Meet Our Residents

Interns/PGY-1’s

Ajit Elhance, M.D. Medical School: OHSU

Ajit Elhance, M.D.

Medical School: OHSU

Anastasiia Karadzha, M.D. – OSP Clinician Scientist Program Medical School: Odessa National Medical University

Anastasiia Karadzha, M.D. – OSP Clinician Scientist Program

Medical School: Odessa National Medical University

Andi Chaloult, M.D. Medical School: OHSU

Andi Chaloult, M.D.

Medical School: OHSU

Annelisse Montes, M.D.  Medical School: Stanford University School of Medicine

Annelisse Montes, M.D. 

Medical School: Stanford University School of Medicine

Brooke Frankauer, M.D., Ph.D. Medical School: Westfälische Wilhelms-Universität Medizinische Fakultät

Brooke Frankauer, M.D., Ph.D.

Medical School: Westfälische Wilhelms-Universität Medizinische Fakultät

Caitlyn Wong, M.D.  Medical School: OHSU

Caitlyn Wong, M.D. 

Medical School: OHSU

Chanya Elkins, M.D. – OSP Critical Care Program Medical School: Tufts University School of Medicine

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

Chia Chen, M.D.

Medical School: Washington University School of Medicine

Debbie Kim, M.D.  Medical School: OHSU

Debbie Kim, M.D. 

Medical School: OHSU

Ethan Levitch, M.D. – OSP Critical Care Program Medical School: University of Queensland School of Medicine

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

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

Julia DiSpirito, M.D.

Medical School: Albany Medical College of Union University

Kari Van Mols, M.D. Medical School: OHSU

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

Tom Martinson, M.D. 

Medical School: OHSU

CA-1's

Headshot of Alex Tomlinson

Alex Tomlinson, M.D. – OSP Critical Care Program

Medical School: OHSU

Allen Laviña, MD

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. 

Headshot of Bella Bourn

Bella Bourn, M.D.

Medical School: Loma Linda University School of Medicine

Undergraduate: California Baptist University

Hobbies: Hiking, camping, paddleboarding, and playing pickleball!

Headshot of Cassandra Black

Cassandra Black, M.D.

Medical School: Washington State University Elson S Floyd College of Medicine

Headshot of Craig Yamaguchi

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

Dominic Thomas, M.D. 

Medical School: JC Edwards School of Medicine, Marshall University

Headshot of Jaime Contreras

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.  

Headshot of James Ling

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.

Headshot of Micaila Spisak

Micaila Spisak, M.D.

Medical School: Temple University School of Medicine

Mrinal Thapliyal

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.

Headshot of Nicholas Maier

Nicholas Maier, D.O.

Medical School: Rocky Vista University College of Osteopathic Medicine

Headshot of Pavithra Rao

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

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.

Headshot of Sam Halladin

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. 

Headshot of Todd Hinsch

Todd Hinsch, D.O. - OSP Critical Care Program

Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific

Headshot of Tyler Henry

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

Aaron Williamson, D.O.

Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific

Alexandra Johnson

Alexandra Johnson, M.D.

Medical School: University of Minnesota Medical School

Headshot of Andrew Molitor

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

Antoinette Montelibano, M.D.

Medical School: University of Pittsburgh School of Medicine

Ashley Hughes

Ashley Hughes, M.D.

Medical School: Wright State University Boonshoft School of Medicine  

Headshot of Ashley King

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 Bhatt

Avni Founds, M.D.

Medical School: UC Davis School of Medicine

Bailey Reynolds

Bailey Reynolds, M.D.

Medical School: OHSU

Undergraduate: Oregon State University

Hobbies: Painting, photography, hanging out with my cats.

Eric Fellin

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

Eric Torres Rivera, M.D. 

Medical School: San Juan Bautistia School of Medicine

Fabio Rodriguez Headshot

Fabio Rodriguez-Patarroyo, M.D. - OSP Clinician Scientist Program

Medical School: Universidad del Tolima Facultad de Ciencias de la Salud

Headshot of Jacob Gomez

Jacob Gomez, M.D.

Medical School: University of Southern California Keck School of Medicine

Jesse Tonkinson

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

Luiza Bosch, M.D. - OSP Critical Care Program

Medical School: University of Washington School of Medicine

Manrit Gill

Manrit Gill, M.D.

Medical School: University of Arizona College of Medicine 

Victoria Klinewski

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.

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

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.

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

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.

Elaine Prendiville

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

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.

Buechner

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

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

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

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.

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

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

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.

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

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.

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

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.
 

Tom Bartlett, M.D. – OSP Critical Care Program

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

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

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

Professional headshot of Ahna Weeks

Ahna Weeks, M.D.

Medical School: Emory University School of Medicine

Residency: University of Washington – Emergency Medicine

Maritza Kelesis, M.D.

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.

Robert Guidangen, M.D. 

Medical School: Texas A&M University College of Medicine

Residency: University of Nebraska Medical Center - Anesthesiology 

Headshot of Trevor Obrinsky

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.

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.

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.

Emry Cohen, M.D. 

Medical School: New York Medical College

Residency: UVA Medical Center - Anesthesiology

Vaishali Pandey, M.B.B.S.

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

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

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.

John-Henry Lambin, M.D.

Medical School: University of Nevada School of Medicine

Residency: Ochsner Medical Center – Emergency Medicine

John Young, M.D.

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.

Rania Elkhateb, M.D.

Medical School:  Kasr Al Aini Medical School

Residency:  Cairo University Hospitals – Anesthesiology