About Our Residents
The Ohio State University’s Department of Radiology offers a dynamic learning environment for its residents. Each residency program emphasizes advanced knowledge through research, an integral part of the mission of the College of Medicine. Residents in the Department of Radiology are provided with the fundamental tools needed to create a well-rounded educational experience in radiology.
Diagnostic Radiology Residents - Year 1

Akhil Dhamija, MD
Hometown: Cincinnati, OH
MD: The University of Toledo College of Medicine and Life Sciences
Hobbies: Board games, fitness, dance, video games
MD: The University of Toledo College of Medicine and Life Sciences
Hobbies: Board games, fitness, dance, video games

Ayanna Jacobs, MD
Hometown: Maui, HI
MD: Columbia University Vagelos College of Physicians & Surgeons
Hobbies: Reading, running, swimming, horseback riding, exploring new restaurants, the beach
MD: Columbia University Vagelos College of Physicians & Surgeons
Hobbies: Reading, running, swimming, horseback riding, exploring new restaurants, the beach

Candise Johnson, MD
Hometown: Forest, MS
MD: University of Mississippi School of Medicine
Hobbies: Spending time with family/friends, hosting, playing board games, kayaking, going on road trips
MD: University of Mississippi School of Medicine
Hobbies: Spending time with family/friends, hosting, playing board games, kayaking, going on road trips

James Herpy, MD
Hometown: Athens, OH
MD: Boston University School of Medicine
Hobbies: Karaoke, Film photography, Golf, Movies, Games (tennis, pickleball, euchre, dice)
MD: Boston University School of Medicine
Hobbies: Karaoke, Film photography, Golf, Movies, Games (tennis, pickleball, euchre, dice)

Kelvin Wong, MD
Hometown: Chicago, IL
MD: The Ohio State University College of Medicine
Hobbies: Video games, basketball, biking, computer programming
MD: The Ohio State University College of Medicine
Hobbies: Video games, basketball, biking, computer programming

Robert Tanner Zaas, MD
Hometown: Powell, OH
MD: Case Western Reserve University School of Medicine
Hobbies: Golf, baseball, hiking, reading
MD: Case Western Reserve University School of Medicine
Hobbies: Golf, baseball, hiking, reading

Sean Ryan, MD
Hometown: Raleigh, NC
MD: University of Cincinnati College of Medicine
Hobbies: Cooking, weight-lifting, art, manga/anime, and hiking
MD: University of Cincinnati College of Medicine
Hobbies: Cooking, weight-lifting, art, manga/anime, and hiking

Umang Khandpur, MD
Hometown: Louisville, KY
MD: The Ohio State University College of Medicine
Hobbies: Music composition & production, financial equities analysis and investment, home improvement projects, basketball, tennis, cuisine exploration
MD: The Ohio State University College of Medicine
Hobbies: Music composition & production, financial equities analysis and investment, home improvement projects, basketball, tennis, cuisine exploration
Diagnostic Radiology Residents - Year 2

Linda Cai, MD
Hometown: Cleveland, OH
MD: The University of Toledo College of Medicine and Life Sciences
Hobbies: Spending time with family and friends, Listening to podcasts, Eating at new restaurants, Playing games or watching TV shows with my husband
MD: The University of Toledo College of Medicine and Life Sciences
Hobbies: Spending time with family and friends, Listening to podcasts, Eating at new restaurants, Playing games or watching TV shows with my husband

Allison Dunn, MD
Hometown: Lancaster, OH
MD: The University of Toledo College of Medicine and Life Sciences
Hobbies: Volleyball, gardening, crafting, board games
MD: The University of Toledo College of Medicine and Life Sciences
Hobbies: Volleyball, gardening, crafting, board games

Cynthia Ha, DO
Hometown: Cerritos, CA
MD: Lake Erie College of Osteopathic Medicine
Hobbies: Aerial yoga, Playing with my dog, Going to Trader Joes, Trying new food and drink recommendations, Reading, Traveling, Swimming, Karaoke, Ukulele, VR gaming
MD: Lake Erie College of Osteopathic Medicine
Hobbies: Aerial yoga, Playing with my dog, Going to Trader Joes, Trying new food and drink recommendations, Reading, Traveling, Swimming, Karaoke, Ukulele, VR gaming

Jennifer Rath, MD
Hometown: Hamlin, NY
MD: Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo
Hobbies: Learning to fly, Equestrian, Peloton, Boating, Trying new food and restaurants, Music concerts
MD: Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo
Hobbies: Learning to fly, Equestrian, Peloton, Boating, Trying new food and restaurants, Music concerts

Ashley Schlaepfer, MD
Hometown: Omaha, NE
MD: University of Miami Leonard M. Miller School of Medicine
Hobbies: Cooking, Gardening, Exercise, Knitting and crocheting, Board games
MD: University of Miami Leonard M. Miller School of Medicine
Hobbies: Cooking, Gardening, Exercise, Knitting and crocheting, Board games

David Schmitz, MD
Hometown: Terre Haute, IN
MD: Indiana University School of Medicine
Hobbies: Fitness, Music, Outdoors, Computers, Science
MD: Indiana University School of Medicine
Hobbies: Fitness, Music, Outdoors, Computers, Science

Bryan Wang, MD
Hometown: Columbus, OH
MD: Ohio State University College of Medicine
Hobbies: Playing/watching tennis, Video games, Movies, Cooking shows
MD: Ohio State University College of Medicine
Hobbies: Playing/watching tennis, Video games, Movies, Cooking shows
Diagnostic Radiology Residents - Year 3

Valerie George, MD
Junior Chief Resident
Hometown: Marietta, OH
MD: Wake Forest School of Medicine
Hobbies: Fiction Writing, Illustrating/Visual Arts, Cooking
MD: Wake Forest School of Medicine
Hobbies: Fiction Writing, Illustrating/Visual Arts, Cooking

Abdullahi Jama, MD
Hometown: Toronto, Canada
MD: The Ohio State University College of Medicine
Hobbies: Playing Basketball, Reading History Books, Learning Languages
MD: The Ohio State University College of Medicine
Hobbies: Playing Basketball, Reading History Books, Learning Languages

Christopher Kanner, MD
Junior Chief Resident
Hometown: Dublin, OH
MD: University of Cincinnati College of Medicine
Hobbies: Building Computers, Video Games, Sports Car Racing
MD: University of Cincinnati College of Medicine
Hobbies: Building Computers, Video Games, Sports Car Racing

Evan Rush, MD
Hometown: Bloomfield, IN
MD: Indiana University School of Medicine
Hobbies: Weight Lifting, Hiking, Wood Working, Taking Pictures
MD: Indiana University School of Medicine
Hobbies: Weight Lifting, Hiking, Wood Working, Taking Pictures

Vincent Vetrano, MD
Hometown: Knoxville, TN
MD: University of Tennessee Health Science Center
Hobbies: Travel, Trying New Foods, Spending Time with Family, Watching College Football, Craft Beer
MD: University of Tennessee Health Science Center
Hobbies: Travel, Trying New Foods, Spending Time with Family, Watching College Football, Craft Beer
Diagnostic Radiology Residents - Year 4

Elizabeth von Ende, DO
Hometown: Leawood, Kansas
MD: Kansas City University of Medicine and Biosciences
Hobbies: Playing Basketball, Working out, and Traveling
MD: Kansas City University of Medicine and Biosciences
Hobbies: Playing Basketball, Working out, and Traveling

Mohammed Ismail, DO
Senior Chief Resident
Hometown: Tampa, FL
MD: University of Pikeville - Kentucky College of Osteopathic Medicine
Hobbies: Basketball, Football, Cooking, Spending Time with Family
MD: University of Pikeville - Kentucky College of Osteopathic Medicine
Hobbies: Basketball, Football, Cooking, Spending Time with Family

Ian Klonk, MD
Hometown: Akron, OH
MD: NEOMED
Hobbies: Hiking, Cooking, Video Games, and Volleyball
MD: NEOMED
Hobbies: Hiking, Cooking, Video Games, and Volleyball

Shahmeer Lateef, MD
Hometown: Durham, NC
MD: University of North Carolina School of Medicine
Hobbies: Traveling, Sports, Music, and Spending time with family
MD: University of North Carolina School of Medicine
Hobbies: Traveling, Sports, Music, and Spending time with family

Michael Nicksic, MD
Hometown: Hebron, IN
MD: University of Louisville School of Medicine
Hobbies: International travel, Outdoor Sports such as Tennis, Golf, or Beach Volleyball, Trying Out New Restaurants/Breweries, Spending Time with Family, and Boating
MD: University of Louisville School of Medicine
Hobbies: International travel, Outdoor Sports such as Tennis, Golf, or Beach Volleyball, Trying Out New Restaurants/Breweries, Spending Time with Family, and Boating

Lindsey Pelissier, MD
Hometown: Los Angeles, CA
MD: University of Michigan Medical School
Hobbies: Dancing, Scuba diving, Flying, Spending time with family
MD: University of Michigan Medical School
Hobbies: Dancing, Scuba diving, Flying, Spending time with family

Luke Tilmans, MD
Hometown: Indianapolis, IN
MD: Indiana University School of Medicine
Hobbies: Road and Mountain Biking, National Parks, Football, Sneakers, Cars, and Auto Racing
MD: Indiana University School of Medicine
Hobbies: Road and Mountain Biking, National Parks, Football, Sneakers, Cars, and Auto Racing
Interventional Radiology Residents

Olivia Antonescu, MD
Resident Year 1
Hometown: North Olmsted, OH
MD: Northeast Ohio Medical University
Hobbies: Tennis, skiing, rock-climbing, traveling, swimming
MD: Northeast Ohio Medical University
Hobbies: Tennis, skiing, rock-climbing, traveling, swimming

Omar Mohamed, MD
Resident Year 1
Hometown: Columbus, OH
MD: Northeast Ohio Medical University
Hobbies: Biking, traveling, catching up on the latest video games
MD: Northeast Ohio Medical University
Hobbies: Biking, traveling, catching up on the latest video games

Dane McLoughlin, DO
Resident Year 2
Hometown: Westerville, OH
MD: Ohio University Heritage College of Osteopathic Medicine
Hobbies: Basketball, Golf, OSU football and basketball, Spending time with family and friends
MD: Ohio University Heritage College of Osteopathic Medicine
Hobbies: Basketball, Golf, OSU football and basketball, Spending time with family and friends

Matthew Roth, MD
Resident Year 2
Hometown: Bloomfield Hills, MI
MD: Michigan State University College of Human Medicine - Grand Rapids
Hobbies: Books, Music, Outdoor sports – Biking, Snowboarding, Hiking, Tennis, Golf
MD: Michigan State University College of Human Medicine - Grand Rapids
Hobbies: Books, Music, Outdoor sports – Biking, Snowboarding, Hiking, Tennis, Golf

Aaron Chafitz, MD
Resident Year 3
Hometown: Boston, MA
MD: The Ohio State University College of Medicine
Hobbies: Film, Reading, Basketball and Football, Personal Fitness/ Nutrition, Gaming
MD: The Ohio State University College of Medicine
Hobbies: Film, Reading, Basketball and Football, Personal Fitness/ Nutrition, Gaming

Amir Olfat, DO
Resident Year 3
Hometown: San Mateo, CA
MD: Touro College of Osteopathic Medicine - Middletown United States
Hobbies: Film Enthusiast, Biking, Music, Traveling and Dogs
MD: Touro College of Osteopathic Medicine - Middletown United States
Hobbies: Film Enthusiast, Biking, Music, Traveling and Dogs

Krystle Garcia Fraley, DO
Resident Year 4 - Junior Chief Resident
Hometown: Westwood, NJ
MD: Touro College of Osteopathic Medicine
Hobbies: Travel, Yoga, Watching sunsets, gardening, Cooking, Enjoying time with family and friends
MD: Touro College of Osteopathic Medicine
Hobbies: Travel, Yoga, Watching sunsets, gardening, Cooking, Enjoying time with family and friends

Chelsea Steffens, MD
Resident Year 4
Hometown: Troy, MI
MD: Chicago Medical School at Rosalind Franklin University of Medicine and Science
Hobbies: Running, Netflix, Sporting events, Traveling, Euchre, Jumbo Jenga, Corn Hole, any and all games with my family and friends
MD: Chicago Medical School at Rosalind Franklin University of Medicine and Science
Hobbies: Running, Netflix, Sporting events, Traveling, Euchre, Jumbo Jenga, Corn Hole, any and all games with my family and friends

Andrew McNair, MD
Resident Year 5
Hometown: Chattanooga, TN
MD: University of Tennessee Health Science Center College of Medicine
Hobbies: Golf, Sand volleyball, Disc golf, Watching sports, Movies, Craft beer
MD: University of Tennessee Health Science Center College of Medicine
Hobbies: Golf, Sand volleyball, Disc golf, Watching sports, Movies, Craft beer

Ashley Sweeney, MD
Resident Year 5 - Senior Chief Resident
Hometown: Shawnee, KS
MD: University of Missouri- Colombia School of Medicine
Hobbies: Golfing, Traveling, Watching movies, Trying new restaurants, Playing board games
MD: University of Missouri- Colombia School of Medicine
Hobbies: Golfing, Traveling, Watching movies, Trying new restaurants, Playing board games
Helpful Links
- Radiology Residency Programs
- Give to the Department
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Contact
Department of Radiology
Room 460
395 W. 12th Avenue
Columbus, OH 43210Phone: 614-293-8315
Fax: 614-293-6935Schedule an appointment: 614-293-4333