Our Team

Our Team

Innovative research, continuous learning, exceptional care.
These are the principles that drive our mission, brought to life by the dedicated professionals who make that mission a reality every day.

The UW Department of Urology is made up of an experienced and skilled team committed to providing the highest level of care while advancing innovative treatments, driving research, and shaping future leaders in urology.

Many of our fellowship-trained faculty members are recognized among the Castle Connolly Top Doctors and Madison Magazine Top Doctors, reflecting their exceptional expertise. Our diverse team of specialty-trained urologists perform thousands of complex and unique procedures each year. However, our true measure of success lies in the care of each individual patient.

Searchable Directory

Department Chair

Stephen Y. Nakada, MD, FACS, FRCS (Glasg.)

Credentials: Professor
Chairman, Department of Urology
The David T. Uehling Chair in Urology

Position title: Specialties: Adult Stone Disease
Clinical Information at UW Health

Email: nakada@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 263-1359

Physician Faculty

David F. Jarrard, MD

Credentials: Professor
Senior Vice Chair of Clinical and Academic Affairs
John P. Livesey Chair in Urologic Oncology

Position title: Specialties: Minimally Invasive Surgery, Urologic Oncology
Clinical Information at UW Health

Email: jarrard@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 263-4563

Sarah E. McAchran, MD, FACS

Credentials: Professor (CHS)
Vice Chair of Clinical Operations
Dyad Lead, Outpatient Urology

Position title: Specialties: Urogynecology and Reconstructive Pelvic Surgery
Clinical Information at UW Health

Email: mcachran@urology.wisc.edu

Phone: Clinic: 608-263-4757
Academic: 608-265-8574

Daniel H. Williams IV, MD

Credentials: Professor (CHS)
Vice Chair for Education
Residency Program Director
Stephen Y. Nakada Professor
in Leadership and Mentorship

Position title: Specialties: Male Infertility, Male Sexual Health
Clinical Information at UW Health

Email: williams@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 263-4563

Walid Farhat, MD,
GPLLM, FRCSC, FAAP, FACS

Credentials: Professor (CHS)
Chief, Division of Pediatric Urology
Mark and Karen Koulogeorge Chair in Urology
Director of Global Urology

Position title: Specialties: Pediatric Urology
Clinical Information at UW Health

Email: farhat@urology.wisc.edu

Phone: Clinic: (608) 915-0670
Academic: (608) 262-0475

E. Jason Abel, MD, FACS

Credentials: Professor (CHS)
Section Head of Urologic Oncology
Robert and Dolores K. Schnoes Chair in Urologic Research
Dyad Lead, Inpatient Urology

Position title: Specialties: Minimally Invasive Surgery, Urologic Oncology
Clinical Information at UW Health

Email: abel@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 263-4563

Margaret Knoedler, MD

Credentials: Assistant Professor (CHS)
Section Head of Endourology

Position title: Specialties: Adult Stone Disease, Minimally Invasive Surgery
Clinical Information at UW Health

Email: knoedler@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 265-8574

Ali Antar, MD

Credentials: Assistant Professor (CHS)

Position title: Specialties: Adult Stone Disease, Minimally Invasive Surgery
Clinical Information at UW Health

Email: aantar@wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-5440

Sara Best, MD

Credentials: Associate Professor (CT)

Email: best@urology.wisc.edu

Vinaya Bhatia, MD

Credentials: Assistant Professor (CHS)
Director of Medical Student Programs

Position title: Specialty: Pediatric Urology
Clinical Information at UW Health

Email: bhatia@urology.wisc.edu

Phone: Clinic: (608) 915-0670
Academic: (608) 263-9534

Shannon T. Cannon, MD

Credentials: Assistant Professor (CHS)
Director of DEI, Urology

Position title: Specialty: Pediatric Urology
Clinical Information at UW Health

Email: cannon@urology.wisc.edu

Phone: Clinic: (608) 915-0670
Academic: (608) 262-5440

Kristin Ebert, MD

Credentials: Assistant Professor (CHS)
Co-Director of Simulation Education

Position title: Specialties: Pediatric Urology
Clinical Information at UW Health

Email: ebert@urology.wisc.edu

Phone: Clinic: (608) 915-0670
Academic: (608) 262-0475

Dan R. Gralnek, MD

Credentials: Associate Professor (CHS)
Director of HoLEP Program

Position title: Specialties: Benign Prostatic Hyperplasia (BPH), General Urology
Clinical Information at UW Health

Email: gralnek@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-0759

Matthew D. Grimes, MD

Credentials: Assistant Professor (CHS)

Position title: Specialties: Genitourinary Reconstruction, Male Sexual Health
Clinical Information at UW Health

Email: grimes@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 265-8574

Elizabeth Koehne, MD

Credentials: Assistant Professor (CHS)

Position title: Specialties: Urologic Oncology, Minimally Invasive Surgery
Clinical Information at UW Health

Email: koehne@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-0759

Craig J. Kozler, MD

Credentials: Assistant Professor (CT)

Position title: Specialties: General Urology
Clinical Information at UW Health

Email: kozler@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 265-8574

Frank Lin, MD, MS

Credentials: Assistant Professor (CHS)
Co-Director of Simulation Education
Assistant Urology Residency Program Director – UnityPoint Meriter Hospital

Position title: Specialties: Urogynecology and Reconstructive Pelvic Surgery, Minimally Invasive Surgery
Clinical Information at UW Health

Email: lin@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 265-8574

Christopher M. Manakas, MD

Credentials: Assistant Professor (CHS)
UW Health Physician Informaticist, Urology

Position title: Specialties: Benign Prostatic Hyperplasia (BPH), General Urology
Clinical Information at UW Health

Email: manakas@wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-0759

David R. Paolone, MD

Credentials: Associate Professor (CHS)
Director of Outreach Services

Position title: Specialties: General Urology, Male Sexual Health
Clinical Information at UW Health

Email: david.paolone@uwmf.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-5440

Kyle A. Richards, MD, FACS

Credentials: Associate Professor (CHS)

Position title: Specialties: Urologic Oncology, Minimally Invasive Surgery
Clinical Information at UW Health

Email: richardsk@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-0759

Michael C. Risk, MD, PhD

Credentials: Associate Professor (CHS)
Chief of VA Urology

Position title: Specialties: Urologic Oncology, Minimally Invasive Surgery
Clinical Information at UW Health

Email: risk@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-0759

Gray Roberge, MD

Credentials: Assistant Professor (CHS)

Position title: Specialties: General Urology
Clinical Information at UW Health

Email: roberge@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 263-4563

Javier Santiago, MD

Credentials: Assistant Professor (CHS)

Position title: Specialties: Neurourology, Genitourinary Reconstruction
Clinical Information at UW Health

Email: santiago@urology.wisc.edu

Phone: Clinic: 608-265-8574
Academic: (608) 265-8574

Emily Serrell, MD

Credentials: Assistant Professor (CHS)

Position title: Specialties: Adult Stone Disease, Minimally Invasive Surgery
Clinical Information at UW Health

Email: serrell@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-5440

Daniel Shapiro, MD, FACS

Credentials: Assistant Professor

Position title: Specialties: Urologic Oncology, Minimally Invasive Surgery
Clinical Information at UW Health

Email: shapiro@urology.wisc.edu

Phone: Clinic: (608) 263-4757
Academic: (608) 262-5440

Research Faculty

Johanna Hannan, PhD

Credentials: Visiting Associate Professor

Email: hannan@urology.wisc.edu

Phone: (608) 265-9822

Teresa Liu, PhD

Credentials: Research Assistant Professor

Email: liu@urology.wisc.edu

William Ricke, PhD

Credentials: Professor
Director of Research, Urology
Department of Urology Research Professor
Director of the George M. O’Brien Center

Email: rickew@urology.wisc.edu

Phone: (608) 265-3202

Scientists

Moon Hee Lee, PhD

Credentials: Scientist

Email: mhlee2@wisc.edu

Kristina Penniston, PhD

Credentials: Distinguished Scientist

Email: penn@urology.wisc.edu

Phone: (608) 265-9797

Researchers

Glenn Allen, MPH

Credentials: Senior Researcher

Email: alleng@urology.wisc.edu

Phone: (608) 262.3635

Emily Ricke, MS

Credentials: Distinguished Researcher
Ricke Lab

Email: ricke@urology.wisc.edu

Phone: (608) 265-3278

Muen Wang

Credentials: Researcher II

Email: mwang454@wisc.edu

Bing Yang, MD, PhD

Credentials: Distinguished Researcher
Jarrard Lab

Email: yangb@urology.wisc.edu

Advanced Practice Providers

Ashley Braun, PA

Credentials: Physician Assistant

Email: abraun2@uwhealth.org

Phone: (608) 263-4757

Andrea Christensen, NP

Credentials: Nurse Practitioner

Email: achristensen@uwhealth.org

Phone: (608) 263-4757

Haruna (Hans) Dibba, PA

Credentials: Physician Assistant

Email: hdibba2@uwhealth.org

Ashli Ellison, NP

Credentials: Nurse Practitioner

Email: AEllison@uwhealth.org

Phone: (608) 263-4757

Jennika L. Finup, NP

Credentials: Pediatric Nurse Practitioner

Email: JFinup@uwhealth.org

Phone: (608) 263-6420

Tayler Garvey, NP

Credentials: Pediatric Nurse Practitioner

Email: tgarvey@uwhealth.org

Phone: (608) 263-6420

Laura Hermsen, PA

Credentials: Physician Assistant

Email: LHermsen@uwhealth.org

Phone: (608) 263-4757

Sara Hermsen, PA

Credentials: Physician Assistant

Email: SHermsen@uwhealth.org

Phone: (608) 287-2900

Allison Heroux, PA

Credentials: Physician Assistant

Email: aheroux@uwhealth.org

Phone: (608) 263-4757

Hailey Hicks, NP

Credentials: Nurse Practitioner

Email: hhicks@uwhealth.org

Phone: (608) 263-4757

Bunmi Kumapayi, NP

Credentials: Nurse Practitioner

Email: bkumapayi@uwhealth.org

Phone: (608) 263-4757

Mya Lonnebotn, PA

Credentials: Physician Assistant

Email: mlonnebotn@uwhealth.org

Phone: (608) 263-4757

Jacob MacDowell, PA

Credentials: Physician Assistant

Email: jmacdowell@uwhealth.org

Phone: (608) 263-4757

Kali Mesdjian, NP

Credentials: Pediatric Nurse Practitioner

Email: KMesdjian@uwhealth.org

Phone: (608) 263-6420

Mikaela Morrison, PA

Credentials: Physician Assistant

Email: mmorrison2@uwhealth.org

Phone: (608) 263-4757

Madeleine Rapisarda, NP

Credentials: Nurse Practitioner

Email: mrapisarda@uwhealth.org

Phone: (608) 263-4757

Sarah Reiels, NP

Credentials: Pediatric Nurse Practitioner

Email: sreiels@uwhealth.org

Phone: (608) 263-6420

Sadie Siarkiewicz, PA

Credentials: Physician Assistant

Email: SSiarkiewicz@uwhealth.org

Phone: (608) 287-2900

Rachel Stanley, PA

Credentials: Physician Assistant

Email: rstanley@uwhealth.org

Phone: (608) 263-4757

Anne Walsh, PA

Credentials: Physician Assistant

Email: AWalsh@uwhealth.org

Phone: (608) 287-2900

Yesenia Weaver, NP

Credentials: Nurse Practitioner

Email: yweaver@uwhealth.org

Phone: (608) 263-4757

Fellows

Paz Lotan, MD

Credentials: Urologic Oncology Fellow

Email: lotan@urology.wisc.edu

Residents

Andrew Carey, MD

Credentials: PGY-5

University of Utah School of Medicine, 2021

Emily Davidson, MD

Credentials: PGY-5

University of Wisconsin School of Medicine and Public Health, 2021

Jacob Stevens, MD

Credentials: PGY-5

The University of Texas Southwestern Medical School, 2021

Emily Ellmann, MD

Credentials: PGY-4

Jacobs School of Medicine and Biomedical Sciences at the University of Buffalo, 2022

Megan Roedel, MD

Credentials: PGY-4

University of Wisconsin School of Medicine and Public Health, 2022

Lisa Teixeira, MD

Credentials: PGY-4

Albany Medical College, 2022

Phillip Huffman, MD

Credentials: PGY-3

Johns Hopkins University School of Medicine, 2023

Parth Shah, MD

Credentials: PGY-3

Northwestern University The Feinberg School of Medicine, 2023

Holly Smith, MD

Credentials: PGY-3

Renaissance School of Medicine at Stony Brook University, 2023

Keegan Steele, MD

Credentials: PGY-3

Indiana University School of Medicine, 2023

Devante Delbrune, MD

Credentials: PGY-2

University of Minnesota, 2024

Harrison Gottlich, MD

Credentials: PGY-2

Mayo Clinic, 2024

Sarang Janakiraman, MD

Credentials: PGY-2

Loyola University, 2024

Ellen Ward, MD

Credentials: PGY-2

Texas Tech University, 2024

Hanna Kherzai, MD

Credentials: PGY-1

University of Illinois, 2025

Koumani Ntowe, MD

Credentials: PGY-5

Duke University, 2025

Nicole Ronczkowski, MD

Credentials: PGY-1

Medical College of Georgia, 2025

Erica Zeng, MD

Credentials: PGY-1

University of North Carolina, 2025

Affiliate Faculty Researchers

Wei Huang, PhD

Credentials: Professor (CHS), Pathology

Email: whuang23@wisc.edu

Phone: (608) 262-5787

Chad Vezina, PhD

Credentials: Associate Professor
Department of Comparative Biosciences
School of Veterinary Medicine
O’Brien Center Associate Director

Email: cmvezina@wisc.edu

Phone: (408) 890-3235

Rehired Annuitants

Wade A. Bushman, MD, PhD

Credentials: Professor Emeritus

Email: bushman@urology.wisc.edu

Staff

Katie Apfelbeck

Credentials: Medical Program Assistant

Position title: Administrative support for
Drs. Gralnek, Koehne, Manakas, Richards, and Risk

Email: apfelbeck@urology.wisc.edu

Phone: (608) 262-0759

Debi Burkhardt

Credentials: Supervising Medical Program Assistant

Position title: Administrative support for Drs. Abel, Best, Jarrard, Roberge, and Williams

Email: burkhardt@urology.wisc.edu

Phone: (608) 263-4563

Mariana Coughlin

Credentials: Research Program Coordinator

Position title: Collaborating for the Advancement of Interdisciplinary Research in Benign Urology (CAIRIBU), NIH/NIDDK U24 Interactions Core

Email: mcoughlin3@wisc.edu

Maria Flory, MPH

Credentials: Regulatory Coordinator

Email: flory@urology.wisc.edu

Stephen J. Hall, MBA, CPA

Credentials: Chief Administrative Officer, Urology

Email: hall@urology.wisc.edu

Phone: (608) 263-9032

Valarie Kratochwill

Credentials: Administrative Coordinator

Position title: Administrative support for
Drs. Grimes, Knoedler, Kozler, Lin, McAchran, and Santiago and Chief Administrative Officer Stephen Hall

Email: kratochwill@urology.wisc.edu

Phone: (608) 265-8574

Haley Lange

Credentials: Clinical Research and Program Coordinator

Position title: Administrative support and research coordination for
Dr. Bhatia

Email: bryte@urology.wisc.edu

Phone: (608) 263-9534

Tricia A. Maier

Credentials: Senior Executive Assistant

Position title: Administrative support for
Dr. Stephen Y. Nakada
and Dr. Andrew Graf

Email: maier@urology.wisc.edu

Phone: (608) 263-1359

Christina Marcinske, MBA

Credentials: Development Coordinator

Email: brugger@urology.wisc.edu

Phone: (608) 262-0043

Rebecca Marrah

Credentials: Clinical Research Coordinator

Email: marrah@urology.wisc.edu

Laura McCarty, MSc

Credentials: Associate Director, Clinical and Sponsored Programs and Grants

Email: mccarty@urology.wisc.edu

Sandra L. Miller

Credentials: Senior Communications Manager

Email: smiller@urology.wisc.edu

Phone: (608) 265-8695

Denise A. Mussehl

Credentials: Educational Programs Manager

Email: mussehl@urology.wisc.edu

Phone: (608) 265-2910

Teri Ott

Credentials: Senior Financial Analyst

Email: ott@urology.wisc.edu

Phone: (608) 262-3240

Anna Peacock

Credentials: Education Coordinator

Email: peacock@urology.wisc.edu

Phone: (608) 263-1363

Julie Rowe

Credentials: Senior Medical Program Assistant
Pediatric Urology Division Coordinator

Position title: Administrative support for Drs. Farhat and Ebert

Email: rowej@urology.wisc.edu

Phone: (608) 262-0475

Lori Uttech-Hanson

Credentials: Clinical Research Center Administrator

Position title: Pre-Award Research Administrator

Email: uttechhanson@wisc.edu

Phone: (920) 296-5930

Deja Vieau

Credentials: Medical Program Assistant

Position title: Administrative support for
Drs. Antar, Cannon, Paolone, Serrell, and Shapiro

Email: vieau@urology.wisc.edu

Phone: (608) 262-5440

Abby Wiedmer

Credentials: Lead Clinical Research Coordinator

Email: wiedmer@urology.wisc.edu

Phone: (608) 265-9172