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Physician Assistants

Lee Y. Parsons, PA-C

Lee Parsons | Urology Associates


Care Team: Dr. Snyder

Lee has been with Urology Associates since November 2007 and works exclusively with Dr. Stanley Galansky. She has lived most of her life in the Denver area, graduating from Overland High School. Lee graduated from Creighton University in Omaha, Nebraska, where she also received her commission as a second lieutenant in the United States Army.

She served in the engineer branch with assignments in Fort Leonard Wood, Missouri, Fort Lewis, Washington, and Fort Carson, Colorado. After leaving the military, Lee furthered her education and graduated from the Child Health Associate/Physician Assistant Program at the University of Colorado Health Sciences Center in 2006. Prior to joining Urology Associates, Lee worked in ambulatory pediatrics concurrently with emergency medicine in Houston, Texas.

For over a decade, Lee has valued the trust patients place in her and Dr. Galansky’s hands. She takes time to stay up to date on the best practices in urology, helping to provide the highest level of patient care. Seeing a familiar face puts patients at ease, and she is honored to have taken care of many patients of all ages over the years.

The highlight of her day is knowing a patient’s health has improved after the care her team has helped provide. In her free time Lee enjoys being with her husband and family, traveling all over the world, and enjoying the Colorado outdoors.

Anna Willis, PA-C

Anna Willis, PA-C | Urology Associates | Denver, CO
Care Team: Dr. Eigner

Anna joined Urology Associates in 2014 and works exclusively with Dr. Edward Eigner. She received her Bachelor of Science in Dietetics and after working as a nutrition counselor for several years she decided to return to school to pursue a career as a physician assistant. Anna graduated from the Child Health Care/Physician Assistant program at University of Colorado in 2012. She is board certified and is currently a member of the American Academy of Physician Assistants and the American Urological Association.

Anna began working in urology soon after graduation and thoroughly enjoys this field of medicine. She strives to be an advocate for our patients and their healthcare. Anna believes in the importance of providing education and is diligent in answering the questions of our patients.

Although Anna is originally from Montana, she feels that Colorado is now home. She loves the mountains and spending time in the beautiful outdoors with her family, friends and two black labs. She and her husband welcomed their daughter from China in 2013 and are thankful everyday for the increased joy she has brought into their lives.

Caitlin Ellis, PA-C

Caitlin Ellis, PA-C | Urology Associates


Care Team: Dr. Cowan

Caitlin joined Urology Associates in the winter of 2015 working alongside Dr. Cowan. She is a Colorado native, born and raised in southwest Denver. She graduated from John F. Kennedy High School and went on to earn her Bachelor of Science in health and exercise sciences, with an emphasis on sports medicine, at Colorado State University. She went on to earn a master’s degree in physician assistant studies in 2013 from Grand Valley State University and is board certified by the National Commission on Certification of Physician Assistants.

Caitlin started her career right here in Colorado working in family medicine, which allowed her to build her clinical knowledge. She strives to have a strong, trusting relationship with her patients, and advocates for them in their healthcare needs. She is excited to now be working in a specialty that provides new challenges and great patient interaction.

Caitlin is glad to call Colorado her home and loves spending time and traveling with her husband and two sons.

Jakob Graff, PA-C

Jakob Graff | Urology Associates | Denver Metro
Care Team: Dr. Bell

Jakob joined Urology Associates in August of 2016 and works alongside Dr. Bell. He attended undergraduate and graduate school in New York, then graduated summa cum laude from Rochester Institute of Technology’s Physician Assistant Program. He is board certified by the National Commission on Certification of Physician Assistants.

Jakob is excited to be working in urology and strives to provide excellent care and personal commitment to all patients. He looks forward to a rewarding career with a group of dedicated and talented peers.

Jakob is new to Colorado and has been enjoying the everlasting sunshine. In his free time, he can be found outdoors hiking, snowboarding or playing disc golf.

Elizabeth Kelly-McKnight, PA

Elizabeth McKnight PA | Urology Associates | Denver, CO
Care Team: Dr. Eigner

Elizabeth (Liz) Kelly-McKnight is a board certified physician assistant who joined Urology Associates in January 2019 when the Denver Urology Clinic team joined Urology Associates. She completed her undergraduate degree in psychology with a minor in biochemistry and a certificate in neuroscience at the University of Colorado at Boulder. She worked at Bonfils Blood Center/Laboratories at Bonfils as a phlebotomist and in their organ transplant lab. She then worked at The University of Colorado Health Sciences Center in the HIV Research Lab.

Liz attended the University of Florida School of Medicine in the Physician Assistant Program, receiving her master’s degree in physician assistant studies in 2013. She has been working in urology since graduation and loves the field because of the opportunity to make a real impact in patients’ quality of life.

Liz has lived in Colorado since 1991 and has lived in Denver with her husband Tim since 2005. She enjoys running, cycling, and spending time with her husband and son. She loves the many wonderful opportunities Colorado has to offer.