Our Team

Meet our Urologists

The Wisconsin Institute of Urology Urologists Team serves patients in Neenah, Oshkosh, Fond Du Lac, New London, Shawano, & Waupaca, Wisconsin

Matthew S Anderson, MD

Dr. Anderson’s clinical areas of expertise include prostate disorders, evaluation and treatment of urinary disorders, and kidney stones. Dr. Anderson performed the Fox Valley’s first hand-assisted laparoscopic nephroureterectomy (removal of kidney, urine tube, and bladder cuff) at Theda Clark Medical Center in 2001.

American Board of Urology, National Board of Medical Examiners

Urology, Loyola University Medical Center, Maywood, IL

University of Colorado School of Medicine, Denver, CO

Zoology/Physiology, University of Wyoming, Laramie, WY

American Urological Association, American Association of Clinical Urologists, Wisconsin Urological Society, Wisconsin State Medical Society, LUGPA

Omar Atassi, MD

Dr. Atassi’s clinical areas of expertise include evaluation and treatment of urinary cancers, diseases of the prostate, and kidney stones. Dr. Atassi has a special interest in pediatric urology and female incontinence including urinary stress incontinence and urge incontinence. In 2001, Dr. Atassi was selected as the best urologist in the Fox Cities as reported in Fox Cities Magazine.

American Board of Urology

Urology, William Beaumont Hospital, Royal Oak, MI

 Loyola University Medical School, Maywood, IL

Biology, Duke University, Durham, NC

American Urological Association, American Association of Clinical Urologists, Wisconsin Urological Society, Wisconsin State Medical Society, LUGPA

Community Foundation Board of Directors

Theda Clark Foundation Board

Thedacare Board of Trustees

FNB Fox Valley Board of Directors

FUYSC Board of Directors

Kevin J Flynn, MD

Dr. Flynn is a reconstructive urologist with expertise in urethral stricture disease, ureteral reconstruction, and genitourinary trauma. Additionally, he provides a full complement of urologic care to treat patients with kidney, prostate, and bladder cancers as well as benign conditions of the prostate and kidney stone disease. He performs an array of robotic, endoscopic, and open surgeries to best meet a patient’s needs.

He is also passionate about cancer survivorship and caring for patients experiencing the adverse effects of prior cancer treatment. This includes erectile dysfunction, male urinary incontinence, and radiation side effects.

American Board of Urology

Genitourinary Reconstruction, University of Iowa Hospitals and Clinics, Iowa City, IA

University of Iowa Hospitals and Clinics, Iowa City, IA

Indiana University School of Medicine, Indianapolis, IN

Biomedical Engineering, Marquette University, Milwaukee, WI

American Urological Association, Society of Genitourinary Reconstructive Surgeons

Tait D Fors, MD

Dr. Tait Fors became a urologist to help people regain their health. He has extensive training in the latest procedures, and his clinical areas of interest include laparoscopic and robotic surgery for kidney and prostate cancer, pediatric urology, and incontinence. Dr. Fors finds it incredibly rewarding when he can improve or enhance the quality of his patients’ lives.

American Board of Urology

Urology, University of Connecticut School of Medicine, Farmington, CT

University of Wisconsin School of Medicine, Madison, WI

Biology, University of Wisconsin, LaCrosse, WI

American Urological Association, Wisconsin State Medical Society, LUGPA

Daniel J Higgins, MD

Dr. Higgins’ clinical areas of expertise include urologic cancer, kidney stone disease, and enlarged prostate. He employs a variety of state-of-the-art surgical modalities such as cryosurgical treatment of the prostate and kidneys, laser treatment for enlarged prostate, InterStim therapy for overactive bladder, and outpatient procedures for urinary leakage. Dr. Higgins has also had training in advanced robotic surgery (da Vinci Surgical System) used for treatment of prostate cancer (prostatectomy) and treatment for symptomatic ureteropelvic junction obstruction (pyeloplasty).

American Board of Urology

Urology, Medical College of Wisconsin, Milwaukee, WI

Medical College of Wisconsin, Milwaukee, WI

Business Administration, Marquette University, Milwaukee, WI

American Urological Association, Wisconsin State Medical Society, LUGPA

Eric J Lawatsch, MD

As a general urologist, Dr. Lawatsch is trained to evaluate and treat all aspects of urologic disease, including prostate cancer, benign prostatic hypertrophy (BPH), kidney cancer, kidney stones, bladder cancer, erectile dysfunction, female incontinence, and pediatric urologic diseases. Dr. Lawatsch’s clinical areas of interest include laparoscopic and robotic surgery for kidney and prostate cancer as well as minimally invasive surgery for female incontinence and pelvic prolapse.

American Board of Urology, National Board of Medical Examiners

 Urology, Medical College of Wisconsin, Milwaukee, WI

 University of Minnesota, Minneapolis, MN

Biology, University of Minnesota, Minneapolis, MN

American Urological Association, Wisconsin Urological Society, Society of Government Service Urologists, Wisconsin State Medical Society, LUGPA

Joshua K Modder, MD

A strong patient/physician relationship is what Dr. Modder values most as a doctor. You can expect a thorough evaluation of your problem and understanding of its significance. Dr. Modder listens to your concerns and works together to find treatment options that will fit your needs. In addition to being a general urologist, Dr. Modder’s clinical areas of expertise include erectile dysfunction, male sexual health, and male infertility.

American Board of Urology

Andrology & Male Infertility, Northwestern University, Chicago, IL

Urology, UCSD Medical Center, San Diego, CA

University of Wisconsin School of Medicine, Madison, WI

Zoology, University of Wisconsin, Madison, WI

American Urological Association, American Association of Clinical Urologists, Wisconsin Urological Society, Wisconsin State Medical Society, LUGPA

Morgan E Schubbe, MD

Dr. Schubbe grew up in Appleton and is excited to establish her practice serving the patients of the Fox Valley. Professionally, she strives to provide comprehensive care to men and women with urologic cancers including kidney, prostate, testicular, and bladder cancer. Additionally, she cares for patients with voiding issues such as enlarged prostate, overactive bladder, and urinary incontinence.

She offers robotic, open, and endoscopic procedures to best meet the needs of her patients.

American Board of Urology

University of Iowa Hospitals and Clinics, Iowa City, IA

Medical College of Wisconsin, Milwaukee, WI

Loyola University of Chicago

American Urological Association

Advanced Practice Providers

The Advanced Practice Providers at Wisconsin Institute of Urology represent over 45 years of combined experience in urologic care. As part of being top-notch providers, our Advanced Practice Providers focus on the whole person when treating specific health problems and strive to educate patients and families on the effects these problems may have on them.

Along with delivering high quality personalized care when diagnosing and treating our patients, Wisconsin Institute of Urology APP’s help our physicians in other ways as well, such as assisting in surgery, ordering and interpreting diagnostic tests such as labs and x-rays and prescribing medications. APP’s are an integral part of the team at WIU.

Heather Beck, APNP

Heather received a Bachelor of Science degree in nursing from the University of Wisconsin-Oshkosh, and then earned a Master of Science degree in nursing as a Family Nurse Practitioner. She is board certified by the American Academy of Advance Practice Nurse Prescribers (APNP). Heather believes in open communication to encourage a positive provider/patient relationship. With 13+ years of urology experience, Heather collaborates with the physicians in providing comprehensive patient centered care including assessment, diagnosis, management of symptoms, and patient education to promote health and disease management. Heather assists the physicians in surgery and is an essential part of the Advanced Prostate Cancer Clinic at Wisconsin Institute of Urology. Heather lives in Oshkosh with her husband and three children. She enjoys running, camping, and spending time with family and friends.

Kirsten Donner, PA

Kirsten is a board-certified physician assistant. She earned a Bachelor of Science degree in Biomedical Sciences in 2014 and Masters of Physician Assistant Studies degree in 2015, both through Marquette University in Milwaukee, WI. Kirsten is a member of the American Academy of Physician Assistants and the American Urological Association. She has a passion for urology and has worked as a PA in the specialty since graduation.

Kirsten cares for patients of all ages for a variety of urologic issues, in both inpatient and outpatient settings. As a PA, Kirsten appreciates taking her time to hear the concerns of patients, thoroughly evaluating their medical conditions, providing education, and developing personalized treatment plans.

Kirsten lives in the Fox Valley with her husband and daughter. In her time outside of work, Kirsten enjoys reading, hiking, walking her dog, and spending time with her family.

Emily Klitzke, APNP

Emily is board certified by the American Academy of Nurse Practitioners. She earned both her Bachelor and Master of Science in Nursing degrees from Emory University in Atlanta, GA. Prior to that she received a Bachelor of Science in Nutrition from Auburn University. Emily aims to provide high quality care by thoroughly evaluating symptoms, collaborating with members of the healthcare team, and forming evidence-based treatment plans. She values building positive patient relationships through open communication and prioritizes educating her patients in the prevention and management of their urologic conditions. Emily lives in the Fox Valley where she enjoys spending time with her family and dog, playing volleyball, cooking, and being outdoors.

Tricia Koch, APNP

Tricia attended the University of Wisconsin-Oshkosh in the nursing program. She also obtained a Masters of Science in Nursing - Adult Nurse Practitioner from the University of Wisconsin-Oshkosh.

As an Advance Practice Nurse Practitioner with 14+ years of experience, Tricia evaluates the urologic diseases and problems patients are experiencing while creating a holistic treatment plan for each patient. Tricia provides follow-up care in the office and hospital settings.

Tricia lives in Neenah with her husband and two children. She enjoys spending time with her family, golfing, biking, boating, and water sports.

Jessica Lillie, APNP

Jessica has a Bachelor of Science degree in nursing from the University of Wisconsin-Eau Claire, along with a Master of Science in Nursing, Family Nurse Practitioner, from the University of Wisconsin-Oshkosh. Jessica loves seeing the variety of patients WIU has. As a compassionate, caring, and experienced provider for a diverse range of urologic issues, Jessica places utmost importance on having open and honest communication with all of her patients. Jessica has 15+ years of urology and surgery assist experience with Wisconsin Institute of Urology. Jessica currently lives in Appleton with her husband and 3 daughters. She enjoys watching her girls' sporting events, staying fit, spending time with her family, and weekends at the family cottage.

Amber Marasco, APNP

Amber is board certified by the American Nurses Credentialing Center. She earned her Masters Degree in Nursing from Marquette University in Milwaukee, Wisconsin. Prior to her joining Wisconsin Institute of Urology, she worked in critical care and hospital medicine. Amber aims to provide high quality care by listening to her patients thoroughly during each visit and collaborating with them on their plan of care. She prides herself on being comprehensive with her assessment and plan for each of her patients. Amber lives in Green Bay with her fiancé and their children. In her spare time she enjoys spending time with her family, traveling , working out and cooking.

Find board-certified urology care at Wisconsin Institute of Urology. Call us at 920-886-8979 or toll-free at 877-897-7747, or use our convenient Request an Appointment form.

Notice to WIU New London Patients:

WIU’s New London location is relocating.

Check us out at 1370 N Shawano St. Suite A, New London, WI 54961-7943

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