Call : 716-323-0080 for appointments or information


Call : 716-323-0080   for appointments or information

Nurse Practitioners, Nurses & Dieticians

Anita M. Crawley obtained her BS in Nursing from D'Youville College.
She then worked as a Registered Nurse in the Pediatric Intensive Care Unit at Children's Hospital of Buffalo while working on her Master's Degree. Anita obtained her MS in Child Health Nursing from the State University of New York at Buffalo. She earned her degree as a Pediatric Nurse Practitioner from D'Youville College, Buffalo NY. She then worked as Pediatric Nurse Practitioner for the Division of Cardiovascular and Thoracic Surgery at Children's Hospital prior to accepting a position as Pediatric Nurse Practitioner for the Digestive Diseases & Nutrition Center. Anita is board certified as a Pediatric Nurse Practitioner from the American Nurses Credentialing Center (ANCC), recertified 2001.

Casey M. Wild obtained her BS in Nursing from State University of New York at Buffalo.
She worked as a Registered Nurse at Women and Children’s Hospital of Buffalo while she worked towards her Master’s Degree. She obtained her Master’s degree in Child Health Nursing from State University of New York at Buffalo. She then accepted a position with the Digestive diseases and Nutrition Center. Casey previously worked as a Teaching Assistant at University at Buffalo’s School of Nursing. She also worked as a Clinical Instructor with Niagara County Community College. She recently became a board certified Pediatric Nurse Practitioner from the American Nurses Credentialing Center (ANCC) in 2009

Erin Misener LPN received her degree from  Buffalo Vocational Technical Center and attended Erie Community College for Allied Health. She has worked as a LPN for 20 years working at Millard Fillmore Gates in Medical Surgical and their research division.  She also worked for private physicians in the community as a dermatological surgical nurse.

Endoscopy Nurses

The endoscopic nurses are responsible for the scheduling of procedures, providing instructions as well as an overview of the procedure day to patients and their families, inpatient pH probe education and insertion, esophageal and anorectal motility testing, enteric teaching for patients and their families, and assisting the gastroenterologists with their procedures.

The endoscopic nurses would be happy to assist you with any questions or concerns you may have. Please call them at (716) 878-7359. They are available Monday - Tuesday from 8-4 p.m.

Lisa Missert, RN received her BSN at D'Youville College. She started working at Children's Hospital in 1980. Prior to joining the team at DDNC, Lisa's work experience included Neonatal Intensive Care, Interventional and General Radiology and Home Care Nursing.

Melissa Severyn, RN received her nursing degree at ECC. She started working at Children’s Hospital in 1981 and worked on the Infectious Disease Infant Care Unit. Melissa obtained her CPN (Certified Pediatric Nurse) in 1992.

Catherine L. Williams, RN received her nursing degree from Niagara County Community College. Since 1997 she worked for Eastern Niagara Newfane and Lockport hospitals in the maternity division and as a float nurse to medical and surgical ICUs, and to the emergency departments. During her last 6 months at Newfane she worked in the Ambulatory Surgery Unit. She taught prenatal class for the past 6 years at Newfane before coming to pediatric gastroenterology. Her duties are to schedule GI procedures.

Research Coordinators

Sonja Williams

Sonja Williams, received a AAS in Med Lab Technology with a certification as a Medical Office Assistant in 1999.  She started working as a Clinical Research Coordinator at Millard Fillmore Gates Hospital  in  2000. She received CCRC certification by  ACRP (Association of Clinical Research Professionals) in 2001. In 2005 she relocated to Washington DC and coordinated studies in the Cardiology Cardiac Cath lab, Rheumatology, Immunology, and Diabetes Departments at the Washington Hospital Center.  She also has experience as an Oncology Research Coordinator in Charlotte, North Carolina.  Sonja joins the DDNC with much experience working on both Investigator Initiated and Pharmaceutical funded studies on all phases of clinical research.

Helena McClenahan

Helena McClenahan has worked as a research coordinator for 10 years and worked in the Dialysis field of research before being hired at Children’s Hospital of Buffalo.  She graduated from Star Technical Institute in Lakewood New Jersey, Cardiovascular Technology Medical Assistant with honors.  Helena also served time in the United States Air Force for 7 1/2 yrs and worked as Veterinary Technician (14 yrs.).


Georgina Bojczuk, RD, CSP received her BS in Dietetics from Buffalo State College. She joined the Digestive Diseases and Nutrition Center at Women and Children's Hospital of Buffalo in 2004 and was credentialed as a Board Certified Specialist in Pediatric Nutrition in 2011. She is a member of the American Academy of Nutrition and Dietetics and the Western New York Dietetic Association. Georgina provides nutritional care and education for patients with a variety of health issues, and has a special interest in digestive diseases, pediatric nutrition support and weight management. She is also actively involved in teaching dietetic interns and is currently an adjunct Clinical Nutrition Instructor for D'Youville College's Dietetics Department.

Kelly Savage, RD
received her BS in Dietetics from Marywood University, PA in 2011 and received her Master of Science degree in Nutritional Sciences through Oklahoma State University in December 2016.. She joined the Digestive Diseases and Nutrition Center at Women and Children's Hospital of Buffalo in 2013. Her duties include providing nutritional support and education to patients in both inpatient and outpatient settings. Kelly’s interests consist of digestive diseases, human gut microbiota, pediatric nutrition and nutrition support therapy.

Administrative Staff

Lorraine (Lori) Esene, Office Manager/Fellowship Coordinator

Lori has worked over 30 years in academic environments within the major teaching hospitals

of Western New York. She is experienced developing community based & private based practices.

Her previous positions as Practice Administrator, Interim CEO and Compliance Officer of a federally

qualified health center (FQHC) have given her the skills to meet the educational and

needs of large or small organizations.

Clinical Secretaries

Kelly Stewart

Sheila Fitzpatrick

Rebecca Yeates

Our Clinical Secretaries manage and coordinate daily office activities ranging from making appointments to addressing variety of non clinical questions pertaining to scheduling, referrals, office policies among many other internal responsibilities. They oversee inpatients, outpatients and procedure billings and keep a close tract of interdepartmental statistics. Our staff will be able to help you with any clinic related, scheduling, and insurance issues.

Our Staff