MEDMATRIX

Take Control
Of Your Health With Functional Medicine

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  • We only accept a limited amount of patients per week

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Functional Medicine in South Portland, Maine

Avoid pharmaceuticals, be energized, feel mentally clear and prevent disease with Med Matrix.

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Take Control Of Your Health!

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Personalized Health Solutions

Men’s and Woman’s Health

Explore a variety of cutting edge treatments designed to increase your health span.

Men’s Health

Explore a variety of cutting edge treatments designed to increase men’s health span.

  • Vitality
  • Strength
  • Health
Learn More

Women’s Health

Explore a variety of cutting edge treatments designed to increase women’s health span.

  • Vitality
  • Strength
  • Health
Learn More

Med Matrix is a leading functional medicine office located in South Portland Maine!

See How We've Transformed Lives

Elizabeth shares her story with us

Elizabeth shares her story: A woman with curly hair smiles while sitting outdoors. Text reads: "Elizabeth's Testimonial: Feeling Like Myself Again! Losing Weight, More Energy.

Elizabeth Talks About Her Journey with Med Matrix

An older woman sleeps peacefully in bed. Text reads: "Elizabeth’s Med Matrix journey," "Sleeping well without pain & more muscle!" with icons of a YouTube logo and a flexing arm with a heart.

Renee Shares Her Story With Us

A woman smiles beside text reading "Med Matrix Patient Testimonial: Renee shares her personal experience and now feels in control of her health," with a stethoscope and YouTube play button graphic.

Anthony Shares His Journey With Us

Anthony, in a brown hoodie, sits on a couch next to a graphic promoting "Med Matrix," sharing his journey of losing 37 pounds and gaining energy, with a subscribe button at the bottom.

Caleb Shares His Journey With Med Matrix

A man, Caleb, sits and smiles in an office setting. Text on the image highlights his journey of incredible recovery with pain gone and energy restored, thanks to Med Matrix.

Mark Opens Up About His Experience

Mark opens up in a heartfelt testimonial for Med Matrix, sharing his experience of improved energy and better health care with peptides. Text highlights "Mark's Experience," alongside three vials labeled "Peptides.

Carla discusses the positive impact Med Matrix had on her well-being

A smiling woman sits in a chair. Text includes "Best decision I ever made!", "Carla’s Testimonial", "Pain Free & Energized!" with a check mark, and "Feeling Hopeless..." with a sad emoji—showcasing the positive impact Med Matrix had on her well-being.

Steve highlights the difference Med Matrix made in his life

Steve, in a red shirt, flexes his arm and smiles while seated; text beside him highlights the difference Med Matrix has made in his health.

Barbra talks about the changes she experienced

Smiling older woman, Barbra, sits in a gym; text highlights her testimonial about the changes she experienced—losing weight, regaining health, and gaining clarity after returning to the gym.

Heather shares the impact Med Matrix had on her life

A smiling woman with gray curly hair and glasses sits and gestures beside text about regaining health and clarity through Heather’s impactful Med Matrix testimonial.

Andrew highlights his experience

Andrew shares his experience as he sits on a couch, giving his testimonial for Med Matrix—offering stem cell therapy, TRT, and functional medicine. Medical icons appear beside the text.

Brian gives insight into his journey

Brian shares insight into his journey in a testimonial video for Med Matrix, with the text "Brian’s Testimonial: Advanced Testing & Functional Medicine" and a YouTube logo in the corner.

Connie recounts her journey

Smiling older woman next to text reading "Connie's Journey: Exosome Therapy Testimonial" with Med Matrix logo in the corner.

Eric speaks about his journey

A bald man smiles at the camera next to text reading "Eric's Journey: Testimonial Knee Pain? BPC-157" and the logo "Med Matrix.

Leanne shares what she went through

Leanne, a woman wearing glasses, shares her personal story about feeling energized at work after her ozone therapy experience from Med Matrix, as highlighted by the headline text on the image.

Cat describes her experience

A woman smiles at the camera with text overlay listing her testimonial topics: weight loss, gut issues, menopause, anxiety, and even sharing her cat experience while feeling like herself again.

Ryan talks about his journey

Ryan shares his journey in a light blue zip-up, speaking indoors as symptoms and "Ryan's Testimonial" appear on screen. A doctor stands blurred in the background.

Kim tells her story

A woman stands next to a graphic titled "Kim's Testimonial," sharing Kim's story of weight gain, body pain, and low energy, with a MUST WATCH warning and an illustration highlighting body pain.

Laura reflects on her experience

A woman sits in a car; text reads, "Low Energy & Thyroid Issues? Got OFF Pharmaceuticals! Laura's Experience" with an image of crossed-out pills.

Ian opens up about his experience

A bearded man smiles beside text reading "Ian's Testimonial: Building Muscle + More Energy," sharing his Ian experience, with images of a test tube, dumbbell, and a "Peptides" label.
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Meet Our World Class Functional Medicine Team at Med Matrix

Work with a team who is invested in your health and knowledgeable about a root cause approach and cutting edge therapies most conventional doctors have never heard of. Our team has a background in eastern and western medicine. We are not constrained by insurance or big pharma so we simply do what’s actually best for the patient.

Dr. Sasha Rose, ND, LAc, MSOM

Dr. Sasha Rose, ND, LAc, MSOM

Dr. Paul Laband, MD

Dr. Paul Laband, MD

Collin Dees, MPAS, PA-C

Collin Dees, MPAS, PA-C

Functional Medicine Provider: Gabriel Rocha, PA-C, MMSC, IFMCP

Functional Medicine Provider: Gabriel Rocha, PA-C, MMSC, IFMCP

carrie siefer

Aesthetics Director: Carrie Siefer

Aesthetics Director: Carrie Siefer

A man wearing a white lab coat, dress shirt, and patterned tie, smiling at the camera. The lab coat reads "Dr. Colin Renaud, Functional Medicine," reflecting his commitment to the team's mission of better health.

Dr. Colin Renaud, DC, DNM, MS, PA-C, FAAMFM, ABAAHP

Dr. Colin Renaud, DC, DNM, MS, PA-C, FAAMFM, ABAAHP

learn more about team

About Med Matrix

Who is Med Matrix?

Med Matrix is a modern functional medical clinic and med spa dedicated to helping you achieve your best health. We offer personalized care tailored to your unique needs, focusing on both wellness and aesthetics. Our goal is to be your trusted partner in vitality, ensuring that you look and feel your absolute best every day. Med Matrix proudly provides licensed telehealth and wellness services to patients throughout Maine. Our team is dedicated to delivering safe, compliant, and personalized medical care within the state.

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happy client and staff at med matrix functional medicine office in south portland maine
Med Matrix Shoot 10.18.24-27
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Med Matrix Shoot 10.18.24-21

FAQs & Insights

Frequently Asked Questions

Who performs the treatments?

Our treatments are performed by experienced medical professionals, including licensed doctors, nurse practitioners, RNs, LPNs, MAs, and medical aestheticians.

We accept cash, checks, all major credit cards, HSA (health savings account), and a third-party finance company called Cherry with interest free payment plans.

You can book an appointment through our website contact page, by phone (207-707-6213), on our app, or in person at one of our locations.

Your appointments and well-being are essential to us. We understand that sometimes unexpected events occur requiring schedule adjustments. If you need to cancel/reschedule your appointment we respectfully request a 24-hour notice. No-shows, late arrivals, and cancellations inconvenience not only our providers but our other clients/patients as well. Please be aware of our policy regarding missed appointments. Missed appointments or cancellations without a 24-hour notice will result in a $50 fee.

Please contact our staff for specific questions regarding age.

Yes, our location has ample parking available.

Yes we do, Med Matrix offers comprehensive health memberships where we dive deep into your health care and work on a patient to level to restore proper functional. Reference our functional medicine page and call for more information.

We do not offer primary care however, we have programs that are much more in depth than what you would typically receive at a primary care office.