Functional Medicine for Complex and Chronic Health Conditions.

We take a personalized, root-cause approach to chronic illness, Lyme disease, mold-related illness, PANS/PANDAS, hormone imbalances, and other complex health concerns, with locations on Cape Cod, in Hingham, MA, and Johnston, RI.

Start With a Free 20-Minute Consultation.

Finding the right practitioner is an important part of your healthcare journey. That’s why we offer a free 20-minute consultation with one of our practitioners to learn more about your health concerns, answer your questions, and help determine whether Functional Medicine Collaborative is the right fit for your needs.

Our Services

At Functional Medicine Collaborative, we take a team-based approach to care that considers the whole person, not just individual symptoms. Our practitioners bring together expertise in functional medicine, naturopathic medicine, nutrition, and acupuncture to develop personalized care plans based on each patient’s health history, concerns, and goals. This collaborative approach allows us to connect patients with the practitioners and services that best fit their individual needs.

Functional Medicine

A personalized approach that looks beyond symptoms to identify underlying factors contributing to chronic and complex health concerns.

Naturopathic Medicine

Whole-person care that combines natural therapies with evidence-informed medicine to support individual health needs and long-term wellness.

Acupuncture

Personalized acupuncture care to support pain management, stress reduction, nervous system regulation, and overall well-being.

Functional Nutrition

Personalized nutrition guidance that considers your health history, symptoms, lifestyle, and individual needs to support gut health, metabolic health, and overall wellness.

Conditions We Treat

Our practitioners work with children and adults facing chronic and complex health concerns. We take an individualized approach to understanding the factors that may be contributing to symptoms and develop care plans based on each patient’s unique needs.

PANS/PANDAS

Sudden-onset neuropsychiatric symptoms in children.

Lyme Disease & Tick-Borne Illness

Complex and persistent symptoms associated with tick-borne illness

Mold-Related Illness

Health concerns associated with mold and environmental exposure

CIRS

Chronic inflammatory responses associated with biotoxin exposure

Autoimmune Conditions

Individualized support for complex immune-related health concerns

Gut Health

Digestive health, microbiome, and gut-related concerns

Meet Our Founders

Sally Davidson, ANP, IFMCP, co-founder of Functional Medicine Collaborative
Dr. Sean Foss, ND, LAc, co-founder of Functional Medicine Collaborative

Functional Medicine Care in Massachusetts & Rhode Island

Functional Medicine Collaborative provides personalized, integrative care for patients across Cape Cod, the South Shore, and Rhode Island. Our practice has locations in South Dennis and Hingham, Massachusetts, and Johnston, Rhode Island, with both in-person and telehealth options available based on practitioner and patient needs.