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Paul Gellhaus,

M.D.

Urologic Surgical Oncologist; Medical Director of Robotic Surgery, City of Hope Cancer Center Phoenix

4.9 (220 Ratings)
Biography photo
Patient cancer care sometimes requires us to push the boundaries of what is possible in urologic care, striving to enhance outcomes through innovative surgical techniques and comprehensive cancer treatment strategies.
Location
City of Hope Phoenix
14200 West Celebrate Life Way
Goodyear, AZ 85338
City of Hope North Phoenix
2915 W. Rose Garden Lane
Phoenix, AZ 85027
Specialties
Urologic Oncology
Urology and Urologic Oncology
Genitourinary Surgery
Education
Medical school:

University of Iowa Carver College of Medicine, Iowa City, IA

Residency:

General Surgery Internship – Indiana University School of Medicine, Indianapolis, IN
Urology – Indiana University, Indianapolis, IN

Fellowship:

Urologic Oncology – City of Hope Medical Center, Duarte, CA

Academic Appointments
  • Associate Clinical Professor, Department of Surgery 
Certifications

Urology – American Urological Association 

About Me

Paul Gellhaus, MD, is a Urologic Oncologist at City of Hope® Cancer Center Phoenix, where he specializes in treating a range of urologic cancers and conditions in the retroperitoneum and pelvis, including kidney, ureter, bladder, prostate and testicular cancer. A recognized leader in his field, Dr. Gellhaus has made significant contributions to the field of urology, with a particular focus on robotic (minimally invasive) surgical techniques. His philosophy as a clinical provider is to help patients achieve their cancer treatment goals while preserving their quality of life.

Dr. Gellhaus earned his medical degree at the University of Iowa (UI) Carver College of Medicine in Iowa City.

After completing his internship and residency in urology at the distinguished Indiana University in Indianapolis, Dr. Gellhaus finished a urologic oncology and robotics fellowship at City of Hope Duarte in California.

Dr. Gellhaus returned as an assistant professor at UI to, where he was named director of the Medical Student Urology Clerkship and co-director of the Robotic Urology Oncology Surgery Fellowship. He was then quickly promoted to associate professor. During his time in Iowa City, he also started the robotics program at the Veterans Affairs Medical Center, earning him the founder and chief of robotic surgery.

As a member of the UI Health Care's Holden Comprehensive Cancer Center, Dr. Gellhaus received multiple accolades for his work, including the Innovations in Clinical Care Award for co-developing the MRI/ultrasound fusion prostate biopsy program and the prestigious Urology Faculty Teacher & Mentor of the Year Award. He is a member of the American Urological Association and the Society of Urologic Oncology.

A physician-scholar, Dr. Gellhaus has written on topics ranging from robotic surgery outcomes to health-related quality of life in cancer patients and innovative surgical techniques in urologic oncology. His translational research includes projects on novel imaging techniques for prostate cancer, intravesical therapies for bladder cancer and outcomes in robotic surgery for kidney cancer. His goal is to bring innovative research into clinical practice to enhance his patients' experience and improve outcomes. Outside of the clinic, Dr. Gellhaus loves being outdoors, hiking and spending time with his wife and daughter.

Patient reviews
The patient ratings and comments on this page are obtained from an external Press Ganey® outpatient survey provided to all eligible City of Hope patients within one to two weeks of their treatment occurrence. Raw data from the answers to the survey questions about our physicians are calculated by Press Ganey into a one- to five- star rating. In the spirit of transparency, all patient comments are posted as written by the patient, whether they are positive or negative. We only exclude comments if they are deemed to be slanderous or libelous, contain profanity or vulgar language, or do not relate to the patient's experience with the doctor involved. As a result, the comments are the views and opinions of the patients surveyed and are not endorsed by, and may not necessarily reflect the opinion of, City of Hope.
Mar 18, 2026
5.0
"Everyone from the Greeters to the Care Givers are totally engaged with the treatment and concerns of their patients."
Feb 15, 2026
5.0
"Very happy with everyone I came in contact with..."
Feb 15, 2026
5.0
"Dr Gellhaus was very kind and respectful to me. Showed great concern with my result..."
Jan 26, 2026
5.0
"Good"
Jan 26, 2026
5.0
"Good"
Jan 26, 2026
5.0
"Great experience."
Dec 31, 2025
5.0
"Excellent!"
Nov 3, 2025
5.0
"My entire experience was excellent and very reassuring I am in the right place. Dr. Gellhaus was very caring and attentive, but also gave me real confidence in him. His staff are all very caring."
Oct 11, 2025
5.0
"He has exceptional knowledge about his field of experience. He communicates the risk as related to time"
Oct 7, 2025
5.0
"Everyone was excellent, I am blessed to take this journey with them"
Sep 23, 2025
5.0
"Best Place to Ease Your Worries"
Sep 5, 2025
5.0
"Good"
Sep 5, 2025
5.0
"Good"
Sep 2, 2025
5.0
"I'm very happy with the service and the people are all friendly"
Aug 26, 2025
5.0
"Dr Gellhaus is a great doctor and I trust him. He's always straight with you so you know where you stand."
Aug 26, 2025
5.0
"City of Hope is a great place they do good things for people I appreciate them and I'm glad they're on my team."
Aug 20, 2025
5.0
"Everyone that works here are excellent in provide care to their patient. Very professional and great customer service"
Aug 18, 2025
5.0
"I have recommended my provider already"
Aug 12, 2025
5.0
"Appreciate Dr Gellhaus. Good listener. Compassionate. Easy to talk with."
Aug 2, 2025
5.0
"Excellent"
Aug 2, 2025
5.0
"He was easy to talk with, answered any questions we had, explained my diagnosis and treatment options to our satisfaction. He was present with us and focused on our needs in light of his very busy schedule. Felt valued and heard."
Jul 30, 2025
5.0
"I would highly recommend City of Hope to family and friends."
Jul 30, 2025
5.0
"Explained each option and why it would or would not be recommended. Explained the recommended option/surgery in detail. Very personable and professional."
Jun 23, 2025
5.0
"Good"
Jun 23, 2025
5.0
"Good"
Jun 11, 2025
3.8
"Dr. Gellhaus individually was great to work with, showed empathy and compassion."
Jun 8, 2025
5.0
"Dr. Gellhaus was very thorough and pleasant. He answered all of my questions with thoughtful and comprehensive responses."
Jun 3, 2025
5.0
"This was the first doctor to truly give us detailed answers and talked through every question and concern we had. We would absolutely travel back to see him again. Thank you!!"