Peter J. Lennarson, MD
I speak: English
My gender: Male
Where I practice
Although my family was originally from New York, I mostly grew up in the Midwest. I graduated from the University of Wisconsin with a Bachelor of Science in pre-medicine and also completed a major in Spanish language which afforded me the opportunity to study and live in Spain during college. Having returned from my European travels and convinced that I wanted to dedicate myself to medicine, I attended medical school at the University of Wisconsin. I then completed my residency in neurological surgery at the University of Iowa. Along the way, I joined the United States Air Force and spent time on active duty as a neurosurgeon, which included a stint in the desert in 2004 in support of Operation Iraqi Freedom as the first Air Force neurosurgeon deployed. After 4 exciting years, I left the Air Force to join the ranks of academic neurosurgery at the University of Nebraska, where among other accomplishments I was medical director of the newly created Spine Center and chief of Neurosurgery at the Omaha VA Medical Center. In 2013, I embarked on a new chapter in my career when we moved to Denver to begin my work at Kaiser Permanente.
About my practice
While having practiced the full breadth of neurosurgery, my work has increasingly focused on the many complicated spine problems from which so many suffer. From outpatient, minimally invasive surgeries to large, complex deformity operations, there is no problem too little or too great that does not interest me. As a surgeon, it is still my hope to help you in non-surgical ways when possible, but I will be committed to developing whatever plan is required to solve your problems. I will respect you as a partner in maintaining your health and will listen and seek to understand your questions and concerns so that we can work together to make treatment plans that meet your needs. You can also gain a better understanding of your health by accessing your medical record, prescription information and lab results at kp.org.
How I thrive
I have a passion for my work and continue to study and learn the science and art of neurosurgery and spine surgery even outside the traditional work environment. I am often engrossed in contemplating a new treatment or surgical procedure and figuring out how I can adopt it to better the lives of my patients. Outside of my profession, I enjoy the Colorado outdoors including hiking, trail running, biking, skiing, fishing and camping. Best of all is when I can combine these activities with my wife and 5 boys.