My professional interests include improving outcomes after cancer surgery as well as promote access to care for vulnerable populations. My research interests include the discovery of novel therapies for advanced bladder and penile cancer patients. I also enjoy running, traveling, and medical missions. Dr. Chipollini is rated as a Distinguished provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Penile Cancer, Bladder Cancer, Urothelial Cancer, Penectomy, and Nephrectomy.

I'm actively involved in oncology patient care, in pre- and postdoctoral education, and in teaching graduate students, house staff and fellows. Dr. Gelmann is rated as a Distinguished provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Prostate Cancer, Urothelial Cancer, Familial Prostate Cancer, and Bladder Cancer.

I am an avid moviegoer and attempt to expand on all genres with a high appreciation for historical and accurate storytelling. I am fascinated by the Arizona landscape and enjoy spending my time exploring. I am always in search for a unique gastronomy experience, Tucson's rich culture makes this easy to obtain. Dr. Boiles is rated as an Advanced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Renal Cell Carcinoma (RCC), Bladder Cancer, Urothelial Cancer, and Clear Cell Sarcoma.

I enjoy reading and spending time with my family. Dr. Gretzer is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Urethral Stricture, Enlarged Prostate (BPH), Prostate Cancer, Reconstructive Urology Surgery, and Ureteroscopy.

I enjoy reading and travel. Dr. Twiss is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Urinary Incontinence, Stress Urinary Incontinence, Interstitial Cystitis, Ureteroscopy, and Bladder Reconstruction.

Dr. Woodhead is passionate about patient care and research. His clinical expertise is in cardiopulmonary disease, and the translation of novel interventional devices from the development stage into the clinical practice. Dr. Woodhead is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Ascites, Lung Nodules, Familial Colorectal Cancer, Liver Embolization, and Bone Marrow Aspiration.

My primary interests include genitourinary cancers such as prostate, bladder and kidney disease. Additionally, I focus on radiotherapy for gynecologic cancers, including various applications of brachytherapy. As a research scientist, I am currently involved in database construction to assess retrospective prostate radiotherapy outcomes. Dr. Dougherty is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. Her top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Endometrial Cancer, and Familial Pancreatic Cancer.

Dr. Chadaz earned his Medical Degree from the George Washington University School of Medicine and Health Sciences in Washington, DC. He completed his Diagnostic Radiology Residency at the University of Rochester Medical Center, where he also participated in a 4th-year mini-fellowship program specializing in neuroradiology, breast imaging, and musculoskeletal imaging. Dr. Chadaz further honed his expertise by completing a Musculoskeletal Imaging Fellowship at the University of Arizona and Banner-University Medical Center in Tucson.An accomplished educator and researcher, Dr. Chadaz has received numerous accolades for his contributions to teaching and scholarly work. Most recently, his research exhibit, Declawed: A Review of Lesser Toe Deformities and Treatment, earned an RSNA Certificate of Merit. Additionally, he was honored with the College of Medicine – Tucson Outstanding Specialty Advisor Award in both 2023 and 2024. Dr. Chadaz is a two-time recipient of the Medical Imaging Grand Saguaro Faculty Teaching Award (2022 and 2023) and received the prestigious George R. Barnes Award for Faculty Teaching in 2020.When he is not working, Dr. Chadaz enjoys hiking/backpacking, skiing, and running. Dr. Chadaz is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Pancreatic Ductal Adenocarcinoma, PEHO Syndrome, X-Linked Intellectual Disability, Siderius Type, and Mohr-Tranebjaerg Syndrome.

Dr. Arif is an avid researcher and is deeply committed to innovation and excellence in patient care. She is the Assistant Dean of the Women in Medicine and Science Program (WIMS) at the University of Arizona. Dr. Tiwari is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. Her top areas of expertise are Pancreatic Ductal Adenocarcinoma, Pancreatic Adenoma, Insulinoma, Gallbladder Disease, and Pancreaticoduodenectomy.

Thomas Stejskal is a Radiologist in Tucson, Arizona. Dr. Stejskal is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Vertigo, Testicular Cancer, Chronic Cough, and Visceromegaly.

Karen Wheeler is a Urologist in Tucson, Arizona. Dr. Wheeler is rated as a Distinguished provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. Her top areas of expertise are Bladder Cancer, Urothelial Cancer, Non-Muscle Invasive Bladder Cancer, Cystectomy, and Ureteroscopy. Dr. Wheeler is currently accepting new patients.

Eric Outwater is a Radiologist in Tucson, Arizona. Dr. Outwater is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Ureterocele, Fibrosing Mediastinitis, Bronchogenic Cyst, and Lymphofollicular Hyperplasia.

Kevin Welker is a Radiologist in Tucson, Arizona. Dr. Welker is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Ascites, Herniated Disk, Visceromegaly, and Non-Alcoholic Fatty Liver Disease.

Jonathan Walker is a Urologist in Tucson, Arizona. Dr. Walker is rated as an Advanced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Urothelial Cancer, Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, Bladder Cancer, and Ureteral Reconstruction.

Timothy Roddy is a Urologist in Tucson, Arizona. Dr. Roddy is rated as an Advanced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Enlarged Prostate (BPH), Ureteroscopy, and Prostatectomy. Dr. Roddy is currently accepting new patients.

Kenneth Belkoff is a Urologist in Tucson, Arizona. Dr. Belkoff is rated as an Advanced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Enlarged Prostate (BPH), Perirenal Abscess, and Ureteroscopy. Dr. Belkoff is currently accepting new patients.

Jenne Myers is a Urologist in Tucson, Arizona. Dr. Myers is rated as an Advanced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. Her top areas of expertise are Congenital Mesoblastic Nephroma, Kidney Stones, Prostate Cancer, Reconstructive Urology Surgery, and Nephrectomy. Dr. Myers is currently accepting new patients.

Kalpesh Patel is a Urologist in Tucson, Arizona. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Enlarged Prostate (BPH), Ureteroscopy, and Reconstructive Urology Surgery. Dr. Patel is currently accepting new patients.

I enjoy traveling and cycling. Dr. Swart is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, HER-2 Positive Breast Cancer, and Angiosarcoma.

Suelyn Hall-Harper is a Urologist in Tucson, Arizona. Dr. Hall-Harper is rated as an Experienced provider by MediFind in the treatment of Non-Muscle Invasive Bladder Cancer. Her top areas of expertise are Urinary Incontinence, Enlarged Prostate (BPH), Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Prostatectomy.