Medical Team
Outpatient Advanced Practice Providers
Gretchen Calhoun, APRN, ANP-C
Liver Program
Joined Ohio Gastro in 2022. Graduated from George Mason University with a Bachelor of Science in Nursing. Then went onto obtain a Master of Science in the Adult Nurse Practitioner Program at The Ohio State University.
Sara Doran, APRN, CNP
Westerville
Joined Ohio Gastro in 2023. Graduated from Mercy College of Ohio with an Associate of Science in Nursing. Then went onto obtain a Master of Science at Chamberlain College of Nursing.
Makayla Durrant, CNP
Pickerington
Joined Ohio Gastro in 2024. Graduated from Kettering College of Medical Arts with an Associate in Science in Nursing. Then went onto obtain a Bachelor of Science in Nursing from Ohio University. Makayla then obtained a Master of Science in Nursing from the University Of Cincinnati.
Shannon Fatseas, PA-C
Olentangy
Joined Ohio Gastro in 2026. Graduated from the Ohio State University School of Allied Medicine with a Bachelor of Science, Medical Dietetics. Then went onto obtain a Master of Science, Physician Assistant Studies from Ohio Dominican University.
Kathy Foreman, CNP
Liver Program
Joined Ohio Gastro in 2025. Graduated from The Ohio State University with a Bachelor of Science in Nursing. Then went onto obtain a Master of Science-Adult Health Nurse Practitioner from The Ohio State University.
Abagail Garcia, MSN, CNP
Dublin
Joined Ohio Gastro in 2023. Graduated from Ohio State University with a Bachelor of Science in Nursing. Then continued at Ohio State to receive a Master of Science in Nursing.
Courtney Garvin, PA-C
Pickerington
Joined Ohio Gastro in 2024. Graduated from Wittenberg University with a Bachelor of Arts in Biology. Then went onto obtain a Master of Medical Sciences in Physician Assistant Studies from Salus University, College of Health Science.
Michelle Geise, FNP-C
Westerville
Joined Ohio Gastro in 2021. Graduated Cum Laude from Kent State University with a Bachelor of Science in Nursing. Then went onto obtain a Master of Science in the Family Nurse Practitioner Program at The University of Cincinnati.
Megan Jarrells, CNP
Gahanna
Joined Ohio Gastro in 2026. Graduated from Bluegrass Community & Technical College with an Associate Degree in Nursing. Then went onto obtain a Bachelor of Science in Nursing from Western Governors University. Megan then obtained a Master of Science in Nursing – Family Nurse Practitioner from Ohio University.
Pamella Kibbe, APRN, DNP, ANP-BC
Liver Program
Joined Ohio Gastro in 2021. Graduated from Bowling Green State University with a Bachelor of Science in Nursing. Then went onto obtain a Master of Science in the Adult Nursing Practitioner Program at The Ohio State University.
Joseph Price, AGNP-C
Olentangy
Joined Ohio Gastro in 2022. Graduated from The Ohio State University with a Bachelor of Science in Biology. Then went onto obtain a RN degree and a Master of Science in the Adult-Gerontology Primary Care Nurse Practitioner Program at The Ohio State University.
Jena Ren, FNP-C
Gahanna
Joined Ohio Gastro in 2022. Graduated from Wright State University with a Bachelor of Science in Nursing. Then went onto obtain a Master of Science in the Family Nurse Practitioner Program at Ohio University.
Haily Savage, PAC
Dublin
Joined Ohio Gastro in 2026. Graduated from University of St. Thomas with a Bachelor of Science in Biology and Minor in Business Administration. Then went onto obtain a Master’s degree as a Physician Assistant from the Ohio University Physician Assistant Program.
Christine Vereb, PA-C
Olentangy
Joined Ohio Gastro in 2023. Graduated from The Ohio State University with a Bachelor of Science in Biology. She then went onto obtain a Master of Medical Science in Physician Assistant Studies from Kettering College.
Lindsay Ward, PA-C
Olentangy
Joined Ohio Gastro in 2025. Graduated from Saint Francis University with a Bachelor of Science in Health Science along with a Minor in Psychology and Biology. Then went onto obtain a Master of Physician Assistant Science from Saint Francis University.
Melissa Writesel, FNP
Dublin
Joined Ohio Gastro in 2024. Graduated from Columbus State Community College with an Associate of Science in Nursing. Then went onto Ohio University and received a Bachelor of Science in Nursing. Melissa then received a Master of Science as a Family Nurse Practitioner from Ohio State University.
Carlee Znamenacek, CNP
Pickerington
Joined Ohio Gastro in 2025. Graduated from Central Ohio Technical College with an Associate of Science in Nursing. Then went onto obtain a Bachelor of Science in Nursing from the University of Cincinnati. Carlee then obtained a Master of Science in Nursing from Youngtown State University.