Team / Mission


At Med Matrix, we are committed to providing personalized, patient-centered care that addresses both the inner and outer health of our patients.

We believe that optimal health and wellbeing are within reach for everyone.

Our health is the main driver in quality of life, we are here to be your partner in vitality.


Watch this video to learn more about Med Matrix

Functional medicine Dr. Jeffrey Kreher who specializes in sports medicine and joint pain

Advising Doctor: Dr. Jeffrey Kreher

Jeffrey Kreher, MD.

Dr. Jeffrey Kreher is a distinguished physician renowned for his extensive medical training and unwavering commitment to helping patients achieve their actualized health. With a diverse educational background spanning the Air Force Academy, St. Louis, and Stuttgart, Germany, Dr. Kreher’s journey towards becoming a healthcare trailblazer began with a solid foundation. In 1999, he earned his MD degree from the prestigious University of Missouri – Columbia School of Medicine.

After several years of practice in Indiana, he pursued a specialized path by undertaking a Primary Care Musculoskeletal and Sports Medicine fellowship at Boston University/Boston Medical Center in 2007. He loves to teach as he is active in the musculoskeletal education of medical students, residents, fellows, and advanced practice practitioners through Harvard Medical School and MassGeneral Hospital.

Dr. Kreher’s commitment to the best health of his patients extends beyond conventional medicine. His IFM certification came in the year 2019 and started work with IFM in 2017. Functional Medicine focuses on solving the root cause of illness and proactive healthcare which is fundamental in the Med Matrix philosophy.

In his personal life, Dr. Jeff enjoys quality time with his two adult children, indulging in outdoor activities such as biking and hiking, yoga and even IronMan triathlons.

Dr. Kreher is excited to be an integral part of the Med Matrix medical team assisting patients to optimize their health to “live longer and stronger”, through advanced testing, personalized care and cutting edge treatments.

Medical Director: Heidi Curry

Heidi Curry, APRN-DNP-C

Heidi Curry, APRN, is a trailblazing Advanced Practice Registered Nurse (APRN) known for her interests in Functional Medicine. Her career is a testament to unwavering dedication, melding traditional healthcare with innovative, holistic approaches to patient wellness.

Heidi embarked on her healthcare journey with an unyielding passion for improving lives. She pursued a Bachelor of Science in Nursing (BSN) at the University of Florida with distinction, laying a robust foundation for her future endeavors. Eager to delve deeper into healthcare, she pursued a Master of Science in Nursing (MSN) with a focus on Advanced Practice, propelling her toward her APRN licensure.

However, Heidi’s trajectory took a distinctive turn when she discovered the transformative power of Functional Medicine. She obtained specialized certification in Functional Medicine, at IFM (Institute of Functional Medicine) augmenting her traditional medical knowledge with a comprehensive understanding of root-cause medicine and personalized patient care.

With a core belief in treating the whole person rather than isolated symptoms, Heidi established herself in Functional Medicine. Her clinical expertise spans a wide spectrum, from addressing chronic illnesses and hormonal imbalances to optimizing nutrition and lifestyle factors for overall wellness.

Heidi Curry, APRN, stands out for her holistic approach to patient care, where she investigates underlying factors contributing to health issues. Her commitment to staying abreast of cutting-edge research and integrating it into her practice at Med Matrix ensures that her patients receive the most effective, evidence-based treatments.

Moreover, Heidi is not just a practitioner but also an educator and advocate for Functional Medicine. She dedicates time to educating fellow healthcare professionals, spreading awareness about this transformative approach that focuses on empowering individuals to take charge of their health proactively.

Heidi’s career exemplifies a perfect fusion of compassion, innovation, and expertise, making her an invaluable asset in the realm of Functional Medicine and healthcare. Her pioneering efforts continue to shape the landscape of healthcare, improving countless lives along the way.

head of aesthetics

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.