Kidney Care and Transplant Services of New England

Kidney Care & Transplant Services of New England

Kidney Care Team

Jennifer Bertolasio, PA-C

Jennifer Bertolasio, PA-C

Jennifer is a board certified physician assistant, graduating from Springfield College in 2011 with a Master of Science degree in Physician Assistant Studies. Prior to her graduate program, she graduated Cum Laude with a Bachelor’s Degree in Biology from Framingham State University in 2008. She worked as a hospital medicine Physician Assistant at Baystate Medical Center. During this time, she became the Medical Director of the Observation Unit and was selected to complete the Physician Leadership Academy program. While in PA school, she discovered a deep interest in nephrology, which led her to change her focus to this specialty.

In her free time, she enjoys spending time with her family. She also enjoys running, watching sports and playing with her dog.


Janet Hakanson-Stacy, LICSW

Janet Hakanson-Stacy, LICSW

Janet is a licensed independent clinical social worker with 20 years of experience at Fresenius Kidney Care. She received her master’s degree in social work at Case Western Reserve University in Cleveland, OH. Her social work career began at Baystate Medical Center. She moved into the renal field at Pioneer Valley Dialysis and was a clinic social worker there for 18 years. She now has the opportunity to provide education and advocacy for people in various stages of kidney disease. Her goal is to help people find creative and effective ways to live with kidney disease and still enjoy things that are important to them. She participated in various research studies and spoke at the 2016 National Kidney Foundation spring clinical meeting.

She enjoys time with family and friends. Her hobbies include gardening, biking and playing the piano.


Marissa Ostroff, PharmD

Marissa Ostroff, PharmD

Marissa Ostroff graduated magna cum laude with her Doctor of Pharmacy degree from the Massachusetts College of Pharmacy and Health Sciences in Boston, MA. Upon graduation Dr. Ostroff completed a Post Graduate Year-1 Clinical Pharmacy Practice residency at the VA Connecticut Healthcare System in West Haven, CT. During her PGY-1 she received her Teaching and Learning Certification from the University Of Connecticut School Of Pharmacy. Dr. Ostroff went on to complete a Post Graduate Year-2 Clinical Residency in Geriatrics at the Durham VA Healthcare System in Durham, NC. During her PGY-2 residency Dr. Ostroff completed the Faculty Development Course in Clinical Teaching developed by the Stanford Faculty Development Center for Medical Teachers. Dr. Ostroff became a Board Certified Pharmacotherapy Specialist in 2013.

Dr. Ostroff is currently a Clinical Assistant Professor of Ambulatory Care at Western New England University College of Pharmacy and Health Sciences specializing in chronic disease state management and chronic kidney disease. Dr. Ostroff's areas of interest include, chronic kidney disease, transitions of care, geriatrics, chronic disease state management, and long-term care. Dr. Ostroff’s clinical practice site for Western New England University College of Pharmacy is at Kidney Care & Transplant Services of New England where she sees patients for chronic disease state management in the setting of chronic kidney disease and has pharmacy students on rotation.

She and her husband live in Connecticut with their two dogs. She enjoys going on cruises, reading, visiting local beaches, and cheering on the University of Connecticut Women’s Basketball team.

Lili Quiterio, RN, BSN

Lili Quiterio, RN, BSN

Lili graduated with a Bachelor’s of Science in nursing from American International College in Springfield, MA. While attending nursing school, she worked as a patient care technician at a local dialysis unit. She remained at the same unit where she accelerated her career path as charge nurse to director of nursing. During her 14 years at the dialysis unit, she took great pride in providing her patients with safe and effective patient care, patient satisfaction and education at a level that was easy to understand and comforting to all her patients. Lili joined the nephrology private practice in 2014 where she was able to educate and assist patients with their care associated with chronic kidney disease. Lili also has a special interest in the kidney world as she has personally experienced the full circle of kidney disease, from chronic kidney disease to dialysis to transplantation.

Lili and her husband live in western MA with their three girls. She enjoys the beach, spending time with her family and loves Portuguese dancing. Lili is fluent in both Portuguese and Spanish.

M. Sheila Sullivan, M.Ed, RD, CSR, LDN

Ms. Sheila Sullivan graduated from Framingham State College with a Master Degree in Nutrition Education after earning undergraduate degree with honors in Human Nutrition at the University of Massachusetts, Amherst. Early in her career, Sheila developed a passion for renal nutrition realizing that dietary instruction could have a significant immediate as well as long term impact on a kidney patient's life. With a goal to teach kidney patients the benefits of good nutrition in kidney disease while taking care of the rest of the body, Sheila has had substantial influence on renal nutrition throughout the valley.

Sheila is a board certified specialist in renal nutrition and holds memberships in the Academy of Nutrition and Dietetics, the Massachusetts Academy of Nutrition and Dietetics (President 2003-2004), and the Massachusetts Dietetic Association (President 2011-2012, 1996-1997). Sheila enjoys hiking with her dog, biking and being near the ocean.


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