Our 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.
Dr. Sasha Rose, ND
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
Dr. 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
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
Christina Cadden, FNP-C, APRN, MSN
Christina Cadden is a board-certified Family Nurse Practitioner with a focused expertise in functional and integrative medicine. With over 15 years in healthcare and extensive training in root-cause approaches, Christina blends advanced clinical insight with a deep commitment to patient-centered healing. She specializes in thyroid disorders, hormone optimization, gut health, Lyme disease, mold illness, metabolic conditions, and chronic fatigue.
Christina earned her Master of Science in Nursing from Purdue University Global and brings cross-disciplinary experience from conventional medical environments and leading-edge functional clinics. At Forum Health Asheville and in collaboration with Dr. Amie Hornaman, Christina has managed complex cases through telemedicine, applying bioidentical hormone replacement therapy (BHRT), GLP-1s for weight loss, and advanced diagnostic strategies such as GI mapping, DUTCH testing, and nutrient panel optimization.
She is known for her collaborative and compassionate approach, using lifestyle medicine, personalized supplementation, and functional lab analysis to empower patients to take control of their health journeys. With her broad background in pain management, ENT, and post-op recovery care, she brings both clinical depth and a holistic lens to every case she handles.
At Med Matrix, Christina offers high-impact care for patients looking to reverse chronic symptoms, rebalance their hormones, and unlock long-term wellness through precision diagnostics and personalized protocols.
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.
Aesthetics Director: Carrie Siefer
Co-owner and cofounder of MedMatrix. Carrie Siefer is a pioneer in the skin care industry and has spent decades perfecting her craft. Her mission is to help people look and feel their very best using the industry’s latest technologies and only the best ingredients in all of her skin care products. She successfully uses her many years experience and knowledge of the medical aesthetic industry to help her clients realize their personal goals.
Today she is well known for delivering results through her unique, individualized approach to skin care in addition to staying up-to-date with the latest solutions in aesthetics Carrie uses her knowledge and personal
experiences with Functional Medicine to treat the person as a whole. She specializes in nonsurgical, noninvasive, procedures that are current and the most cutting edge procedures including Exosomes, Ultherapy, RF Microneedling and biostimulators to help your body renew and repair by making more collagen.
Carrie’s interest in skin care and health began in her early 20s when she relentlessly searched for a solution to help treat her cystic acne. After trying “everything under the sun“ she took matters into her own hands and discovered what no one was telling her. Healthy skin was a reflection of a healthy body. She learned the power of regenerative medicine, and how harnessing the body’s healing potential could transform her skin, her life. From this experience Carrie is excited to help patients with their skin and health care goals.