Preventive Medicine Associates, PLLC

About Our Providers

Joseph T. Barry, MD

JOSEPH T. BARRYDr. Barry grew up in Camillus and graduated from West Genesee High School in 1976. He then attended Cornell University and graduated in 1980. He then attended Downstate Medical Center and did a three year Internal Medicine Residency in Boston at St. Elizabeths Hospital. He returned to Central New York to join his father in private practice. Dr. Barry is board certified in both Internal Medicine and Geriatrics.

Dr. Barry lives in Lafayette with his wife Debbie and their two children Kyle and Shannon. His interests include chess, reading, old movies, hiking and gardening. Dr Barry believes you must treat the whole person not just the presenting problem. He believes there is a real and important connection between your brain, your body and your spiritual self.


Alexander B. Knudsen, MD

Alexander B. Knudsen, MDDr. Knudsen was born in Brooklyn, NY and grew up in Staten Island. He moved to Syracuse to practice medicine with Drs J.T. and J.A. Barry in 1989. Dr. Knudsen is board certified in Internal Medicine. He attended medical school at Downstate Medical School in Brooklyn where he met Dr. J.T. Barry, and did his residency in St. Vincent Hospital in Worcester, MA.


David C. Manfredi, MD

David C. Manfredi, MDDr. Manfredi was born and raised in NYC, where he attended and graduated from NYU. He continued his education at the University of Bologna, Italy, Medical School, graduating in 1975. He completed his residency in Family Practice at St. Joesph’s Hospital of Yonkers, NY and received his board certification. Dr. Manfredi is fluent in French and Italian.

Dr. Manfredi and his wife, Martha Mulroy, moved to Syracuse and worked as an emergency medicine doctor at Community General Hospital for 23 years, receiving his board certification in this field. They have two sons, Mike and Brian, and a daughter Emily.


Judith C. Garrett, FNP

Judith C. Garrett, FNPJudith graduated from Auburn Memorial Hospital and has practiced in acute care and long term care hospital nursing for 25 years. She received her Bachelor of Science degree in nursing from SUNY College of Technology and in 1996 received her Family Nurse Practitioner Certificate. She is currently certified by the American Nurses Association in Acute Care Nursing.

As a Nurse Practitioner, Judi sees her primary focus as patient education in health promotion, maintenance behaviors and in diagnosing and treating patients with non-critical acute and chronic illnesses.

Jennifer S. Castro FNP

Jennifer S. Castro FNPJennifer Castro is a Nurse Practitioner in Family Health. She received her Bachelor of Nursing from Rutgers University. Her Family Nurse Practitioner Degree was awarded from SUNY Upstate. She started her nursing career at Memorial Sloan Kettering Cancer Center in the ICU before moving to Syracuse where she worked in the Emergency Department at St. Joseph’s Hospital, and the Department of Family Medicine at Upstate as an FNP. She enjoys running, baking and keeping up with her kids. She resides in Camillus with her husband Luis and three children Olivia, Manny, and Analise.


Ellen Lynne Carey, FNP

ELLEN LYNNE CAREYLynne grew up in Marcellus. She received her BSN from Wilkes College in 1982. She then served in the Navy at Oakland Naval Hospital for 4 years, working with general surgery, orthopedic and neonatal patients. She then worked at Oakland Children’s Hospital in the Neonatal ICU for 2 years. She then moved to North Carolina, worked for 7 years in Neonatal ICU and started her Masters. She relocated to Syracuse in 1996, finished her MSN at Upstate and worked in Pediatric ICU for 7 years, then as an NP with pediatric surgery for 7 years. She has 2 sons, enjoys the outdoors, and traveling with her husband.


Zoryana R. Bosak, FNP

Zoryana R. Bosak, FNPZoryana is a Family Nurse Practitioner. She earned her BSN from SUNY Upstate Medical University. She started her nursing career in 2003 at University hospital, where she was employed for almost ten years. She worked in the Neuroscience Intermediate Care Unit as a Patient Service Leader (PSL). In 2012, Zoryana went back to college and earned her MSN from Upstate Medical University. She is currently certified by AANP.

Zoryana lives in Lakeland with her husband Bogdan and their three children Benjamin, Jacob and Abigail. She enjoys spending time with family, cooking, reading and traveling. She is fluent in Ukrainian and Russian.


Amy A. Perrin, FNP

Amy A. PerrinAmy was born in Syracuse, NY and graduated from Liverpool High School. Amy is a Nurse Practitioner specializing in Family Health. She earned her Master’s Degree as a Family Nurse Practitioner from SUNY Upstate Medical University graduating with distinction of cum laude. Her undergraduate nursing education was received at Crouse Hospital College of Nursing and Keuka College. Amy’s nursing practice started at St. Joseph’s in the surgical ICU. She then continued in the St. Joseph’s network in labor and delivery and a childbirth educator. Amy has a passion for education and continues to teach at St. Joseph’s College of Nursing as a faculty member. Amy lives in Baldwinsville with her husband Kevin and children Courtney and Caleb. Amy enjoys reading, camping and kayaking.

Terry Kelly, ANP

Terry Kelly, ANPTTerry Kelley is an Adult Nurse Practitioner. She earned her BSN at the Institute of Technology in Utica. She received her Master’s degree from Syracuse University. Terry started her nursing career in 1983 at Community General Hospital where she was employed for 25 years.

Jane Choi, PA-C

Jane ChoiBorn and raised in Chicago, Illinois. She received her Bachelor of Science from Syracuse University. She earned her Master of Physician Assistant Studies from Sacred Heart University.

Jane believes in treating the patient holistically and is very open-minded. She is proficient in Korean. She has knowledge in mental illness, HIV, and transgender medicine.

Jane loves dogs and is a dog mom to a Yorkie named Benny.