About Our Providers

KEVIN L. CASTILLO, DO., MS

Dr Castillo joined the practice in June of 2023

Specialty
Gastroenterology

Hospital Affiliations
Salen Community Hospital

Board Certifications
American Osteopathic Board of Gastroenterology
American Osteopathic Board of Internal Medicine

Medical School
Texas College of Osteopathic Medicine, D.O. 2011
Lake Erie College of Osteopathic Medicine, Master’s Degree in Medical Education 2016

Residency
Midwestern University/Swedish Covenant Hospital 2011-2014

Fellowship: Gastroenterology
Lake Erie College of Osteopathic Medicine 2014-2017

Memberships
American Gastroenterology Association
American College of Gastroenterology
American Osteopathic Association
American College of Osteopathic Internists

Dr. Khetarpal joined Gastroenterology Associates in January of 1993.

Specialty
Gastroenterology

Hospital Affiliations
Aultman Orrville Hospital

Board Certifications
American Board of Gastroenterology
American Board of Internal Medicine
M.R.C.P. (London, Edinburgh, Glasglow)

Medical School
University of Delhi, India, B.M.B.S. 1978
University of Delhi, India, B.S. 1974

Fellowships: Gastroenterology & Hepatology
Oxford University Affiliated Hospitals (UK) 1983-1986
University of Iowa Hospitals & Clinics 1988-1990
University of Newcastle 1990-1992

Residency
University of Delhi 1980-1981
Oxford University Affiliated Hospitals 1981-1983
Aultman Hospital & Mercy Medical Center 1986-1988

Memberships
Ohio State Medical Association
Stark County Medical Association
American Gastroenterology Association
American College of Gastroenterology

Zev Randy Maycon, M.D.

joined the practice in June of 2023

Specialty
Gastroenterology

Hospital Affiliations
Salem Community Hospital

Board Certifications
American Board of Gastroenterology
American Board of Internal Medicine

Medical School
University of Medicine and Dentistry of New Jersey, M.D. 1992

Residency
North Shore University-Cornell University Medical College/Memorial Sloan-Kettering Cancer Center 1993-1995
During his residency, Dr. Maycon earned multiple awards, including the National Institutes of Health Research Award for Clinical Trainees and the George M. Jaffin Scholarly Award.

Fellowship: Gastroenterology
Georgetown University Medical Center 1995-1997

Memberships
Ohio State Medical Association
American Gastroenterology Association
American College of Gastroenterology
American Society of Gastrointestinal Endoscopy
American College of Physicians

Dr. Maycon also served as the committee vice president for the Healthcare Underwriters Group (HUG) for Mutual of Ohio from 2006-2007

Courtney joined the practice in February of 2023 following many years as an RN in the emergency room setting.

Hospital Affiliations
Aultman Orrville Hospital

Nurse Practitioner
Gastroenterology Associates, Inc. 2023 – Present

Clinical Preceptorships
Internal Medicine
Cardiology
Endocrinology
ENT

Registered Nurse
Summa Wadsworth ER – 2018 – 2023
Summa Akron City Hospital- ER – 2017 – 2018
Summa Akron City Hospital – Observation Unit- 2014 – 2016

Certifications
American Academy of Nurse Practitioners – 2022
NIH Stroke Certification

Schooling
Kent State University- Master of Science in Nursing – 2022
University of Akron- RN, BSN - 2014
University of Toledo- Bachelor of Science in Biology- 2011

Bonnie joined Gastroenterology Associates, Inc. in March 2009. She was with the group until December of 2015 when she made a move to South Carolina to be closer to her family. After several years there, she decided to move back to Ohio and returned to Gastroenterology Associates, Inc.

Hospital Affiliations
Aultman Orrville Hospital

Work History

Nurse Practitioner
Gastroenterology Associates, Inc. – 2017- Present
Low Country Medical Group – 2015- 2016
Gastroenterology Associates, Inc. 2009-2014
Primary Care Physicians – 2006-2009

Registered Nurse
Mercy Medical Center – Intensive Care Unit- 2002-2006
Akron City Hospital – Trauma, Intensive Care Unit- 2000-2005

Certifications
American Academy of Nurse Practitioners 2006
Certificate of Authority – 2006

Schooling
The University of Akron, - Master of Science in Nursing- 2006
Kent State University – RN, BSN- 1997

Memberships
Northeast Ohio Nurse Practitioners (NEONP)
The Association of Advanced Nurse Practitioners (OAAPN)