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Welcome to Acute Care Chiropractic
Your Mason City Chiropractor

For more information or to schedule an appointment with our Mason City chiropractor, call 641-423-4455 today!

Chiropractic care is more than just making your pain disappear. But, we know that is your primary concern when you call us for an appointment.

Located by Mercy North Iowa hospital in Mason City, Acute Care Chiropractic is owned and operated by Dr. Greg Shirk. Dr Shirk focuses on your number one concern "Pain Relief ". Dr. Shirk's mission statement is to try and see patients the fewest number of times, at the least amount of money and get the best results.

This website offers you the chance to learn more about the doctor, what chiropractic is, what to expect when you come for an appointment, ect. If you place the curser over the tabs listed above it will activate drop down menus on a variety of topics, or educational videos on a number of conditions that chiropractic can help. There is even information on debunking some of the most common myths or misconceptions concerning chiropractic.

This website is designed so you can take your time, explore and learn about chiropractic without being afraid that you will ask a silly question. I believe the only silly question is the one not asked. This site will answer many of your questions. If you do not find it here feel free to write your question on our e-mail page under the "Contact Us" tab and I will write you back.

Thank you for visiting this website. I look forward to helping you!

Dr. Greg Shirk

Mason City Chiropractor | Acute Care Chiropractic | 641-423-4455

630 1st Street NW
Mason City, IA 50401


Voted 2015’s best Chiropractor in Mason City
for Chiropractic treatment and
services as reviewed by patients.
Verified by

Office Hours


7:00 am-5:30 pm


7:00 am-5:30 pm


7:00 am-5:30 pm


8:00 am-12:00 pm


7:00 am-5:30 pm





Meet the Chiropractor

  • Dr.

    Dr. Shirk has been freeing people from pain since 1995 in his clinic in Mason City, IA. As a chiropractor with 23+ years of experience, Dr. Shirk is committed to promoting the health and well being of his patients.

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Reviews From our Satisfied Patients

  • "A friend recommended Dr. Shirk. I hesitated because I thought he would be like the others. I am glad I took the chance. He examined me and even without an x-ray was able to explain to me in terms I understood what was wrong. He was able to give me lasting relief in four or five treatments."
    - Kevin Wallace / Mason City, IA

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