Meet Our Residents
Interns/PGY-1’s
Ajit Elhance, M.D.
Medical School: OHSU
Anastasiia Karadzha, M.D. – OSP Clinician Scientist Program
Medical School: Odessa National Medical University
Andi Chaloult, M.D.
Medical School: OHSU
Annelisse Montes, M.D.
Medical School: Stanford University School of Medicine
Brooke Frankauer, M.D., Ph.D.
Medical School: Westfälische Wilhelms-Universität Medizinische Fakultät
Caitlyn Wong, M.D.
Medical School: OHSU
Chanya Elkins, M.D. – OSP Critical Care Program
Medical School: Tufts University School of Medicine
Chia Chen, M.D.
Medical School: Washington University School of Medicine
Debbie Kim, M.D.
Medical School: OHSU
Ethan Levitch, M.D. – OSP Critical Care Program
Medical School: University of Queensland - Ochsner Health
Joe Hsieh, M.D.
Medical School: University of Colorado School of Medicine - Denver
Julia DiSpirito, M.D.
Medical School: Albany Medical College of Union University
Kari Van Mols, M.D.
Medical School: OHSU
Hobbies: spending time with my dog, weightlifting, psychoanalyzing love island with friends
Tom Martinson, M.D.
Medical School: OHSU
CA-1's
Alex Tomlinson, M.D. – OSP Critical Care Program
Medical School: OHSU
Allen Lavina, M.D
Medical School: St. George’s University
Undergraduate: Florida State University
Hobbies: Surfing, snowboarding, playing acoustic guitar & ukulele. I also love standup comedy and physical fitness.
Bella Bourn, M.D.
Medical School: Loma Linda University School of Medicine
Undergraduate: California Baptist University
Hobbies: Hiking, camping, paddleboarding, and playing pickleball!
Cassandra Black, M.D.
Medical School: Washington State University Elson S Floyd College of Medicine
Craig Yamaguchi, D.O.
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
Undergraduate: California Lutheran University
Hobbies: Surfing, paddle boarding, chess, escape rooms, working out, traveling, baseball, basketball, football, and shrimp trucks.
Dominic Thomas, M.D.
Medical School: JC Edwards School of Medicine, Marshall University
Jaime Contreras, M.D.
Medical School: University of Arizona College of Medicine
Undergraduate: University of Southern California
Hobbies: I enjoy playing intramural sports and golfing with friends. I played soccer and basketball in medical school and am always down for a pick-up game or a golf outing. I also love to hike and surf. I'm a beach boy at heart and Portland has some truly amazing hikes! Lastly, I enjoy just kicking back with friends, trying new places to eat, exploring new breweries, and playing board games with the homies.
James Ling, M.D.
Medical School: Oregon Health & Science University
Undergraduate: Portland State University
Hobbies: A lifelong Oregonian, I enjoy taking advantage of everything the Pacific Northwest has to offer through camping, paddle boarding, and exploring the outdoors with my German Shepherd, Kai. When I am not outside, you can usually find me restoring furniture, searching for hidden gems on Facebook Marketplace, lifting weights, or working on a new project at home.
Micaila Spisak, M.D.
Medical School: Temple University School of Medicine
Mrinal Thapliyal, M.D.
Medical School: OHSU
Undergraduate: Oregon State University
Hobbies: Football, basketball, hiking, Formula 1, trying new restaurants in Portland, watching TV shows/movies.
Nicholas Maier, D.O.
Medical School: Rocky Vista University College of Osteopathic Medicine
Pavithra Rao, M.D.
Medical School: OHSU
Undergraduate: University of Washington
Hobbies: In my spare time, I enjoy running, hiking, weightlifting, and traveling. I had an amazing time running the Portland Marathon recently. I love exploring the beautiful trails in the Pacific Northwest and spending time in nature with my dog, Hermes. I am constantly planning trips and look forward to going on adventures in new places.
Reanna Dona-Termine, M.D. - OSP Clinician Scientist Program
Medical School: Albert Einstein College of Medicine
Undergraduate: Ohio State University
Hobbies: Swimming, running, hiking, fishing, berry picking, traveling--especially to Hawaii, hanging with my family.
Sam Halladin, M.D.
Medical School: Oregon Health & Science University
Hobbies: Baking and cooking, Olympic weightlifting, crochet, gardening, and taking my dog and kiddo for walks around our neighborhood. My family and I are always looking for new pdx restaurants to try. I also love watching TV, some of my husband and I's favorites are The Challenge and Great British Bake Off.
Todd Hinsch, D.O. - OSP Critical Care Program
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
Tyler Henry, M.D.
Medical School: OHSU
Hobbies: Being from Oregon, I never get tired of enjoying the lakes, rivers, forests and mountains of the PNW. If not dragging my three children on a hike (or a road trip), then you'll most likely find me trying to catch up on playing acoustic guitar, buying more books than I can read , cooking, or playing sports with my kiddos.
CA-2's
Aaron Williamson, D.O.
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
Alexandra Johnson, M.D.
Medical School: University of Minnesota Medical School
Andrew Molitor, M.D.
Medical School: OHSU
Undergraduate: Oregon State University
Hobbies: Biking, skiing, hiking, cooking, hanging out with my partner and cats, tinkering with my motorcycle and car, traveling, exploring new restaurants and bars in Portland.
Antoinette Montelibano, M.D.
Medical School: University of Pittsburgh School of Medicine
Ashley Hughes, M.D.
Medical School: Wright State University Boonshoft School of Medicine
Ashley King, D.O.
Medical School: Pacific Northwest University of Health Sciences College of Osteopathic Medicine
Hobbies: Having grown up in the Pacific Northwest, I'm incredibly grateful to be back home completing my anesthesia residency at OHSU. Outside the hospital, my husband and I love spending time with our two fur babies, planning our next scuba adventure, and daydreaming about owning our first airplane.
Avni Founds, M.D.
Medical School: UC Davis School of Medicine
Bailey Reynolds, M.D.
Medical School: OHSU
Undergraduate: Oregon State University
Hobbies: Painting, photography, hanging out with my cats.
Eric Fellin, M.D. - OSP Critical Care Program
Medical School: OHSU
Undergraduate: Marquette University
Hobbies: I enjoy taking advantage of the PNW's wonderful resources by camping, rock climbing, and hiking. When I'm in town I also enjoy lifting weights, watching movies, and trying as many new restaurants as I can.
Eric Torres Rivera, M.D.
Medical School: San Juan Bautistia School of Medicine
Fabio Rodriguez-Patarroyo, M.D. - OSP Clinician Scientist Program
Medical School: Universidad del Tolima Facultad de Ciencias de la Salud
Jacob Gomez, M.D.
Medical School: University of Southern California Keck School of Medicine
Jesse Tonkinson, M.D.
Medical School: University of Washington School of Medicine
Undergraduate: George Fox University
Hobbies: Just your friendly neighborhood Cat3 road cyclist & former OBRA racer. I enjoy chasing my two kiddos around the PNW and exploring all of PDX's wonderful public parks. I also enjoy backpacking, hiking, tennis, golfing and being a home barista (tell me your coffee order and I can make it).
Luiza Bosch, M.D. - OSP Critical Care Program
Medical School: University of Washington School of Medicine
Manrit Gill, M.D.
Medical School: University of Arizona College of Medicine
Tori Klinewski, M.D.
Medical School: Medical College of Wisconsin
Undergraduate: Lafayette College
Hobbies: Baking various sweet treats, cooking, reading sappy romance novels, chasing my daughter around the yard, and watching all together too much TV.
CA-3's
Abby Velarde, M.D.
Medical School: Washington State University Elson S. Floyd College of Medicine
Undergraduate: Boise State University
Hobbies: Spending time with my daughter and husband; hiking, swimming, fishing! Yoga and running when I can!
Abigail Cantwell, M.D.
Medical School: University of Arizona College of Medicine – Phoenix
Undergraduate: Tulane University
Hobbies: I love skiing in the winter, exploring new restaurants around Portland, and practicing yoga to stay grounded. At home, I enjoy cooking my way through Ina Garten’s recipes and finding joy in turning simple meals into something special.
Arya Parhar, M.D. - Chief Resident
Medical School: Frank H. Netter MD School of Medicine at Quinnipiac University
Undergraduate: Washington University in St. Louis
Hobbies: All sports except hobby horsing (too intimidating).
Christopher Laube, M.D. – Chief Resident; OSP Critical Care Program
Medical School: University of Arizona College of Medicine – Phoenix
Undergraduate: Arizona State University
Hobbies: Being a dad to three wild kids, exploring wineries and breweries with my wife, taking care of one of our 13 animals, paddle boarding, hiking, playing guitar, boxing, reading (mostly sci-fi and fantasy novels), and video gaming.
Lainey Prendiville, M.D. – Chief Resident
Medical School: OHSU
Undergraduate: University of Oregon
Hobbies: Snow skiing, wakeboarding, hiking, watching any and all sports, live music, walking my dog, hosting dinner parties.
Eleanor McCreary, M.D.
Medical School: OHSU
Undergraduate: Pacific University
Hobbies: In my free time, I love playing piano, skiing, baking, and trying new creative projects like crocheting and upholstery. On weekends, you can find me at a ballet class, watching F1, at a local antique store, decompressing at the gym, or spending time exploring the outdoors with my husband, daughter, and our Boston Terrier, Wellington.
Garrett Buechner, M.D.
Medical School: Georgetown University School of Medicine
Hobbies: Digital and Film Photography: everything from portraits to landscape and marketing-based photography. Singing and Piano: started as a child and have continued in choirs, acapella groups, and solo performances. Cooking: inspired by my Mom's recipes, I continue to hone my cooking skills to create dishes for friends and family. Skiing: grew up minutes from a ski hill, learned young, and quickly became an instructor.
Georgia Morrison, M.D.
Medical School: OHSU
Hobbies: Cooking- I love Cravings, Magnolia, and One Pot A Day cookbooks. Reading- I am a voracious reader and average fifty books per year, my favorite authors include Stephen King, Amor Towles, and David Sedaris. Biking- Events include Reach the Beach Oregon 2022, Cycle for a Cause, Cycle Oregon 2021 and 2022, and Providence Bridge Pedal 2020-2022. NYT Crossword Puzzles- I do use auto check, admittedly. Lion Hunting- with my 2-year-old in the garage. We have a serious infestation.
Jacob Thum, D.O.
Medical School: New Mexico State University
Hobbies: I crossed America by foot - twice. I used a pathway called the Pacific Crest Trail, which spans 2,700 miles across CA, OR, & WA. This accomplishment was a symbolic gesture of recovering from a spinal cord injury that left me unable to walk for 6 months at age 17.
Jenita Ngo, D.O.
Medical School: A.T. Still University of Health Sciences School of Osteopathic Medicine in Arizona
Undergraduate: UC Davis
Hobbies: Baking/cooking, house plants, pottery.
Kathryn Volarich, M.D.
Medical School: Geisinger Commonwealth School of Medicine
Hobbies: Video and board games, puzzles, reading, woodworking, watching horror movies, trying new restaurants
Luan Nguyen, M.D.
Medical School: OHSU
Hobbies: In my spare time I enjoy hiking, rock climbing, learning guitar, cooking Vietnamese food, and reading. Rock climbing is a great way for me to stay fit and allows me to enjoy the great outdoors at the same time. During lockdown I learned to sing while playing guitar, and although I'm not great at either, it sure is a lot of fun to be able to do both. Though not as tasty as mom's cooking, my Vietnamese cooking is delicious, healthy, and keeps me close to my culture.
May Paing
Medical School: Chicago Medical School at Rosalind Franklin University of Medicine & Science
Undergraduate: University of California, Los Angeles
Hobbies: Hiking, going to beaches and parks: personal goal of visiting at least one national park per year. Watching TV shows: Schitt's Creek, Kim's Convenience, Korean dramas. Trying different restaurants: I try to explore as many different cuisines as I can. Board games: recently began visiting board game cafes more frequently. Indoor bouldering: began in August 2022. Playing with my cat, Kupo.
Nina Kostur, M.D.
Medical School: OHSU
Undergraduate: Whitman College
Hobbies: Hiking, backcountry skiing, mushroom hunting, cooking, traveling, and spending time with my family.
Skylar Fuller, M.D.
Medical School: OHSU
Undergraduate: Oregon State University
Hobbies: My hobbies range from hiking, backpacking, running, and clam digging to more relaxing pursuits like cooking, reading, and visiting coffee shops and outdoor markets with my dog.
Terence Ellis, M.D.
Medical School: Wright State University Boonshoft School of Medicine
Hobbies: Music: I have always enjoyed listening to live music, whether it is street performers, small-venue acts, or large star-studded events. Traveling: both locally or internationally, I love an adventure to a new destination. Food: exploring new cuisines with family and friends is always fun and helps give me an appreciation of different cultures. Biking: riding my bike allows for relaxation and reflection while benefiting my physical, mental, and emotional wellness
Thomas Huang, M.D.
Medical School: Saint Louis University School of Medicine
Hobbies: I enjoy running, biking, and swimming as well as being outside. Love cooking and trying new restaurants in town as well.
Thomas Bartlett, M.D. – OSP Critical Care Program
Medical School: OHSU
Hobbies: I enjoy the outdoors, from ski patrol and geologic expeditions, to fly-fishing and mountaineering. My range of hobbies also includes rock-climbing, olympic weightlifting, skateboarding/ramp construction, indoor plants, cozy board-game nights, woodworking/power tool collecting, and basic bike mechanics that YouTube covers. I also enjoy podcasts about finance, humor, basketball, maintaining relationships, and true-crime/investigative journalism. I have a very understanding fiancé and two crazy cats.
CA-4's
Nick Rosson, M.D. – Critical Care Chief Resident
OSP Critical Care program
Medical School: Oregon Health & Science University School of Medicine
Undergraduate: Oregon State University
Hobbies: Reading, hiking, hanging with friends.
Saifullah Hasan, M.D. – OSP Critical Care Program
Medical School: OHSU
Hobbies: I enjoy playing soccer, rock climbing, tennis, photography and videography, exploring the outdoors and recently became interested in boxing and muay thai. In my free time I enjoy building computers, fixing iPhone hardware and learning to code.
Critical Care Medicine Fellows
Ahna Weeks, M.D.
Medical School: Emory University School of Medicine
Residency: University of Washington – Emergency Medicine
Maritza Kelesis, M.D.
Medical School: University of Nevada, Las Vegas School of Medicine
Residency: University of Louisville – Emergency Medicine
Pediatric Anesthesiology Fellows
Robert Guidangen, M.D.
Medical School: Texas A&M University College of Medicine
Residency: University of Nebraska Medical Center - Anesthesiology
Trevor Obrinsky, M.D.
Medical School: University of Washington School of Medicine
Undergraduate: Gonzaga University
Hobbies: Playing golf, basketball, and hockey, cooking/baking, spending time with my family and dog.
Zac Egr, M.D.
Medical School: University of Nebraska College of Medicine
Residency: University of Nebraska Medical Center - Anesthesiology
Adult Cardiothoracic Anesthesiology Fellow
Seth White, M.D.
Medical School: Loma Linda University School of Medicine
Residency: Loma Linda University Health – Anesthesiology
Regional Anesthesia and Acute Pain Medicine Fellows
Emry Cohen, M.D.
Medical School: New York Medical College
Residency: UVA Medical Center - Anesthesiology
Vaishali Pandey, M.B.B.S.
Medical School: Jhalawar Medical College (Rajasthan University of Health Sciences)
Residency: Dr. Sampurnanand Medical College, Jodhpur – Anesthesiology and Critical Care
Pain Medicine Fellows
Aaron Saleen Degrange, D.O.
Medical School: University of North Texas Health Science Center
Hobbies: During medical school, I helped classmates change their oil, brakes, cooling systems and even performed an upper-end rebuild. Woodworking: I have built furniture and recently started wood carving. Hiking/Camping/Kayaking: I enjoy spending time outdoors with my wife and 2 pets. I also plan on finishing the 100-mile Lone Star Trail. Reading, cryptocurrency mining, and diving are some of my other hobbies
Bilal Ahmed, M.B.B.S
Medical School: Central Park Medical College
Residency: Los Robles Regional Medical Center – Emergency Medicine
John-Henry Lambin, M.D.
Medical School: University of Nevada School of Medicine
Residency: Ochsner Medical Center – Emergency Medicine
John Young, M.D.
Medical School: University of Kansas School of Medicine
Residency: Wichita Center for Graduate Medical Education - Anesthesiology
Neuroanesthesia Fellow
Rania Elkhateb, M.D.
Medical School: Kasr Al Aini Medical School
Residency: Cairo University Hospitals – Anesthesiology