
Highlights
Age Groups Seen
- Adult 21-65
- Older Adult >65
Languages
- English
Gender
MaleAbout Kenneth R Witmer
About The Provider
Dr. Witmer specializes in treating diseases and conditions of the male and female urinary tract and male reproductive system. He provides both minimally invasive surgical and non-surgical treatment for conditions affecting the bladder, kidneys and reproductive organs. As part of his postgraduate studies, Dr. Witmer served as a clinical research assistant on several clinical studies and published his work in peer?reviewed medical journals. Today, he is an active member of the American Urological Association. Dr. Witmer also has a long history of providing care to the underserved during medical mission trips to Haiti, Dominican Republic and Lesotho in Africa. During these trips he provided services such as surgery, care for malnutrition, screenings and health education.
Provider Type
Physician
Video
Locations
- Adventist Health Castle Specialty Care
- 642 Ulukahiki Street, Suite 103, Kailua, HI 96734
- Get Directions
- phone: 808-263-5009
- Adventist Health Castle Specialty Care
- 46-001 Kamehameha Highway, Suite 102, Kaneohe, HI 96744
- Get Directions
- phone: 808-263-5009
Expertise
Education
- Medical School: Georgetown University School of Medicine
- Internship Program: Medstar-Georgetown University Hospital
- Residency Program: Medstar-Georgetown University Hospital
- Fellowship Program: George Washington University School of Medicine
Board Certifications
- Urology: American Board of Urology, 2022
Ratings & Reviews
4.9 out of 5
383 ratings, 59 reviewsOur providers are at the heart of delivering whole-person care. We encourage patients to share their experiences through a patient satisfaction survey they receive following visits. Provider star ratings are calculated using patient responses to provider-focused questions in this survey. Please see the provider’s star rating and patient reviews below. Thank you for giving Adventist Health the opportunity to support your best health.
- 5 out of 5 starsReviewed on 4/2/2026
Dr. Witmer the best..
- 5 out of 5 starsReviewed on 3/22/2026
Listens very closely and gives appropriate feedback.
- 5 out of 5 starsReviewed on 3/19/2026
Dr. Witmer is both caring and concerned
- 5 out of 5 starsReviewed on 3/19/2026
Dr. Witmer is so easy to talk to and personable. I like him very much. He's like a friend.
- 5 out of 5 starsReviewed on 3/13/2026
As always. I have yet to be disappointed once
- 5 out of 5 starsReviewed on 3/5/2026
I had a serious issue to discuss and the doctor was very open about it.
- 5 out of 5 starsReviewed on 2/27/2026
His questions showed genuine interest. His questions saw me as a person not as a medical interest.
- 3 out of 5 starsReviewed on 2/15/2026
Didn't respond to other lab results, other doctor's messages, etc.
- 5 out of 5 starsReviewed on 2/12/2026
Dr is very caring and personable. He makes a difficult situation easy to understand.
- 5 out of 5 starsReviewed on 1/23/2026
Ken Witmer has a very good and pleasant Dr/Patient demeanor/manner. Very enjoyable visit.
- 5 out of 5 starsReviewed on 1/9/2026
He's the best!!!
- 5 out of 5 starsReviewed on 1/9/2026
Took the time to answer all my questions.
- 5 out of 5 starsReviewed on 12/18/2025
Explained throughly the procedure. Everything was good, from Pre Surgery Nurse Prep, Anesthesiologist, and Dr. Witmer.
- 5 out of 5 starsReviewed on 12/11/2025
Good experience
- 5 out of 5 starsReviewed on 11/25/2025
Dr. Witmer was professional and friendly. He seemed knowledgeable and answered my questions thoroughly.
- 5 out of 5 starsReviewed on 11/11/2025
Dr. Witmer always takes the time to explain everything and listens to my concerns.
- 5 out of 5 starsReviewed on 11/10/2025
I had a lot of questions ans recieved very positive answers to my concerns and choices to make the right decision for me....
- 5 out of 5 starsReviewed on 11/7/2025
Answered my questions with clear explanations
- 5 out of 5 starsReviewed on 11/6/2025
The Dr is a very good listener to resolve any discomfort or pain.
- 5 out of 5 starsReviewed on 10/27/2025
Dr. Witmer was EXCELLENT !
- 2 out of 5 starsReviewed on 10/26/2025
Seemed overly concerned about protecting his practice from perceived wrongdoing rather than working with the patient to resolve certain issues. Assumed a defensive posture. Behavior demonstrates lack of self esteem.
- 5 out of 5 starsReviewed on 10/24/2025
I feel like I can tell Dr Witmer anything. He listens and always responds respectfully.
- 5 out of 5 starsReviewed on 10/17/2025
Dr K. Witmer is an outstanding doctor He's professional, caring, thoughtful, and kind! I would definitely recommend him to everyone. I know that needs his expertise help! Thank you to Dr. Witmer
- 5 out of 5 starsReviewed on 10/17/2025
The care provider took extra time to listen
- 5 out of 5 starsReviewed on 9/27/2025
Doctor Witmer listens very intently and always gives me advice that I appreciate
- 5 out of 5 starsReviewed on 9/19/2025
Felt relaxed and not under any pressure while asking questions and conversing about my care
- 5 out of 5 starsReviewed on 9/12/2025
The best care anywhere!
- 5 out of 5 starsReviewed on 9/8/2025
Dr. Witmer is an excellent urologist and a exemplary communicator. Best Doctor I've seen at AHC.
- 5 out of 5 starsReviewed on 8/29/2025
Dr.Witmer goes above and beyond to help me as a patient and a human being. He makes the patient and family feel comfortable andceducatesvuscss well as answer any questions. He is fabulous !!
- 5 out of 5 starsReviewed on 8/22/2025
Grateful for Dr. Witmer's Outstanding Kidney CareDr. Witmer is truly amazing, and I feel incredibly blessed to have him overseeing my kidney care. His knowledge, compassion, and attention to detail give me complete confidence in my treatment. He takes the time to listen and explain everything clearly, which makes a world of difference. I couldn't ask for a better doctor. Highly recommend!
- 5 out of 5 starsReviewed on 8/21/2025
Dr. Witmer answered all of my questions & concerns to my satisfaction.
- 5 out of 5 starsReviewed on 8/14/2025
Dr Witmer has excellent "bedside manners". He respectfully listens to what you have to say and doesn't appear to rush you to get to his next patient. I would highly recommend him.
- 5 out of 5 starsReviewed on 7/31/2025
Best team that I've had treatment from
- 5 out of 5 starsReviewed on 7/28/2025
Great open and clear discussion with Dr. Witmer that gave me confidence in him and the program he laid out
- 5 out of 5 starsReviewed on 7/28/2025
Dr. Witmer is a very caring, compassionate and knowledgeable doctor.
- 5 out of 5 starsReviewed on 7/25/2025
Dr Witmer is a very knowledgeable urologist. Helpful with recommendations in establishing reasonable care plans. Take the time to get to know his patients.
- 5 out of 5 starsReviewed on 7/25/2025
I really like the Doctor. He is thorough and likeable.
- 5 out of 5 starsReviewed on 7/24/2025
Very knowledgeable and well spoken, Doctor. I learned a lot and I'm looking forward to my follow up appointment.
- 5 out of 5 starsReviewed on 7/20/2025
...not only did Dr. Witmer listened to me, he heard out my wife concerns and questions as well.
- 5 out of 5 starsReviewed on 7/17/2025
Dr. Witmer took his time with us and answered all of our questions.
- 5 out of 5 starsReviewed on 7/4/2025
Dr. Witmer listened to my concerns and explained his thoughts processes and reasoning to come to a diagnosis and treatment for my issue.
- 5 out of 5 starsReviewed on 7/3/2025
Very caring and knowlegable
- 5 out of 5 starsReviewed on 6/29/2025
I will always be willing to recommend this health care provider to others
- 5 out of 5 starsReviewed on 6/20/2025
He is one of the best doctors I've had in my 78 years in answering questions and explaining the meaning of things.
- 5 out of 5 starsReviewed on 6/19/2025
Best Urologist I've ever had. (I'm a 61yr male).
- 5 out of 5 starsReviewed on 6/1/2025
Great services
- 5 out of 5 starsReviewed on 5/31/2025
I had a couple of questions about the type of treatment I was receiving (note that another doctor laid out the treatments I undertook) to help me decide the future of those treatments. I got very straightforward responses.
- 5 out of 5 starsReviewed on 5/30/2025
Provider made me feel comfortable during the office visit. Listened and asked if I had any further questions.
- 5 out of 5 starsReviewed on 5/23/2025
Dr Witmer is an exemplar
- 5 out of 5 starsReviewed on 5/22/2025
I would highly recommend Dr Ken.
- 5 out of 5 starsReviewed on 5/14/2025
Great bedside manner!!!
- 5 out of 5 starsReviewed on 5/12/2025
Dr Witmer was very kind and explained the procedure to me. He was also caring about my situation. He is an excellent doctor.
- 5 out of 5 starsReviewed on 5/8/2025
Very helpful and informative
- 5 out of 5 starsReviewed on 5/8/2025
Good experience.
- 5 out of 5 starsReviewed on 5/5/2025
Pre-opt instructions were comprehensive and responsive to my questions.
- No RatingReviewed on 5/3/2025
Very responsive. Laid me options very well
- 5 out of 5 starsReviewed on 4/25/2025
Doctor easy to talk to
- 5 out of 5 starsReviewed on 4/24/2025
I've actually already referred Dr. Witmer.
- 5 out of 5 starsReviewed on 4/15/2025
Dr Witmer is excellent. Explains thoroughly what's going on. He is also nice and considerate.