Get to Know the Orthopaedic Surgery Residency Program

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GME | Why Choose the David Geffen School of Medicine?

PGY-5 Residents

Abigail Cortez, MD

Abigail Cortez, MD

Hometown: San Bruno, CA

Undergrad Institution: University of California, Berkeley

Medical School: University of California, San Francisco

Fellowship: University of Washington – Hand Surgery Fellowship

Clinical Interests: Global health, trauma, hand

Hobbies/ Interests: Spending time with family and friends, watching TV/movies, board games, skiing, climbing, cooking

Sai Devana, MD

Sai Devana, MD

Hometown: Hyderabad India 

Undergrad Institution: University of California, Los Angeles

Medical School:  University of California, Los Angeles

Fellowship: Washington University in St. Louis - Shoulder and Elbow

Clinical Interests: Shoulder arthroplasty, upper extremity fractures

Hobbies/ Interests: Basketball, Tennis, traveling, time with friends and family 

Richard Hwang, MD

Richard Hwang, MD

Hometown: San Ramon, CA

Undergrad Institute: University of California, Berkeley

Medical School: David Geffen School of Medicine at UCLA

Fellowship: Hospital of Special Surgery – Arthroplasty Fellowship

Clinical Interests: Adult Reconstruction

Hobbies/ Interests: Surfing, snowboarding, hanging out at the beach, traveling

Erik Mayer, MD

Erik Mayer, MD

Hometown: Santa Cruz, CA

Undergrad Institution: Brigham Young University

Medical School: David Geffen School of Medicine at UCLA

Fellowship: University of Texas Health Science Center at Houston - Orthopaedic Trauma

Clinical Interests: Orthopaedic trauma, adult reconstruction

Hobbies/ Interests: Hanging with my wife and kids, sand volleyball, cycling, spikeball, tennis, board games

Richard Preuss, MD

Richard Preuss, MD

Hometown: South Bend, Indiana 

Undergrad Institution: United States Naval Academy

Medical School: University of Virgina 

Fellowship: Ortho Carolina – Sports Medicine Fellowship

Clinical Interests: Sports, Trauma 

Hobbies/ Interests: Surfing, grilling, exercise, the beach, family time. 

Akash Shah, MD

Akash Shah, MD

Hometown: Fullerton, CA

Undergrad Institute: Duke University

Medical School: Harvard Medical School

Fellowship: Harvard – Spine Fellowship

Clinical Interests: Spine, oncology

Hobbies/ Interests: Exploring LA restaurants and bars, hiking, cooking, figuring out how to use my espresso machine

Nakul Talathi, MD

Nakul Talathi, MD

Hometown: Alpharetta, Georgia

Undergrad Institution: University of Georgia

Medical School: University of Pennsylvania 

Fellowship: Childrens Hospital of Philadelphia - Pediatric Fellowship

Clinical Interests: Pediatrics, Trauma

Hobbies/ Interests: University of Georgia sports, cooking

PGY-4 Residents

Seth Ahlquist

Seth Ahlquist, MD

Hometown: Loomis, CA

Undergrad Institution: University of California, Los Angeles

Medical School: David Geffen School of Medicine at UCLA

Clinical Interests: Upper Extremity

Hobbies/ Interests: Soccer, Tennis, UCLA football/basketball, board games, spending time with my wife and twin boys

Eric Chang

Eric Chang, MD

Hometown: Los Angeles, CA

Undergrad Institution: University of California, Berkeley

Medical School: Tulane University School of Medicine

 

 

Christopher Gajewski

Christopher Gajewski, MD

Hometown: Chagrin Falls, OH

Undergrad Institution: University of Pennsylvania

Medical School: University of Pennsylvania

Clinical Interests: Hand & Upper Extremity

Hobbies/ Personal Interests: Cooking, playing tennis, exploring the LA restaurant scene, perfecting the perfect negroni

Brendan Shi, MD

Brendan Shi, MD

Hometown: Charlotte, NC

Undergrad Institution: Yale University 

Medical School: Johns Hopkins University 

Clinical Interests: Periarticular trauma, Shoulder arthroplasty

Hobbies/ Interests: Basketball, cycling, music

Rishi

Rishi Trikha, MD

Hometown: Laguna Niguel, CA

Undergrad Institution: University of California, San Diego

Medical School: Icahn School of Medicine at Mount Sinai

Clinical Interests: Sports Medicine, Periprosthetic Infection Prevention, EDI

Hobbies/ Interests: Soccer, Basketball, Food

Alexander Upfill Brown, MD

Alexander Upfill Brown, MD

Hometown: Houston, TX

Undergrad Institution: Stanford University

Medical School: UCLA David Geffen School of Medicine

Clinical Interests: Spine, Trauma, Oncology, Device design, Clinical research

Hobbies/ Interests: Golf, running, snowboarding, the outdoors, eating and making better pizza, LA restaurants

PGY-3 Research Residents

nicole

Nicole Hung , MD

Hometown: Los Angeles, CA

Undergrad Institution: Princeton Unive4rsity

Medical School: University of California, San Francisco

Clinical Interests: Upper Extremity/Hand, Sports, Arthroplasty, Oncology

Hobbies/ Interests: Eating, cooking, and trying new restaurants with my wife and family, traveling, tennis, basketball, spoiling my dog

 

 

Brian Zukotynski

Brian Zukotynski, MD

Hometown: Manhattan Beach, CA

Undergrad Institution: University of Southern California 

Medical School: University of Southern California, Los Angeles

Clinical Interests: Implant design, clinical informatics, sports, trauma, shoulder/elbow, surgical education.

Hobbies/ Interests: Piano, beaches, hiking, consumer technology.

PGY-3 Residents

Daniel Chiou

Daniel Chiou, MD

Hometown: Los Angeles, CA

Undergrad Institution: Brown University 

Medical School: Brown Medical School

varun

Varun Gudapati, MD

Hometown: Saratoga

Undergrad Institution: Duke University 

Medical School: University of California, Los Angeles 

Clinical Interests: I enjoy all orthopedics

Hobbies/ Interests: Skiing, drawing, reading, engineering, biking

 

Jennifer Kallini

Jennifer Kallini, MD

Hometown: Manhattan Beach, CA

Undergrad Institution: Stanford University

Medical School: Harvard Medical School

Clinical Interests: Upper extremity, trauma, elbow arthroplasty, education, clinical informatics.

Hobbies/ Interests: Piano, beaches, hiking, consumer technology.

ryan

Ryan Ouillette, MD

Hometown: Murrieta, CA

Undergrad Institution: Harvard University 

Medical School: University of California, San Diego

Clinical Interests: Arthroplasty, trauma, pediatrics. That feeling when the reduction keys in just right.

Hobbies/ Interests: Surfing, travel, beach volleyball 

Troy Sekimura

Troy Sekimura , MD

Hometown: Kailua, HI

Undergrad Institution: University of Southern California

Medical School: University of California, Los Angeles

Clinical Interests: Arthroplasty, Trauma

Hobbies/ Interests: Tennis, spikeball, snowboarding (poorly)

Lisa Su

Lisa Su, MD

Hometown: Grapevine, Texas

Undergrad Institution: Stanford University

Medical School: University of California, Los Angeles 

Clinical Interests: Adult reconstruction, upper extremity, implant and device design 

Hobbies/ Interests: Snowboarding, beach-bumming, flag football, music

 

PGY-2 Residents

Jordan Holler

Jordan Holler , MD

Hometown: Louisville, Colorado

Undergrad Institution: University of Illinois at Urbana Champaign (UIUC)

Medical School: University of California San Francisco (UCSF)

Clinical Interests: Trauma, Arthroplasty, Sports, Global Orthopedics, Statistical Modeling

Hobbies/ Personal Interests: Fermentation, hot-sauce crafting, coffee bean roasting, hiking, gardening, spending time with family

Atousa

Atousa Nourmahnad, MD

Hometown: Villanova, PA

Undergrad Institution: Swarthmore College

Medical School: Harvard Medical School

Clinical Interests: Hand 

Hobbies/ Personal Interests: HIIT, pilates, alt rock, Sunday mornings on the couch

 

thomas olson

Thomas Olson, MD

Hometown: Batavia, IL & Colorado Springs, CO

Undergrad Institution: Denison University 

Medical School: David Geffen School of Medicine at UCLA

Clinical Interest: Spine, Trauma, Oncology

Hobbies/ Personal Interests: Lifting, escape rooms, skiing, & Netflix 

park

Jeannie Park , MD

Hometown: Pleasanton, CA

Undergrad Institution: Cornell University 

Medical School: University of California, Davis

Clinical Interests: Trauma, joints, spine, oncology

Hobbies/ Personal Interests: Hiking , baking, skiing, finding the best breakfast burrito in LA

sridharan

Mathangi Sridharan, MD

Hometown: Strongsville, OH

Undergrad Institution: The Wharton School of the University of Pennsylvania

Medical School: The Ohio State University College of Medicine

Clinical Interests: Shoulder/elbow, sports, joints, cost effectiveness and clinical outcomes research

Hobbies/ Personal Interests: Peloton, boxing, reading, beach-going

paul walker

Paul Walker , MD

Hometown: Riverside, CA

Undergrad Institution: University of California, Irvine 

Medical School: Weill Cornell Medical College 

Clinical Interests: Sports, Upper extremity, Pediatrics, Arthroplasty, EDI

Hobbies/ Interests: good eats, traveling, snowboarding, watching Kobe highlights 

PGY-1 Residents

Christopher Hamad

Christopher Hamad, MD

Hometown: Houston, Texas 

Undergrad Institution: University of California, Los Angeles 

Medical School: The University of Texas Health Science Center at Houston, McGovern Medical School

Clinical Interests: Orthopaedic Oncology and Implant Associated Infection

Hobbies/ Interests: Spending time with family and friends, taekwondo, weight lifting, road biking, traveling, anything outdoors, trying new restaurants, grilling/smoking/dry aging meats

Kellyn

Kellyn Hori, MD

Hometown: San Francisco, CA

Undergrad Institution: University of California, Los Angeles

Medical School: David Geffen School of Medicine at UCLA

Clinical Interests: Sports, Pediatrics, Oncology, Trauma, Arthroplasty

Hobbies/ Interests: Volleyball, golf, baking, houseplants

Hsue

Lauren Hsue, MD

Hometown: Mercer Island, WA

Undergrad Institution: Oregon Health & Science University 

Medical School: The University of Texas Health Science Center at Houston, McGovern Medical School

Clinical Interests: Orthopaedic Oncology and Implant Associated Infections

Hobbies/ Interests: Hosting dinner parties, Peloton, social dance, indie folk music

tim liu

Tim Liu, MD

Hometown: Fairfield, CA

Undergrad School: University of California, San Diego

Medical School: University of California, Los Angeles

Clinical Interests: Sports, Pediatrics, Oncology, Trauma, Arthroplasty

Hobbies/ Interests: Fishing, cycling, camping, hiking

Shannon Wu

Shannon Wu, MD

Hometown: Arcadia, CA

Undergrad: Stanford University 

Medical School: David Geffen School of Medicine at UCLA

Clinical Interests: Sports, Pediatrics, Oncology, Trauma, Arthroplasty

Hobbies/ Interests: Drawing, painting, surfing, yoga, cooking

Jonathan Yu

Jonathan Yu, MD

Hometown: Seattle, Washington 

Undergrad Institution: Yale University 

Medical School: Weill Cornell Medical College 

Clinical Interests: Adult Reconstruction, Sports, Health Economics, Health Equity

Hobbies/ Interests: Basketball, Cooking, Guitar, Reading, Tennis, Eating