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Your Partner in Recovery and Wellness

Changing Lives with Physical Therapy

    What to Expect at Munger Physical Therapy

    Trusted care for our community for more than 16 years.

    Munger Physical Therapy is a family-owned practice serving the community since 2008, with locations in Fort Gratiot, Clinton Township, and Marysville, Michigan. Over the past 17 years, we’ve grown to three clinics and a team of skilled therapists dedicated to helping patients move better and feel stronger. Our close-knit team combines expertise with a fun, supportive atmosphere that inspires both clients and colleagues to achieve their best. Specializing in Orthopedics and Sports Medicine, we provide personalized treatment plans to help you recover, rebuild, and return to the activities you love.

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    How We Treat Physical Therapy

    Physical Therapy

    Helping you recover, move better, and live stronger with personalized physical therapy care.

    McKenzie Method

    McKenzie Method (MDT)

    Reduce pain and improve function using proven, patient-driven spine and joint techniques.

    Hand Therapy

    Hand Therapy

    Restore strength, flexibility, and function in your hands and wrists with targeted therapy.

    Kinesio Taping

    Kinesio Taping

    Support muscles and joints, reduce pain, and speed recovery with therapeutic taping.

    Custom Orthotics

    Custom Orthotics

    Improve balance, comfort, and alignment with custom orthotics tailored to your feet.

    Dry Needling

    Dry Needling

    Release muscle tension and trigger points to promote faster healing and pain relief.

    Myofascial Release

    Myofascial Release

    Relieve tension and improve mobility through gentle, hands-on soft tissue therapy.

    Infared

    Infrared

    Boost circulation, reduce inflammation, and ease pain with soothing infrared treatment.

    Biomechanical Assessments

    Biomechanical Assessments

    Identify movement imbalances to enhance performance and prevent injury.

    Sport Specific Therapy

    Sport-Specific Therapy

    Optimize strength, endurance, and flexibility to help you perform at your best.

    Meet Our Team

    Marcus Munger

    Markus Munger

    PT, Cred. MDT

    Marcus opened Munger Physical Therapy in 2008 and brings over 30 years of experience to his practice. A University of Michigan–Flint graduate, he specializes in biomechanics, orthotics, and myofascial release to help patients move with ease. Passionate about orthopedic care, Markus is dedicated to improving mobility and quality of life for every patient.

    Marcus Munger
    Jim Achatz

    Jim Achatz

    PT, Cred. MDT

    Jim has over 20 years of experience as a physical therapist and is passionate about helping patients overcome challenges and achieve lasting results. He has treated a wide variety of conditions, including joint replacements, sports injuries, neurological disorders, and spinal care. With expertise in manual therapy, biomechanics, and certification as a Mulligan practitioner, Jim is committed to restoring movement and improving lives.

    Jim Achatz

    Hear From Our Patients

    Wouldn’t trust anyone but Mungers Physical Therapy ! Very knowledgeable , professional, caring staff. Lisa greets you with a smile . Jim treats you as if you’re his only patient. Taking time to really listen to you and implementing a program that is effective. They make you feel like family.
    The whole team at Munger physical Therapy were fantastic! Professional, knowledgeable, kind & caring. Would recommend 💯%
    The staff at Munger Physical Therapy are wonderful! They are experienced, knowledgeable, caring and supportive. They take a valid interest in their patients. And make you feel comfortable during treatment. I've received PT care from Munger for years as well as my family members. I would highly recommend them if you are in need of physical therapy.
    They are all so friendly and are committed to helping you through the pain. I would recommend them to anyone needing PT!
    ⭐️⭐️⭐️⭐️⭐️ Dr. Ashatz is absolutely incredible! He treated my son Ashton’s foot sprain with so much care and expertise. From the moment we walked in, he was warm, personable, and made Ashton feel completely at ease—he even had him laughing through the whole visit! That level of compassion and bedside manner is rare these days. Dr. Munger went above and beyond, and we left feeling grateful and confident Ashton was in the best hands possible. I would recommend him to every single person I know and shout his name from the rooftops—this is the doctor you want caring for your family!
    The staff was very friendly, accommodating, and knowledgeable! They helped improve my pain level and gave me tools to help any future pain with my problems. I’m very grateful and appreciative for the staff and their hard work!
    Physical Therapy with Jim and other therapists at Munger Physical Therapy is the best I’ve ever experienced. I’m 82 and have many sessions of PT through the years I particularly liked their focus on the spine. At each session, they would re- evaluate one’s needs. I also appreciated the hands on therapy at each session. They are fantastic. My needs have been met and I highly recommend this group. You will be happy you choose them.
    This is definitely the place you want to go for physical therapy. Jim Achatz is highly skilled at his craft. While that is always the priority you look for, he also is a great listener, shows empathy for your injury, and also has a great sense of humor. His excellent work ethic and personality flow to the rest of the staff at this facility. If I didn’t have Jim working with me, Anne was there. She also is excellent with her treatment and makes you feel instantly very comfortable with her. She gives the best massage too! There is not anyone at this facility that doesn’t make you feel welcome whether it is Lisa at the reception desk or the interns that work with you on your exercises. I came to this facility 10 weeks ago not knowing if I was going to have full range of motion again with my shoulder. Today I left confident that I can do anything I want to do.
    I was a patient recently at Minger after having a hip replacement. This is the best physical therapy facility I have ever been to. Jim and his staff are very knowledgeable and friendly. I especially want to give a shout out to my favorite therapist, Linda. She was Awesome and really listened to my concerns and helped change my treatment to fit my individual situation so I received the most out of each session. She is a therapist who truly cares for her patients and I was very blessed to have her treating me. Thank you Jim and Linda for your care that has gotten me he where I am today. I can honestly say that without you two I would not have the opportunity to dance at my wedding next month. I will forever be grateful.

    Teri Brune
    Great place to go for physical therapy. Very professional and caring! So glad I found this place and I highly recommend it!
    Everyone at Munger PT in Clinton Twp is awesome! From ease of making appointments to the professional, thoughtful treatment plans, personable PTs and aides to follow up care , was so appreciated . I had PT on both knees after replacement surgeries. I am super pleased with my recovery results. I cannot recommend them highly enough.
    Jim Achatz is a miracle worker! My 13 year old daughter had a horrible knee injury resulting in months of physical therapy. Jim was the only one that could get through to her. He not only helped her recover but helped her mentally deal with her injury and recovery. She's back to running and high jumping and has an exercise plan to help her.
    What a team!! Let me start with the first person you see, Lisa. She was so welcoming. Her big smile made me feel so comfortable! Even when she was telling me how much I owe I felt like I was having a discussion with a friend. What a wonderful person to have welcoming new and returning clients.
    Next, was Wyatt. What an amazing young man! He always had a smile and great conversation. So much so I didn't realize how hard he was making me work. He is such an asset to this company!
    While i didn’t have Anne as a therapist, she was also very friendly. She always had a “hi Shannon” for me. I would hear her clients talk about how amazing she is.
    Julie!!! She was recommended to me from my homecare PT, and now I know why. I could have gone to a closer location but I am so glad I didn’t. Julie is absolutely amazing! She made me feel special! She worked me so hard, but I always felt it was because she cared. I wanted to do the work and make her proud, she is that good! I had some setbacks and she never stopped encouraging me. She never stopped believing in me. She worked me hard and then she would have a conversation with me about not being so hard on myself. She was my therapist in more ways than one. I feel absolutely blessed that I was able to work with her, and I cannot begin to tell you all how lucky you are to have her!
    This is such an amazing team of individuals! I actually feel sad that I won’t be seeing them every week!
    Sincerely, Shannon Spezia
    I had a complete knee replacement, and did my P.T. there, I would highly recommend them, from Jim, Julie, Anne, Wyatt, and lisa who runs the front .....great group, and a
    very caring and nice atmosphere......
    Munger PT helped me overcome a herniated disc on two separate occasions. Jim is thoughtful in his treatment, listening to his patients and tailoring the treatment plan to align with patient goals. Both times, he has helped me return to an active lifestyle that otherwise I may have lost. Lisa, at the desk, is always a cheerful face and very helpful as well. I’m extremely grateful for their services.
    I had been suffering from low back pain for longer than I care to remember.
    Thanks to Jim and the entire staff at Munger PT. Because of your knowledge, experience and caring, I am now pain free and doing things I haven't done in years.
    Thank You
    I was glad that I was referred to Munger after my hip replacement. Everyone was very helpful. The treatments got me back to moving around and increasing my motion. I will recommend them to anyone in need. Friendly and knowledgeable staff that care.
    I had such a great experience. I am a physical therapist myself and I am super picky with who I let work on me. I went in with severe pain in my neck and finished after 8 sessions with zero pain. My therapists were Jim and Anne, everytime I left I felt better than when I came in. The manual therapy provided was amazing and helped with the pre-existing conditions I had. I highly recommend if you need Physical Therapu, reach out to Munger Physical Therapy.
    I would highly recommend Munger Physical Therapy in Clinton Township! When I initially walked into their office, I could barely walk and was not able to stand up straight. The staff was incredibly kind and listened to what was bothering me. In order to get me back on my feet and live my life, they worked together to come up with a plan of action. Jim, Anne, Julie, and Linda were great! As my symptoms changed, they were flexible and came up with appropriate exercises to ease my constant pain. Upon arrival, Wyatt, Evelyn, and Lisa were very welcoming. They also guided me as I worked through my exercises. Overall, the environment was a positive one, that encouraged me and made me smile every time that I walked through their door!
    Best PT facility in the area!! I was in a severe car accident three years ago. I started PT shortly afterwards. The first place I went to helped with some aspects but was not treating all my pain and issues. I appreciated how friendly everyone was at Munger. I saw Jim and Anne. I appreciated how they both listened to me and sought understanding of how I was feeling and worked on everything as a whole not just addressing my back or foot but recognizing and explaining that everything is connected. They weren’t treating five other people at the same time as me and again took time to get to know me and my issues. I have referred many others to this facility and all have agreed it was the best PT they have experienced! After going for so long I feel like they are family! I will be stopping into visit!!

    Ready to Move Better, Heal Faster, and Live Stronger?

    Take the first step toward a healthier, pain-free you.

    At Munger Physical Therapy, we provide personalized care to help you recover, manage pain, and reach your goals. Let our expert team guide you back to the activities you love—schedule your appointment today.

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