Nurse Practitioners and Physician Assistants

Kori N. Devoll, CNP

Kori N. Devoll, CNP

Certified Nurse Practitioner

Kori Devoll joined Ohio Gastroenterology Group in July 2013 after earning a Master of Science in Nursing degree from Otterbein University. She is also board certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners. Kori currently assists with inpatients at Riverside Methodist Hospital as well as seeing patients in collaboration with the physicians at our North Office location.

Amanda R. Gayetsky, PA-C

Amanda R. Gayetsky, PA-C

Physician Assistant

Amanda Gayetsky joined Ohio Gastroenterology Group in April 2014. She graduated from Westminster College in 2011 with a Bachelor of Science in Biology. She then went on to obtain a Master of Medical Science in Physician Assistant Studies from Lincoln Memorial University – Debusk College of Osteopathic Medicine in 2013. Amanda is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is a member of the American Academy of Physician Assistants. She currently assists with inpatients at Riverside Methodist Hospital as well as seeing patients in collaboration with the physicians at our Dublin and Westerville offices.

Erica M. Gilson, PA-C

Erica M. Gilson, PA-C

Physician Assistant

Erica Gilson joined Ohio Gastroenterology Group in April 2014. She graduated from John Carroll University in 2005 with a Bachelor of Science in Chemistry. She then went on to obtain a Master of Health Science in Physician Assistant Studies from South College in 2013. Erica is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is a member of the American Academy of Physician Assistants. She currently assists with inpatients at Mount Carmel West Hospital.

Barbara Looser, CNP

Barbara Looser, CNP

Certified Nurse Practitioner

Barbara Looser has been with Ohio Gastroenterology Group since 2005. She graduated Summa Cum Laude from The Ohio State University in 1999 with a Bachelor of Science in nursing. Her nursing career began in critical care in the Medical Intensive Care Unit at OSU Medical Center. She then went on to obtain a Master of Science with her studies in Adult Health & Illness at The Ohio State University in 2004. She is certified by the American Academy of Nurse Practitioners and is a member of the Ohio Assoication of Advance Practice Nurses. Barb currently assists with inpatients at Mount Carmel East.

Erin Weyandt, CNP

Erin Weyandt, CNP

Nurse Practitioner

Erin Weyandt joined Ohio Gastroenterology Group in November 2015 after earning a Master of Science in Nursing degree from Mount Carmel College of Nursing. She is board certified as a Family Nurse Practitioner by the American Nurses Credentialing Center. Erin provides patient services in collaboration with the physicians at our Dublin and Westerville Offices. She also assists with inpatient consults at Riverside Methodist and Dublin Methodist Hospitals.

Lori J. Evans, PA-C

Lori J. Evans, PA-C

Physician Assistant

Lori Evans joined Ohio Gastroenterology Group in February 2016. She completed the Physician Assistant program and earned her Master of Science degree in 2006 from Baylor College of Medicine. She is board certified by the National Commission on Certification of Physician Assistants. Lori provides patient services at our East and West Offices. She also assists with inpatient consults at Mount Carmel East, Mount Carmel West, and Mount Carmel St. Ann’s Hospitals.