About Great Life Medical

Great Life Medical specializes in  musculoskeletal condition at its Long Beach, California, facility. The skilled team of integrated medical professionals offers a variety of effective non-operative solutions for a variety of conditions such as low back pain, neck pain, knee pain, shoulder pain, elbow pain, wrist pain, nerve and other associated conditions.

The Great Life Medical Team helps patients overcome chronic pain that is holding them back from living a pain free life. Our team strives to get each and every patient to a whole new level of wellness by treating underlying issues without the use of drugs such as opioids, steroid injections, and needles surgery.

In addition to plasma rich platelets injections we also offer trigger point injections, functional corrective exercises or rehabilitation, chiropractic care, nutritional therapy and weight loss to help patients feel their best. 

Our team at Great Life Medical is now welcoming new patients. Use the online appointment scheduling tool or call the office to set up an appointment in the Long Beach office today.

Great Life Medical | Featured on 2021 Expertise.com Bests!

Top Long Beach ChiropractorsTop Long Beach Chiropractors


Services Offered


Interested in feeling your best and getting back to the activities you love?

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Human Cellular Tissue and moreā€¦



How to Improve Posture

Good posture is actually important for good health. 3 ways to help you improve your posture and the benefits


The sciatic nerve is the largest and widest single nerve in the human body. The sciatic nerve runs from the low back to the foot.

Meet Our Team

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James Calder

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Lisa Smalling

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Michelle Zarzana,
D.C. C.C.S.P.

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Office Manager/Biller




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Words from our patients

  • Google

    "Office staff were great and listened to all of my needs. Dr. Zarzana was Outstanding."

    Robyn S.
  • Google

    "Dr. Zarzana is very thorough when it comes to identifying what and where the problem is and what should be done to take care of it."

    Sage M.
  • Google

    "I have tried others but Dr Z and her staff provide a service level head and shoulders above other offices."

    Andrew D.
  • Google

    "Very organized process to ensure social distancing, staff was so helpful and professional."

    Kathleen M.
  • Google

    "Dr. Z and her staff provide the highest quality chiropractic and massage services. And, Dr. Z has the most amazing bedside manner ever!"

    Sharon G.
  • Google

    "She is knowledgeable, and compassionate. She genuinely cares. Also, her staff is wonderful, and the massage therapists are amazing!"

    Christine E.
  • Google

    "Dr Z will go above and beyond to help relieve your back pain and help you learn how to strengthen your body so it doesn’t happen again."

    Amanda C.
  • Google

    "Dr. Z was an amazing, caring practioner and friend. Best treatments ever! She cares immensely for her patients."

    Soraya M.
  • Google

    "Everytime I go in for treatment I feel like I'm treated like a VIP because that's how Dr Z treats all of her patients."

    Tamara M.
  • Google

    "Dr. Zarzana and her trained staffed are very reliable in taking care of my chiropractic and pain needs."

    Daniel B.
Great Life Medical
1777 N Bellflower Blvd, Ste 109
Long Beach, CA 90815
Phone: 562-685-8251
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