See how Med Matrix has helped 2,500+ patients in Maine & New Hampshire!
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Your Health!
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"In Functional Medicine we are focused on not only the number of years you are alive but also the quality of those years"
Act proactively
Treat holistically
Fix the root cause
Feel optimal not average
Wait until you are sick
Mask symptoms with drugs
Take Control Of Your Health NOW
See How 2,500+ Patients In ME & NH Have Taken A Personalized Approach To Their Health Using Functional Medicine
"POV: Your First Visit at Med Matrix!"
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What's in the practice guide?
Pricing information
Testing catalog
Process & timeline
Patient testimonials
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The difference between Functional Medicine at Med Matrix and Conventional Medicine?
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Med Matrix is a leading functional medicine office located in South Portland Maine!
198 Maine Mall Rd
Testimonials
Carla
Pain free with energy after being left hopeless by her normal doctor!
Steve
Energized, strong & on the right track with his health after struggling with his PCP
Barbra
Back in the gym losing weight and more clarity around her health
Mark
Frustrated with normal doctors pushing pills and is happy with a team that listens! Now Mark has his energy back!
Heather
"Feeling like herself again from 10 years ago" with clarity around her health!
Eric
Recovering faster and no more joint pain. Just ran 8 miles after not being able to run!
Connie
No more hip pain and is golfing again with more energy!
Brian
Feels in control of his health with preventive medicine. Recently signed up for an
Iron Man!
Leanne
More energy and focus at work with Ozone therapy!
Cat
Feels like herself again after going through menopause and being gas lit by her conventional doctors. (better mood, losing weight, more energy)
Ryan
Was feeling the effects of aging but now is gaining muscle and losing body fat using TRT with more energy.
Laura
More energy and has gotten off her pharmaceuticals.
Kim
Losing weight and building muscle. Is able to roll around with her grand kids again!
Ian
More energy, better recovery with peptides.
Victoria
Cured her graves disease and is almost back to 100%.
Sam
More energy, motivation and mental clarity with peptides.
Andrew
More muscle and less pain with TRT and stem cells.
Jeff
Primary said it was just part of getting older but that wasn't good enough for Jeff.
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Team and Mission
At Med Matrix, we are committed to providing personalized, patient-centered care that addresses both the inner and outer health of our patients. Using cutting-edge treatments and therapies, we aim to optimize health and prevent disease. We believe that optimal health and well-being are within reach for everyone. Our health is the main driver in quality of life, we are here to be your partner in vitality."
Doctor Paul Laband, MD.
Dr. Paul Laband is a board-certified Internal Medicine physician with over 25 years of experience in primary care, hospital medicine, and hospice and palliative care. Known for his systems-level thinking and patient-centered approach, Dr. Laband has held numerous leadership roles throughout his career, including Chief Resident at Maine Medical Center, Medical Director of multiple organizations, and advisor to digital health startups like DeepScribe and Fruit Street Health.
He earned his MD from Tufts University School of Medicine and completed his residency and chief residency at Maine Medical Center. Dr. Laband’s background includes practicing in diverse settings from rural Maine to Napa Valley, where he served as Associate Medical Director for Primary Care and Hospice Medical Director at Collabria Care. He also co-founded HippocratesVC, the world’s first physician-funded social impact venture capital firm focused on digital therapeutics.
With expertise in complex chronic illness management, end-of-life care, and healthcare innovation, Dr. Laband brings both deep clinical knowledge and visionary leadership to Med Matrix, helping patients navigate their health with clarity, compassion, and precision
Dr. Sasha Rose
Dr. Sasha Rose is a licensed Naturopathic Doctor and Acupuncturist with nearly two decades of clinical experience and a national reputation for her expertise in digestive health and functional medicine. A published author and educator, Dr. Rose specializes in the treatment of gut-brain connection issues, SIBO, and complex chronic conditions using advanced lab testing, lifestyle medicine, and targeted nutraceuticals.
She earned her Doctorate in Naturopathic Medicine and Master of Science in Oriental Medicine from the National University of Natural Medicine and has trained extensively in mind-body therapies and functional diagnostics. As the Medical Director of Wildwood Medicine in Falmouth, Maine, she has led a multidisciplinary clinic with a focus on individualized care and evidence-based therapies.
Dr. Rose is a member of the Forbes Health Advisory Board, where she provides insights on integrative health, aging, and wellness trends. Her deep commitment to the art and science of healing makes her an invaluable part of the Med Matrix team, where she continues to help patients reclaim their health and live more fully
Functional Medicine Provider: Gabriel Rocha, PA-C, MMSC, IFMCP
Gabriel A. Rocha is a highly skilled and passionate Physician Assistant with over 14 years of experience in integrative, functional, and internal medicine. Certified as a Functional Medicine Practitioner by the Institute of Functional Medicine (IFMCP), Gabriel has dedicated his career to addressing the root causes of health issues and optimizing patient well-being. His expertise spans advanced diagnostics, chronic disease management, and innovative therapies that blend cutting-edge science with a personalized approach.
Gabriel holds a Master of Medical Science degree from Yale University, where he also completed a prestigious international research fellowship. He has completed advanced training in hospitalist medicine, geriatric care, and regenerative therapies, further enriching his skill set. Throughout his career, Gabriel has demonstrated exceptional proficiency in managing complex medical conditions, including metabolic disorders, autoimmune diseases, neuropsychiatric conditions, and hormone imbalances.
With a background as a U.S. Navy officer specializing in sports medicine, Gabriel brings unparalleled leadership and resilience to his practice. His military service honed his ability to deliver high-quality care in high-pressure environments, skills he continues to apply in clinical and functional medicine settings.
Gabriel’s passion for functional medicine is evident in his expertise in advanced lab testing, bioidentical hormone replacement therapy, and cutting-edge regenerative treatments like stem cell therapy and neurofeedback. Fluent in Spanish, he is dedicated to providing culturally competent care and fostering trust with patients from diverse backgrounds.
At Med Matrix, Gabriel is excited to bring his holistic, patient-centered philosophy to help individuals achieve optimal health and longevity through innovative and integrative treatments.
Collin Dees, MPAS, PA-C
Collin Dees is a dynamic and deeply dedicated Physician Assistant with a passion for root-cause medicine and optimizing human health. With a strong foundation in surgical and functional medicine, Collin has experience spanning multiple specialties including orthopedics, general surgery, bioidentical hormone therapy, and advanced diagnostics. Currently, he oversees the care of over 350 concierge patients across Florida and Montana, offering personalized health optimization strategies that include hormone balancing, gut healing, peptide therapy, and metabolic health interventions.
Graduating summa cum laude from Seton Hill University with a Master of Medical Science, Collin was drawn early on to functional medicine, attending IFM’s Applying Functional Medicine in Clinical Practice and completing advanced coursework in hormone replacement through Neal Rouzier’s BHRT Seminar Series. His holistic, education-driven approach empowers patients to take control of their health and vitality.
Collin has also authored three nutrition-focused eBooks, reflecting his commitment to continuous learning and innovation in patient care. At Med Matrix, he brings a relentless drive to help patients reach their highest potential through precise diagnostics, cutting-edge therapies, and compassionate coaching
Dr. Colin Renaud, DC, DNM, MS, PA-C, FAAMFM, ABAAHP
Dr. Colin Renaud is uniquely board certified in medicine, natural medicine, and chiropractic medicine. He practices functional medicine, wellness and regenerative medicine in order to achieve individualized health and wellness for all patients.Dr. Renaud received a Bachelor of Science degree in biology, with a minor in chemistry, from Worcester State University in Massachusetts in 2011. Interested in functional medicine, structural health and primary care, he went on to attend the University of Bridgeport in Connecticut, and received a Doctor of Chiropractic Medicine (DC) degree as well as a Master of Science (MS) degree in human nutrition in 2016.Interested in providing more comprehensive conservative and medical care, Dr. Renaud pursued a second Master of Science degree in Physician Assistant Studies (MSPAS) from Lenoir-Rhyne University in North Carolina in 2019. Combining a medical degree with his experience in functional, structural and nutritional health, Dr. Renaud’s expanded clinical scope of practice provides an enhanced, personalized level of care that addresses all aspects of an individual patient’s needs.Dr. Renaud has treated patients in various integrative healthcare settings and specializes in functional medicine, clinical nutrition, and regenerative medicine. He has provided care to patients with various health issues, such as hormone imbalance, diabetes, metabolic syndrome, cardiovascular disease, Lyme disease and co-infections, mast cell activation syndrome (MCAS), chronic inflammatory response syndrome (CIRS), and autoimmune conditions. Dr. Renaud makes a point to attend a variety of functional medicine and nutritional health seminars in an effort to remain well informed of the rapidly changing techniques and protocols available to patients. His approach to wellness assures that he is well equipped to assist patients in achieving their wellness goals as well as maintaining good health. Clinical interests include: nutritional medicine, preventive care, hormone health, longevity, food policy, endocrinology, mast cell activation syndrome (MCAS), Lyme disease and co-infections, food sensitivities/allergies, digestion/gut disorders, regenerative medicine, IV vitamin therapy, supportive oligonucleotide technique (SOT) and ozone therapy. He’s completed vector-borne fundamentals training with, and is a member of, The International Lyme and Associated Disorders Society (ILADS).Dr. Renaud is a Fellow in Anti-Aging, Metabolic and Functional Medicine, and is a Diplomate of the American Board of Anti-Aging Health Practitioners.