Our Team

  • Dr. Michael Lenarz

    Dr. Michael Lenarz practices at Health First Chiropractic, in Seattle, and in Sedro-Woolley, WA.  He has been in practice for 27 years.  The primary focus of his care is utilizing a technique known as Blair Upper Cervical Chiropractic.  This technique is designed to balance the spine and promote health with precise and gentle adjusting.  It is a powerful healing modality.  Michael is certified at the Advanced Instructor Level by the Blair Upper Cervical Chiropractic Society.

    Dr. Lenarz authored, The Chiropractic Way, (Bantam Books, 2003).  This was the first introductory book about chiropractic, produced by a major publisher, in the history of the chiropractic profession.

    He earned his Doctor of Chiropractic degree from Sherman College of Chiropractic in 1987 and he completed the Blair Chiropractic Primary and Advanced Trainer Certification in 2007.  He was chosen as Chiropractor of the Year for the Blair Society in 2003. He was also awarded Chiropractor of the Year from Sherman College of Chiropractic in 2012.

    Lenarz is founder of The Seattle Upper Cervical Research Institute, and Health First Chiropractic, with four offices throughout Washington State.

    Lenarz serves on the Board of Directors of the Blair Upper Cervical Society, and is a member of the Washington State Chiropractic Association, Sherman College of Chiropractic Alumni Association, and Sherman College Board of Regents.  He is past Chairman of Sherman College Board of Trustees.

    He received the B. J. Palmer Philosophical Distinction Award at his Sherman graduation.

    For more information on Dr. Michael you can go to drmichaellenarz.com rz.com.

  • Sheila
    Accounts Manager

    Sheila Neill grew up in Gillette, Wyoming. She moved to Washington in 1991 to be closer to family. Sheila started working for Health First Chiropractic in 1999 at the Sedro-Woolley office. Her favorite part of the job is interacting with the practice members. Her hobbies include playing with her granddaughter Alice, snowmobiling, and boating. She also enjoys her horses and dogs.

  • Mary
    Front Desk CA

    Mary Estes grew up in Central Mississippi.  She earned her BS in Psychology from Judson College in Alabama, and is a certified, Full-Spectrum Doula, Childbirth Educator, and Lactation Counselor.  She loves to travel and has lived in various places around the world with her family, finally planting roots in Sedro Woolley in 2015.  Her favorite hobbies include gardening, sewing, crafting, dancing, reading, and learning new things.  She joined the Sedro Woolley Health 1st team in 2018, and enjoys meeting and getting to know the practice members. 


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Office Hours

Our Regular Schedule


9:00 am-5:30 pm




9:00 am-5:30 pm






8:00 am-11:00 am




Reviews By Our Satisfied Patients

  • "I was treated well and listened to. I feel Dr Lenarz does what is needed and nothing more, meaning he does not over treat or adjust. I am very satisfied with the results of my treatment."
    John Vanderwalker
  • "Dr. Lenarz is great to work with. Very caring and attentive. Having been to other chiropractors I appreciate his chiropractic approach and it works for me in gaining relief."
    Heidi A Longnecker
  • "Been going for 5years now when I started I was crippled to the point I was unemployable now I run my own construction company and graduating from welding school thank you Dr"
    Eli Peek