Our Team


Sharon Collison
Sharon Collison, M.S., R.D., LDN, CSSD 
Sharon Collison is a licensed, registered dietitian, board certified in sports dietetics.  Ms. Collison has a  Master’s degree in Human Nutrition with a focus in exercise physiology and sports nutrition.  She has been in private practice since 2001. She specializes in weight management, eating disorders, sports, wellness  and cardiovascular nutrition.




Susan Conaty-buck
Susan Conaty-Buck  Susan Conaty-Buck is a certified Family Nurse Practitioner with 12 years experience caring for patients of all ages. Dr. Conaty-Buck practices patient-centered care and encourages patient communication and collaboration with a goal of improving health and wellness for each patient. She is an Assistant Professor in the School of Nursing educating NP students. Dr. Conaty-Buck completed her Doctor of Nursing Practice and Master of Nursing degrees from the University of Virginia. Her research interests also include Healthcare Informatics and she works with state and national organizations to recommend quality technology options to support patients' efforts to improve their health and wellness, and promotes informatics solutions to help patients receive access to care.


Carolyn Haines
Carolyn Haines, NP | STAR Employee of the Month

Carolyn Haines joined the Center as a full-time Nurse Practitioner this year. Carolyn has already become an instrumental leader in the NMHC. She provides exceptional primary and acute care to patients, and top-notch preceptorship to student nurses. Carolyn is a great collaborator and is very supportive of research studies at STAR. We are lucky to have her!

Carolyn is a Family Nurse Practitioner with 7 years of primary care experience, and many years experience as an Emergency Department RN. She has both her BSN and MSN from the University of Delaware. She has completed training through the Edmond J. Safra Foundation for the study and treatment of Parkinson’s Disease and is a provider for the Parkinson’s Disease Telemedicine Clinic at UD. Carolyn’s special interests include chronic care management of diabetes, hypertension, and hyperlipidemia. She also has interest in women’s health as well as health promotion and acute care management. She is a full-time primary care provider at the Center and is accepting new patients.

Jenny Hughes
Jenny Hughes, MSN, FNP-BC
Jenny Hughes is a Family Nurse Practitioner and part time Instructor and Clinical Site Director for the graduate Nurse Practitioner Program at the University of Delaware. She has 18 years experience in primary care and specializes in the care of Diabetes as well as Women's Health. She is also is a member of the Parkinson's Clinic at the Center.



Beatrice Gaynor, MSN, FNP-BC
Beatrice Gaynor earned a Bachelor's of Science in Nursing degree from the University of Delaware and a Master's of Science in Nursing from Wilmington University. Ms. Gaynor is an ANCC-certified Family Nurse Practitioner. She has worked clinically in geriatrics, critical care, family practice, and adolescent health and taught medical-surgical nursing and pharmacology at a community college. As a full time student pursuing a Doctor of Philosophy in Nursing Science degree at the University of Delaware, she is working as research assistant to Dr. Regina Sims Wright. Beatrice's research is focused on exploring the gap between research knowledge and clinical utilization of metabolic syndrome measurements. She was awarded the 2013-14 Virginia Lee Franklin Fellowship.


Hal Kramer, MD
Dr. Kramer received his Doctor of Medicine at George Washington University and completed his residency at Charleston Naval Hospital in North Carolina. Dr. Kramer serves as a resource to the Nurse Managed Primary Care Center, working in collaboration with our team of Nurse Practitioners to effectively manage the care provided to our patients.



Ju Young Shin, PhD, APN, ANP-C
Dr. Shin, a Nurse Practitioner and Assistant Professor in the University of Delaware, School of Nursing, has special interests in primary care and the care of older adults. Dr. Shin completed her PhD in Adult Gerontological Nursing at the University of Iowa and a post-master's certificate from Duke University. She was a pre-doctoral fellow of the American Heart Association in 2007. Her research interests include the management of Parkinson's Disease and mental health care for older adults.



Susan Cross-Skinner, MSN, ANP-BC
Susan Cross-Skinner, an Adult Nurse Practitioner and Instructor in the University of Delaware School of Nursing, has special interest in primary care, health promotion and cancer care. She completed her Master's Degree in Nursing with a concentration in Oncology at Widener University. She completed her Nurse Practitioner education at the MGH Institute of Health Professions in Boston, Massachusetts.



Julia Jordan, MSN, FNP-BC
Julia Jordan is a Family Nurse Practitioner. with 20 years experience in medical/surgical and psychiatric nursing. Julia sees patients at the Nurse Managed Primary Care Center STAR Campus location, as well as at the Center’s satellite office at the Rick Van Story Service Center in Wilmington. Julia is a 2006 and 2012 recipient of the Christiana Care Health System’s Nursing Excellence Award.




Patti Szwetkowski, AA
Patti is the Receptionist for the Nurse Managed Health Center. Patti coordinates scheduling for the Center and answers all patient questions about insurance eligibility and Center services. Patti completed her Associate’s Degree in Harrisburg, PA.






Regina McCann




Parkinson’s Disease Clinic Researchers

Ingrid Pretzer-Aboff, PhD, MA, RN, CNS
Ingrid received her BSN and MA degrees from the New York University School of Nursing, New York, and PhD from the University of Maryland, Baltimore. Research interests include the development and testing of function focused care interventions and programs that help individuals with Parkinson’s disease (PD) function as independently as possible in the community setting. Recipient of the first Edmond J. Safra Philanthropic Foundation Distinguished Scholar in Nursing Award for Outstanding Achievement in Improving the Lives of People Living with Parkinson’s Disease, 2010.



Tanya Heggans, JD
Tanya Heggans is the Practice Analytics Consultant for the PD Clinic. Tanya works with the clinic administration, research director and biostatistician on integration of telemedicine outcomes data and generation of reports from this data. She has done previous research on HPV related Oropharyngeal Cancer regarding the number the number of diagnosed cases in this area at the Helen F. Graham Cancer Center. She received her BA from the University of Michigan and JD from the University of Detroit Mercy.