Mary Chelf,
APRN, FNP-C

Mary Chelf joined Gastroenterology Specialists in 2022. She is a Family Nurse Practitioner certified by the American Academy of Nurse Practitioners, licensed by the Oklahoma Board of Nursing, and is a member of the American Academy of Nurse Practitioners, the Association of Oklahoma Nurse Practitioners, the American College of Gastroenterology, and the American Gastroenterology Association.

Prior to joining GSI, Mary worked as a Family Nurse Practitioner in Primary Care.  She also has experience working as a Critical Care Registered Nurse.  She enjoys spending time with her family and traveling.

Board Certification:
Family Nurse Practitioner, AANP — 2020.
Registered Nurse, OBN — 2016.

Education:
University of Oklahoma Health Sciences Center, MSN — 2020
University of Oklahoma Health Sciences Center, BSN — 2016
Oklahoma State University, BS — 2015

Professional Training:
Ascension St. John Primary Care, Tulsa OK-Internal Medicine
St. Mary’s Primary Care, Enid OK-Family Practice Primary Care
Pediatric Specialists of Tulsa, Tulsa OK- Pediatrics
Contemporary Women’s Specialists, Tulsa OK- OB/GYN and Women’s Health