Our Team

Robert E. Blackwelder, MD

Dr. Blackwelder is a board certified urologist with over 44 years of experience. He earned his medical degree at the University of California, Irvine School of Medicine. He completed his internship at Harbor General Hospital in Torrance, California and his residency at the University of California, Irvine Medical Center in Irvine, California.

Dr. Blackwelder has been practicing in Ukiah since 1977. He has been an active medical staff member at Ukiah Valley Medical Center and previously at Ukiah General Hospital. He gives every patient his full attention while exploring the best treatment options.


Joanne LaMonica, MD

Dr. LaMonica is a board certified urologist with 20 years of urology experience. She earned her medical degree at State University of New York at Syracuse, New York and then went on to complete a surgery internship at Mount Sinai Hospital in New York, NY. She then completed two residency program in urology from Departments of Surgery and Urology at Syracuse, NY, and Department of Surgery, Division of Urology, University of Cincinnati, OH.

Dr. LaMonica brings extensive skills in performing minimally invasive, advanced laparoscopic procedures. She cares for both men and women suffering with conditions of the urinary system.


Martha Kilkenny, FNP

Martha Kilkenny is a family nurse practitioner specializing in urologic care. She is a graduate of Stanford University Physician Assistant/Family Nurse Practitioner program. She has been providing care in the urology department for 18 years.


Bonnie Henderson, FNP

Bonnie Henderson is a family nurse practitioner with a focus on urologic care. She is a graduate of Stanford University’s Physician Assistant/Family Nurse Practitioner program. Bonnie has been working in the urology practice for the ten years. Prior to that she held positions in Family Practice and the Emergency Department.