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Our Program

Meet the Team

Meet the leadership and staff team of our kidney transplant program.

Leadership Team

Jason Rolls, M.D., FACS
Chief and Surgical Director

Jason Rolls, M.D., FACS

Stephen Guy, M.D., FACS
Associate Chief
Transplant & Living Donor Surgeon

Stephen Guy, M.D., FACS

Peter Burke, Jr., D.O., MBA
Medical Director
Transplant Nephrologist

Peter Burke, Jr., D.O., MBA

Helen Chang-DeGuzman, M.D.
Transplant Nephrologist

Helen Chang-DeGuzman, M.D.

Kareem Genena, M.D.
Transplant Nephrologist 

Karen Davis, MSN, FNP-BC
Transplant Nurse Practitioner

Karen Davis, MSN, FNP-BC

Robert Brown, M.D.
Living Donor Surgeon

Erica Atchison, BSN, RN, CCRN-K
Transplant Operations & Quality Administrator

Erica Atchison, TSN, RN, CCRN-K

Staff Team

Clare Shumate, RN, BSN
Senior Transplant Coordinator

Clare Shumate, RN, BSN

Christy Sentman, RN
Transplant Coordinator

Christy Sentman, RN

Alison Purner, MSN, RN
Transplant Coordinator

Alison Purner, MSN, RN

Stacey Strazzella, BSN, RN, CCRN
Transplant Coordinator

Stacey Strazzella, BSN, RN, CCRN

Heather Crumley, MSN, RN, PCCN-K
Transplant Coordinator

Heather Crumley, MSN, RN, PCCN-K

Lori Antonini
Transplant Patient Navigator

Adrienne Holden, LMSW, CCM
Transplant Social Worker

Adrienne Holden

Nadia Hellenga, Pharm.D
Clinical Pharmacy Specialist

Nadia Hellenga, Pharm.D

Molly Strayer, RD, LDN, CCTD
Senior Transplant Dietitian

Molly Strayer, RD, LDN, CCTD

Barbara Demyanovich
Senior Transplant Financial Coordinator

Barbara Demyanovich

Myrna Rivera
Transplant Financial Coordinator

Tom Gay
Medical Assistant

Tom Gay

Monique Duckett
Medical Assistant

Monique Duckett

Sharon Franceschini
Outreach Coordinator

Sharon Franceschini

Kayla Harper
Operations Coordinator

Kayla Harper

Donna Truman
Senior Office Assistant

Caitlyn Lamborn
Senior Office Assistant

Caitlyn Lamborn

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Contact Us

ChristianaCare Newark Campus

Medical Arts Pavilion 2 (MAP 2), Suite 2224
4735 Ogletown-Stanton Road,
Newark, DE 19713