Skip to main content
Admissions
About the College
Departments and Centers
Education
Research
Faculty Affairs and Development
Organizational Well-Being
News
Alumni
About the College
Accreditation
Campuses and Programs
Clinical Partnerships
College Leadership
Dean's Welcome
Strategic Communications Resources
UK Medicine Magazine
Visit the College of Medicine
Willed Body Program
Departments and Centers
Basic Science Departments
Clinical Departments
Centers
Education
Biomedical Education
Graduate Medical Education
MD/PhD Program
Medical Student Education
Dean's Welcome
Dean's Office Contacts
Strategic Plan
Because We Care
Basic Science Departments
Behavioral Science
Microbiology, Immunology, and Molecular Genetics
Molecular and Cellular Biochemistry
Neuroscience
Pharmacology and Nutritional Sciences
Physiology
Toxicology and Cancer Biology
Clinical Departments
Anesthesiology, Perioperative, Critical Care, and Pain Medicine
Emergency Medicine
Family and Community Medicine
Internal Medicine
Neurology
Neurosurgery
Obstetrics and Gynecology
Ophthalmology
Orthopaedic Surgery and Sports Medicine
Otolaryngology-Head and Neck Surgery
Pathology and Laboratory Medicine
Pediatrics
Physical Medicine and Rehabilitation
Psychiatry
Radiation Medicine
Radiology
Surgery
Urology
Centers
Barnstable Brown Kentucky Diabetes and Obesity Center
Center for Cancer and Metabolism
Center for Clinical and Translational Science
Center for Environmental and Systems Biochemistry
Center for Health, Engagement, and Transformation
Center for Microelectrode Technology
Center of Excellence in Rural Health
Center of Research in Obesity and Cardiovascular Disease
Center on Drug and Alcohol Research
Center on Trauma and Children
Kentucky Neuroscience Institute
Linda and Jack Gill Heart Institute
Markey Cancer Center
Saha Aortic Center
Saha Cardiovascular Research Center
Sanders-Brown Center on Aging
Spinal Cord and Brain Injury Research Center
UK-CARES
Apply
For Patients
Giving
Alumni
My UK
Apply
For Patients
Giving
Alumni
myUK
Internal Medicine
Internal Medicine
About Us
Toggle Dropdown
Administration
News
Divisions
Toggle Dropdown
Allergy and Immunology
Toggle Dropdown
Clinical Care
Faculty and Staff
Research
Biomedical Informatics
Cancer Biostatistics
Cardiovascular Medicine
Toggle Dropdown
Areas of Expertise
Newsletter
Faculty and Staff
Fellowship
Advanced Cardiovascular Fellowships
The Gill Heart and Vascular Institute
Research
The Gill Awards
Travel and Leadership Support Funds Applications
Visiting Scholar Program
Digestive Diseases and Nutrition
Toggle Dropdown
About Us
Faculty and Staff
Fellowship Information
Research
Contact Us
Gut Club
Endocrinology, Diabetes, and Metabolism
Toggle Dropdown
Clinical Care
Faculty and Staff
Fellowship
Research
Barnstable Brown Diabetes and Obesity Center
General Internal Medicine
Toggle Dropdown
Contact Us
Clinical Services
Faculty and Staff
Research
Hematology, Blood and Marrow Transplantation
Toggle Dropdown
About Us
Faculty and Staff
Clinical Care
Fellowship
Research
Hospital Medicine
Toggle Dropdown
About Us
Clinical Care
Education
Division Leadership
Faculty and Staff
Fellowship
Infectious Diseases
Toggle Dropdown
Contact Us
Clinical Care
Faculty and Staff
Fellowship
Research
Kentucky AIDS Education and Training Center
Bluegrass Care Clinic COVID-19 Information for Patients
Bluegrass Care Clinic Monkeypox Information for Patients
Medical Oncology
Toggle Dropdown
About Us
Clinical Care
Faculty and Staff
Research
Markey Cancer Center
Fellowship
Nephrology, Bone, and Mineral Metabolism
Toggle Dropdown
Faculty and Staff
NEPHINAR Series
Fellowship
Clinical Care
Research
Bone Diagnostic and Research Laboratory
Palliative and Supportive Care
Pulmonary, Critical Care, and Sleep Medicine
Toggle Dropdown
Clinical Care
Contact Us
Faculty and Staff
Fellowship
Research
Rheumatology
Toggle Dropdown
Fellowship
Research
Faculty and Staff
Clinical Care
Contact Us
Women's Health
Fellowships
Toggle Dropdown
Cardiovascular Fellowship
Toggle Dropdown
Program Welcome
About Us
Prospective Fellows
Current Fellows
Program Leadership
Faculty
Alumni
Advanced Cardiovascular Fellowships
Toggle Dropdown
Advanced Cardiovascular Imaging Fellowship
Advanced Heart Failure and Cardiac Transplant Fellowship
Electrophysiology Fellowship
Interventional Cardiology Fellowship
Gastroenterology Fellowship
Toggle Dropdown
Gastroenterology Fellowship Faculty
How to Apply
Current Fellows
Hepatology Fellowship
Toggle Dropdown
How to Apply
Current Trainees
Advanced Endoscopy Fellowship
Toggle Dropdown
Current Fellows
Endocrinology, Diabetes, and Metabolism Fellowship
Toggle Dropdown
Current Fellows
How to Apply
Hematology and Oncology Fellowship
Toggle Dropdown
Curriculum
Program Directors Message
How to Apply
Clinical Faculty
Current Fellows
Hospital Medicine Fellowship
Toggle Dropdown
Fellowship Faculty
Hospice and Palliative Medicine
Toggle Dropdown
Program Overview
About UK and Lexington
Current Fellows
Our Faculty
Former Fellows
Contact Us
Infectious Disease Fellowship
Toggle Dropdown
How to Apply
Curriculum
Lexington
Current Fellows
Faculty and Staff
Medical Oncology Fellowship
Nephrology Fellowship
Toggle Dropdown
Prospective Fellows
How to Apply
Curriculum
Facilities and Capabilities
Fellowship Tracks
Current Fellows
Faculty
Graduates
Who We Are
Categorical Nephrology
Nephrology and Critical Care
Nephrology and Hospital Medicine
Nephrology and Internal Medicine
Pulmonary and Critical Care Medicine Fellowship
Toggle Dropdown
Program Leaders and Core Faculty
Our Faculty and Staff
Rotations
Didactics and Training
Our Fellows
Fellowship Tracks
How to Apply
Social Media
About Lexington and UK
Rheumatology Fellowship
Toggle Dropdown
Potential Applicants
Curriculum
Facilities and Resources
Current Fellows
Lexington Living
Transplant Hepatology Fellowship
Toggle Dropdown
Faculty
Curriculum
How to Apply
Residency Programs
Toggle Dropdown
Categorical
Toggle Dropdown
Applicants
Program Leadership
Chief Residents
Program Information
Current Residents
Med/Peds
Toggle Dropdown
Education
Continuity Clinic
Information for Applicants
Facilities
Med-Peds Residents
Medical Students
Faculty
About Lexington, KY
Graduates
Medicine-Psychiatry
Toggle Dropdown
Addiction Medicine Fellowship
Primary Care Program
IM Nephrology Track
Clinical Services
Research
Toggle Dropdown
Allergy and Immunology
Cardiovascular
Digestive Health and Nutrition
Endocrinology, Diabetes, and Metabolism
General Internal Medicine
Hematology and Blood and Marrow Transplant
Infectious Disease
Medical Oncology
Nephrology, Bone, and Mineral Metabolism
Pulmonary, Critical Care, and Sleep Medicine
Rheumatology
Events
Toggle Dropdown
Employee Engagement
Grand Rounds
Toggle Dropdown
Streaming Live
Claim Credit
Past Recordings
Faculty Development
Toggle Dropdown
Academy of Medical Educators
IM Educator Pathway Program
Our People
Jonathan Barko, MD
Internal Medicine
People
Jonathan Barko, MD
Positions
GME Resident
College Unit(s)
Internal Medicine
Other Affiliation(s)
Medicine/Pediatric Residents
Biography and Education
Summary:
Current Year:
PGY-4
