Karla Rebullar, MD

Karla
Rebullar
MD
Fellow
Female Pelvic Medicine and Reconstructive Urology Fellowship

Medical School: University of Toronto

Justin Mehr, MD

Justin
Mehr
MD

Hometown: Mission Viejo, Calif.
Undergrad: University of California, Irvine
Medical School: McGovern Medical School at UT Health - Houston
Favorite Case in Urology: Inflatable penile prosthesis placement
Favorite OR Music: late 90's/early 2000's (*NSync Radio on Spotify... perfection)
Fun Fact: I won the 2005 Orange County Spelling Bee (crumbled under pressure in regionals on "vernacular").

Kimberly Maciolek, MD

Kimberly
Maciolek
MD
Fellow
Endourology and Laparoscopic Surgery Fellowship

Residency: University of Virginia

Alyssa Hardin, MD

Alyssa
Hardin
MD

Hometown: Bend, Ore.
Undergrad: University of Oregon
Medical School: University of Michigan Medical School
Favorite Case in Urology: Robotic pyeloplasty
Favorite OR Music: Leon Bridges or Summer Hits of the 2000s
Fun Fact: I graduated high school in China but I regrettably have no Mandarin skills to show for it.

Brendan Frainey, MD

Brendan
Frainey
MD
Assistant Professor, Department of Urology
Division of Pediatric Urology

Dr. Frainey is a pediatric urologist with clinical interests in the management neuropathic bladder, reconstructive genitourinary surgery, and minimally invasive robotic surgery. Dr. Frainey is the Director of Transitional Urology at the Monroe Carell Jr. Children’s Hospital at Vanderbilt and started an Adult Spina Bifida Clinic at Vanderbilt University Hospital in October 2025. Thus, he is dedicated to the urologic care of children and young adults with spina bifida and neurogenic bladder. Dr. Frainey's research interests include evaluating the role of the urinary and intestinal microbiomes in UTI pathogenesis in individuals with spina bifida as well as the long term outcomes of the surgical management of neurogenic bladder. He has received internal grant funding through Vanerbilt's Institute for Clinical and Translational Research (VICTR).

Medical School: Northwestern's Feinberg School of Medicine, Chicago, IL
Residency: Cleveland Clinic Urology Residency, Cleveland, OH
Fellowship: Vanderbilt Pediatric Urology Fellowship, Nashville, TN
Clinical Interests: Pediatric Urology, Neurogenic Bladder, Urodynamics, Genitourinary tract reconstruction, Laparoscopy and Robotics, Congenitalism

Charlie Ferreri, MD

Charlie
Ferreri
MD

Hometown: Goodrich, Mich.
Undergrad: University of Michigan
Medical School: University of Michigan Medical School
Favorite Case in Urology: Orchiopexy
Favorite OR Music: Taylor Swift, Ed Sheeran, John Mayer
Fun Fact: I love to bake and can make a mean cheesecake!

Avi Baskin, MD

Avi
Baskin
MD
Fellow
Urologic Oncology Fellowship

Residency: University of California, San Francisco

Krzysztof Dworski, APRN

Krzysztof
Dworski
APRN
Fellow
Urology Nurse Practitioner Fellowship

Undergrad: Clark University
NP School: Vanderbilt University

Leslie Peard, MD

Leslie
Peard
MD
Assistant Professor, University of Kentucky Medical Center

Med School: Medical College of Georgia at Augusta University, Augusta, GA
Residency: University of Kentucky College of Medicine, Lexington, KY
Fellowship: Vanderbilt University Medical Center, Nashville, TN

KayAnn Scribner, MSN, FNP-BC

KayAnn
Scribner
MSN, FNP-BC
Nurse Practitioner
Department of Urology
Division of General Urology

Undergrad: Cumberland University
Nursing School: Tennessee Technological University