Thomas Trojian, MD
Clinical Director
Dr. Thomas Trojian is a board-certified family medicine and sports medicine physician. He graduated AOA from Howard University College of Medicine in 1993. He completed his residency at Highland Hospital in 1996. He was 4th year chief resident at Highland Hospital in 1996-1997. He completed a sports medicine fellowship at UPMC-Shadyside in 1998. He worked at University of Connecticut until 2014 then joining Drexel University as chief of the division of sports medicine and chief medical officer for Drexel Athletics. He has served as assistant clinical director for student health since August 2022.
Michael Brown, MD
Staff Physician
Dr. Brown has been with Temple University Student Health Services since 2000. A Nebraska native, he earned an AB degree in biomedical ethics and a doctor of medicine degree from Brown University in Rhode Island. He completed a residency in family medicine at Chestnut Hill Hospital in Philadelphia. He is board certified in family medicine. Prior to joining Temple, Dr. Brown practiced in Minnesota and Plymouth Meeting, Pennsylvania, and in Philadelphia.
Nasreen Malik, MD
Assistant Clinical Director of Health Science Campus
Dr. Malik is board-certified family medicine physician. She graduated from the University of Vermont College of Medicine in 1997. Her residency training was completed at Thomas Jefferson University Hospital in Philadelphia in 2001. Since that time, Dr. Malik has been working as a physician in Philadelphia. She joined Temple University Student Health Services in 2005. She grew up locally and attended Villanova University as an undergraduate. She currently lives with her husband, three children and a Miniature Schnauzer in Bala Cynwyd, Pennsylvania.
Diana Zackey, MD
Staff Physician
Dr. Zackey is a board-certified internal medicine physician. Ze grew up in central Pennsylvania and received a BA in English from Yale University. Ze completed a post-baccalaureate program in pre-medical studies at the Harvard Extension School and graduated from Tulane University School of Medicine in New Orleans in 2017. Following this ze completed internal medicine residency at Cooper Hospital in Camden, NJ and then worked as a primary care doctor at Ninth Street Internal Medicine in center city Philadelphia. Dr. Zackey joined Temple Student Health Services in 2024. Ze lives in West Philly with a large number of succulents and two friendly cats.
Nancy Andresen, MSN, CRNP
Staff Nurse Practitioner
Nancy Andresen, MSN, CRNP, has been employed at Temple University Student Health Services since 1996. She received a BS degree in nursing from Gwynedd Mercy University in 1980 and an MS degree in nursing from the University of Pennsylvania in 1991. She has national certification as an adult nurse practitioner through the American Nursing Association Credentialing Center. Prior to coming to Student Health, she worked as a nurse practitioner in Temple University’s School of Medicine in general internal medicine. During this time, she was an adjunct faculty member in Temple University’s Adult Nurse Practitioner Graduate Nursing program. Prior to coming to Temple, she worked as a Nurse Practitioner at the Children’s Hospital of Philadelphia in Employee/Occupational Health. Her early nursing career at Albert Einstein Medical Center in Philadelphia included clinical nursing in a number of specialty units and nurse educator for nursing continuing education. She is a member of Sigma Theta Tau National Honor Society for Nursing and the Pennsylvania Coalition of Nurse Practitioners.
Rebecca Keuch, CRNP
Staff Nurse Practitioner
Rebecca Keuch (she/her) is a board-certified Family Nurse Practitioner with over eight years of experience in community health serving adolescents and young adults. She earned her BS degree in nursing from the University of Pittsburgh and an MS degree in nursing from the University of Illinois at Chicago. Prior to joining Temple University Student Health Services, Rebecca spent nearly 9 years working at Philadelphia FIGHT and serving as the Assistant Medical Director of YHEP Health Center, where she provided trauma-informed, patient-centered care to underserved populations. She also founded the Pride Program at Philadelphia FIGHT which focused on expending gender affirming care, creating a community resource guide, staff trainings, and working to improve clinic space for staff and patients. Her clinical expertise includes reproductive health, gender-affirming care, HIV prevention, STI prevention and treatment, and mental health support. She is passionate about creating a welcoming environment for students, helping bridge gaps in care, and empowering them to prioritize their overall wellness.
Sarah Sherr, CRNP
Staff Nurse Practitioner
Sarah Sherr is an adult nurse practitioner. She received her BS degree in nursing in 1998 and MS degree in nursing in 2001 from the University of Pennsylvania. She studied abroad in Oxford, England, for a semester while she was an undergraduate. She is member of Sigma Theta Tau International, the honor society of nursing. She has worked at the Hospital of the University of Pennsylvania in West Philadelphia and Wolfe-Simon Medical Associates in Cherry Hill, New Jersey. She has worked at Temple University Student Health Services for more than 10 years. She is board certified by the American Nurse Credentialing Center.