote a healthy, balanced lifestyle of both mind and body. I love to read, albeit medical books, over the past several years and enjoy history and current events. I feel blessed to be here at Einstein in psychiatry which has been a passion of mine over the years and the great city of Philadelphia with its rich history and culture. I look forward to the years ahead meeting new people and my interactions with patients as well as my colleagues.

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