Dr. Nick McColley

Dr. Nick McColley has been a licensed Chiropractor since May 7th, 2008. During that time, he has been freeing people from nervous system interference in his clinic in Clear Lake, IA. As a Chiropractor with experience, Dr. McColley is committed to promoting the health and well being of his patients.

Dr. Nick McColley uses a “whole person approach” when taking care of his patients. By combining the very best hands-on-technique, state of the art X-ray and nervous system procedures, and providing advice on the newest and best natural vitamins and mineral supplements on the market today, Dr. Nick McColley is able to help you to accelerate and/or maintain your journey to good health.

Dr. Nick has been married to his wife Melissa since 2005. They have 2 beautiful daughters, Tenley and Kaia. As a family, they enjoy boating, golfing, bike riding and RZR riding. Nick and Melissa enjoy coaching their daughters in volleyball, softball and basketball.


  •  Palmer College of Chiropractic, Doctor of Chiropractic
  •  Iowa State University, Bachelors of Science in Biology


  •   Doctor of Chiropractic
  •   May 7th, 2008

Memberships & Associations:

  •  Clear Lake Chamber of Commerce
  •  Clear Lake Noon Lions

Vicki – Office Manager

Vicki joined Optimum Health Clinicss in 2008, when we first opened the clinic. She and her husband Brian have made their home in clear Lake since 1987. They raised their two children, Megan (husband Andrew) and Nathan in Clear Lake. They have been blessed with two grandchildren, Vincent and William. I their free time they love to travel and spend time with family.

Kristen, ARNP

Krissy ARNP joined Optimum Health Clinicss in 2021. She received her ARNP from South University in April 2021. She joins the team with over 12 years of nursing experience.

Krissy has been in North Iowa on and off since she was in middle school. She currently lives in Mason City with her husband Jason and kids Christopher and Alexis. She enjoys anything outdoors, traveling and doing mission work, serving as a youth leader, and being with her friends and family as much as possible.

Krissy pursued her dream of becoming an ARNP because she wanted to provide care to her patients in such a way that she could make a difference every day. One of her favorite quotes and inspirations by Mother Thersa is what motivates her work and her vocation. “It’s not about how much you do, but how much love you put into what you do that counts.”

With the addition of Krissy, Optimum Health Clinicss is able to offe rpatients alternative options from pain medications and surgical intervention, such as trigger point injections, platelet rich plasma injections, IV nutrient therapy, human cellular tissue injections and other medical services.


Jacque was born and raised in Clear Lake. Her parents still liver here and she has a sister Nikki and brother Eric, and one niece and two nephews. Jacque resides in Clear Lake with her fiancé Chavyea wilder, with whom she will marry in June of 2022. They have a black lab named Bella, that they enjoy taking on walks daily. Her favorite hobbies include, cleaning, walking, traveling and crafts. She is bubbly and enjoys making people laugh.


Jessica is our Exercise therapist. She has been in this position since 2020 and really enjoys helping people overcome physical hurdles. A native of Charles City, Jessica and her husband moved to Mason City in 2003 and still reside there with their two daughters.