About Our Pulmonary and Critical Care Fellows
The Ohio State Division of Pulmonary, Critical Care and Sleep Medicine is committed to training the next generation of clinicians and investigators. We offer several fellowship programs that help students strengthen their knowledge and clinical skills.
Pulmonary Critical Care Fellows
Fourth year fellow
Michelle Gillespie, MD
Hometown: Needham, MA
Undergraduate: College of William and Mary
Medical School: University of Massachusetts
Residency: The Ohio State University and Nationwide Children's Hospital
About me: I am doing a combined fellowship in adult pulmonary/critical care and pediatric pulmonary medicine. My clinical and research interests are in transitions of care from pediatric to adult medicine, including pulmonary complications of sickle cell disease, cystic fibrosis, lung transplant, and rare lung diseases. I am also passionate about critical care medicine, medical education, and physician wellness. Outside of work, I enjoy playing soccer, running, baking, needlepointing, watching Disney movies, using tiny spoons to eat ice cream, reading, and supporting Boston sports teams - go Pats!
Third year fellows
Tyler Haddad, DO
Hometown: Longmeadow, MA
Undergraduate: Wake Forest University
Medical School: University of New England
Residency: The Ohio State University
About me: My research and clinical interests include pulmonary toxicities of cancer treatments, hyperoxia in the intensive care unit, interstitial lung disease, and global health. I am an avid traveler and has enjoyed time in over 20 countries. I love exploring new places and foods with my wife, sailing, hiking, live music, and Boston sports teams.
Michael Koenig, MD
Hometown: Charlottesville, VA
Undergraduate: University of Virginia
Medical School: University of Kentucky
Residency: Vanderbilt University
About me: I have played the drums since I was five years old and in college I was a member of the Percussion Ensemble, Wind Ensemble, and University of Virginia Drumline, where I was Quad Section Leader. Before I graduated from college, my parents moved to Morehead, Kentucky, where they currently reside. I attended the University of Kentucky College of Medicine where I realized a lifelong dream of working with and being taught by my father, a Pulmonary and Critical Care physician. I moved to Nashville, Tennessee, to complete a residency in Internal Medicine at Vanderbilt University. While a resident, I performed a secondary analysis of The Isotonic Solutions and Major Adverse Renal Events Trial, which compared Lactated Ringer’s versus saline among critically ill adults with cirrhosis. My other interests include playing tennis, golf, UVA basketball and traveling. I am excited to start fellowship training and get to know Ohio State and the city of Columbus better.
Patrick Kramer, MD
Hometown: Akron, OH
Undergraduate: University of Notre Dame
Medical School: Loyola University Chicago
Residency: Case Western Reserve University
About me: I have spent time as an academic hospitalist at the Cleveland VA Medical Center and previously completed a Fulbright research grant in Singapore. Career interests include diagnostic reasoning, sarcoidosis, and adult learning strategies within medical education. I love cheering on the Buckeyes, and I also enjoy brewing coffee and playing disc golf. You can find me exploring the outdoors or findings new restaurants with my wife in my free time.
Ayal Levi, MD
Hometown: Victoria, BC, Canada
Undergraduate: University of Victoria
Medical School: Ben-Gurion University, Israel
Residency: National Jewish-Saint Joseph Hospital, Denver
About me: My clinical interests are in ARDs, hypoxia-induced lung injury, and outpatient monitoring with biosensors. I am also passionate about education (not only my own). When not in the hospital, I love spending time with my wife, two children, and occasionally lifting a weight or two.
Sarah MacDowell, MD
Hometown: Cincinnati, OH
Undergraduate: Knox College
Medical School: George Washington University
Residency: The Ohio State University and Nationwide Children's Hospital
About me: From a medical education perspective, I am interested in curriculum development, assessment methods, and learning technology. From a clinical and research perspective I am interested in caregiver burden, post-ICU care, respiratory failure in neuromuscular conditions, and transitions of care from pediatric to adult care. Outside of work I enjoy exploring the Columbus park system with my husband and our dog Wanda, swimming, making coffee, and going to breweries.
Nate Nesbitt, MD
Hometown: Phoenix, Arizona
Undergraduate: University of Arizona
Medical School: The Ohio State University
Residency: Mayo Clinic, Rochester, MN
About me: My medical interests include critical care, mechanical ventilation, medical education, and optimizing both physical and psychological outcomes in the ICU. Outside of medicine my interests include spending time with my partner, exercising, reading, and traveling.
Andrew Wodarcyk, MD
Hometown: Columbus, OH
Undergraduate: The Ohio State University
Medical School: University of Toledo
Residency: The Ohio State University
About me: My clinical research interests include vasculitis, pulmonary hypertension, and prediction and prevention of post-intensive care syndromes. When not at work, I enjoy weightlifting, running, golf, crosswords, DIY home projects and spending time with my dog, Eddie, and my expanding family.
Second year fellows
Austin Herbst, MD
Hometown: Easley, South Carolina
Undergraduate: Clemson University
Medical School: Harvard Medical School
Residency: Beth Israel Deaconess Medical Center
About me: I enjoy running, playing and watching basketball (including supporting the San Antonio Spurs), and spending time with my wife and cat in my free time.
Katie Adib, MD
Hometown: Dayton, Ohio
Undergraduate: The Ohio State University
Medical School: Wright State University, Boonshoft School of Medicine
Residency: The Ohio State University
About me: My clinical interests are pulmonary hypertension, ILD, and sarcoid and I am excited to get to get experience in all these areas during fellowship. I also have a passion for medical education and DEI implementing new simulation sessions and further developing the IM residency DEI curriculum. In my free time, I enjoy going on long walks with the cutest pup ever, Charlie, long bike rides to farmers markets, and going to new restaurants and breweries around town. I am also is an avid music lover and frequent the concert scene in Columbus and surrounding cities.
Sydney Higgins, MD
Hometown: Alliance, Ohio
Undergraduate: University of Toledo
Medical School: Ohio University Heritage College of Osteopathic Medicine
Residency: University of Cincinnati
About me: My clinical interests include critical care medicine, COPD, lung cancer and lung volume reduction. When I am not at work, I enjoy spending time with my husband and daughter. We are avid college football fans and playground explorers
Lauren Hipp, MD
Hometown: Overland Park, KS
Undergraduate: University of Kansas
Medical School: University of Kansas School of Medicine
Residency: Medical College of Wisconsin Affiliated Hospitals
About me: My clinical interests include septic shock, ARDS and ventilator management. In my spare time I enjoy reading, traveling, and piloting small boats.
Michelle Ploch, MD
Hometown: Caracas, Venezuela and Orlando, FL
Undergraduate: Johns Hopkins University
Medical School: University of Cincinnati
Residency: University of Texas, Houston
About me: My research and clinical interests include social determinants of health outcomes in the intensive care unit and pulmonary hypertension. My hobbies include reading, cooking, cycling and taking care of my many plants.
Stephan Reyes, MD
Hometown: Columbus, OH
Undergraduate: The Ohio State University
Medical School: University of Cincinnati
Residency: University of Texas, Houston
Fellowship in sleep medicine: University of Texas, Houston
About me: My clinical interests include critical care, mechanical ventilation, and sleep medicine. Outside of work, I enjoy discovering new restaurants, college football, spending time with my wife and cats, and hiking.
Alexandra Wichmann, MD
Hometown: Houston, TX and Chicago, IL
Undergraduate: Rice University
Medical School: Texas Tech University
Residency: Texas Tech University
About me: My professional interests focus on describing and alleviating suffering in respiratory failure as well as medical education. Outside of the hospital, I am an avid cook and I enjoy indulging my dog in extra cuddle time
First year fellows
Matthew Barraza
Hometown: Alameda, CA
Undergraduate: UC Davis
Medical School: Tulane School of Medicine
Residency: The Ohio State University
About me: My interests include critical care medicine, pulmonary hypertension, POCUS, and medical education. I completed combined Emergency Medicine/Internal Medicine Residency at OSU and am now lucky enough to be staying at OSU for PCCM Fellowship! In my free time I enjoy weightlifting, volleyball, video games, and binge-watching shows with my boyfriend.
Christine Doherty
Hometown: Duxbury, MA
Undergraduate: University of Connecticut
Medical School: Cleveland Clinic Lerner College of Medicine of Case Western
Residency: Yale New Haven Hospital
About me: I am passionate about providing patient-centered care. Although my research interests have evolved over time, I have always been interested in projects focused on patient quality of life. During medical school, I developed a personalized risk prediction tool to determine which patients will develop new or worsening depression following temporal lobe epilepsy surgery, which is used to counsel pre-operative patients. Currently, I am most interested in the intersection of pulmonary-critical and palliative care and developing interventions to minimize suffering for our patients and their families. I am also passionate about supporting and advocating for women in medicine. In my free time, I love arts and crafts, yoga, sleeping in, and spending time with friends and family.
Angela Grassi
Hometown: Oceanside, NY
Undergraduate: Muhlenberg College
Medical School: Jacobs School of Medicine and Biomedical Sciences (SUNY Buffalo)
Residency: Mayo Clinic
About me: I attended medical school in Buffalo, NY (Go Bills!) where I met my fiancé Jess, and then moved to Minnesota for residency. I am interested in both medical education and public health research focused on eliminating social determinants of health and health disparities. Outside of work, I enjoy watching RuPaul’s Drag Race, hiking, skiing, and playing video games with Jess and our dog Penny.
Meghana Moodabagil
Hometown: Lake Forest, IL
Undergraduate: University of Illinois Urbana-Champaign
Medical School: Chicago Medical School at Rosaline Franklin University
Residency: The Ohio State University
About me: My clinical interests include emergency and critical care medicine. My other involvements are within research and leadership education in academic medicine. When I am not at work, I love to spend as much time with my husband, our daughter, and our two dogs.
Karan Rai
Hometown: Columbus, OH
Undergraduate: The Ohio State University
Medical School: Geisel School of Medicine at Dartmouth
Residency: University of Colorado
About me: My clinical interests are in critical care medicine, including resuscitation, shock, and mechanical ventilation. My non-clinical interests include health services research, quality improvement, and healthcare delivery innovation. When not at work, I enjoy spending time with my wife traveling and exploring local restaurants, hiking, and watching football.
Laura Saldivar
Hometown: Bellbrook, OH
Undergraduate: The Ohio State University
Medical School: The Ohio State University
Residency: University of Rochester Medical Center
About me: My clinical interests include Cystic Fibrosis, Pulmonary Hypertension, and Bioethics. With my Internal Medicine-Pediatrics background, I am hoping to pursue some combination of these interests in the future. When I am not at work, I enjoy swimming, shopping (especially at Target), and spending time with my husband, Daniel.
Shilpa Sridhar
Hometown: Buffalo, NY
Undergraduate: Duke University
Medical School: The Ohio State University
Residency: The Ohio State University/Nationwide Children’s Hospital
About me: Within medicine my interests include asthma, pulmonary vasculitis, and
critical care medicine. My other passions include global health and medical education,
and finding ways to fuse together. Outside of work I love spending time with my
husband, drinking a good cup of tea, being outdoors, and exploring new restaurants
around Columbus!
Alexander Wong
Hometown: Cincinnati, OH
Undergraduate: Xavier University
Medical School: The Ohio State University
Residency: The Ohio State University
About me: My clinical interests include critical care medicine, interstitial lung disease, and pulmonary hypertension. I am also passionate about medical education and have an interest in curricular development as well as simulation training. In my free time, I enjoy spending time with my dog, playing golf, exploring the vast Columbus food scene, and playing board games.
Sleep Medicine Fellows
Margarita Saludes, MD
Hometown: Wheeling, WV
Undergraduate: University of California, San Diego
Medical School: Saba University School of Medicine
Residency: The Jewish Hospital-Mercy Health
About me: I completed my internal medicine residency in Cincinnati and am excited to
be doing my sleep medicine fellowship at OSU. My clinical interests include sleep disordered breathing, advancements in sleep medicine technology, and helping patients improve their relationship with sleep. Outside of work, I love spending time outdoors with my golden retriever, Mason, exploring the best hiking trails in the city. I also enjoy hot yoga and discovering new restaurants around town.
Gabriel Sraha, MD
Hometown: Baldwin, NY by way of Ghana
Undergraduate: Syracuse University
Medical School: The Ohio State University College of Medicine
Residency: Saint Josephs Medical Center
About me: I have a background in Family Medicine with a clinical interest Obesity and its impact on sleep related disorders. When I am not working, I am playing recreational league soccer or spending time with family
Lung Transplant Fellows
Kashika Goyal, MD
2024 (F1)
Hometown: Columbus, OH
Medical School: The Ohio State University Wexner Medical Center, Columbus, OH
Residency: Beth Israel Deaconess Medical Center, Boston, MA
Other Fellowships: Pulmonary, Critical Care – The Ohio State University Wexner Medical Center, Columbus, OH
Interventional Pulmonary Fellow
Bradley Petkovich, MD
Hometown: Mtn. Home, AR
Undergraduate: Rhodes College
Medical School: University of Arkansas for Medical Sciences
Residency: University of Rochester/Strong Memorial Hospital
Fellowship: Medical University of South Carolina