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Kidney Care & Transplant Services of New England


Lyria Unsderfer, Practice Manager

Lyria Unsderfer, Practice Manager

Lyria's role at Kidney Care began over 25 years ago when she was hired as an administrative assistant at a Springfield-based private nephrology practice that would eventually become Kidney Care. Since her hire, her roles for Kidney Care's predecessor organizations were wide in scope and allowed her to learn each aspect of practice administration from our diverse companies, whether as a Surgical Administrator, General Office Manager, or for the past 10 years, Practice Administrator, Lyria serves as the guide for Kidney Care to achieve our goal of patient-centered, compassionate service to our customers.

Outside of the office, Lyria enjoys being with her children and taking hiking trips with friends.

Crystal Garvey, Director of Operations

Crystal Garvey, Director of Operations

Crystal has over 15 years of experience in the healthcare industry. After going to school to become a certified medical biller, she worked for a variety of medical specialties before finding her home in nephrology. Crystal started as billing manager in 2011. As she continued to take on more challenges and responsibilities she grew into her current position as of Director of Operations. Crystal plays a vital role in the organization, working alongside the Practice Administrator and physicians of Kidney Care. She is responsible for co-managing the large specialty practice and works closely with the other managers, physicians and staff to improve and enhance patient experience and care.

Crystal, her husband and son have lived in Western Mass their entire lives. She loves spending time with her family and is an avid Boston sports fan! Crystal has a taste for all genres of music and likes attending local concerts and music festivals. She has a love for flowers and plants and enjoys gardening and maintaining her flower-filled backyard and home.

Joy Del Buono, RN, BSN, CNN & VAC Administrator

Joy DelBuono, RN, BSN, CNN & VAC Administrator

Joy graduated from Elms College with Bachelor of Science in Nursing. She is a certified nephrology nurse, ACLS certified, infection prevention and conscious sedation certified. Joy also belongs to AORN and ANNA organizations. Joy began her nursing career working on a surgical unit at Baystate Medical Center. After 5 years, she transitioned into nephrology nursing. She has cared for patients in acute, chronic and home dialysis where she has advanced from staff to management. She left Baystate Medical Center after 17 years to manage a 25 station dialysis unit and hospital acute program. In 2005, after 10 years as a dialysis clinic manager, she became the Administrator of the Vascular Access Center. In addition the managing all aspects of the Vascular Access Center, she continues to provide nursing care to patients and support to their families. The time she spends with patients and families brings her the greatest joy!

Joy is married with 2 grown children (Christin and Eric) and also has a terrier named Brody. She is a New England sports fan and loves going to Patriots games with her family. She also enjoys exercising, traveling, dinner with friends and reading.

Lynn Pratt

2D Silhouette of a woman in suit being used as a placeholder for Lynn Pratt

Lynn received her Bachelor of Science in Nursing from Westfield State University. Over the past 22 years, she has cared for dialysis patients in both the acute and chronic settings. During this time, Lynn advanced from patient care staff to nurse to charge nurse and finally dialysis clinic manager caring for over 120 patients performing incenter and home dialysis and overseeing a staff of 25 caregivers. During her 14 years as a dialysis clinic manager, Lynn led high efficiency teams that provided compassionate, empathetic, and high quality care to dialysis patients and their families. In December 2020, Lynn’s passion and love for nephrology and dialysis patients led her to transition to the Vascular Access Center. At the Vascular Access Center, Lynn will continue her mission to provide exceptional nursing care to all her patients and bring her exceptional administrative talents to this vital resource for our patients.

Lynn is married with 5 sons and 2 dogs. She is an avid New England sports fan, and loves to watch and attend the games with her family. She also enjoys camping, the beach, and walks with her dogs.