What is Functional Medicine?

Conventional psychiatry treats symptoms. Functional medicine investigates causes. Your brain doesn't exist in isolation—it's connected to your gut, hormones, immune system, and metabolic health. When any of these systems are dysfunctional, your mental health suffers.

We implement comprehensive testing to identify what's actually happening in your body, then create a personalized roadmap to address what we find, and encourage deep healing work along the way. The goal isn't symptom suppression—it's understanding the whole system, so real resolution becomes possible.

FxMed Mental Health is informed by the philosophies taught by the Institute for Functional Medicine.

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Who We Are

We're not just colleagues—we're collaborators. Your case is discussed, your care is coordinated, and your healing is our shared commitment. We combine functional medicine assessment and psychological consultation to understand who you are.

Seasoned Professionals

Combined decades of clinical experience across functional medicine, nutrition, and health psychology. We've seen complex cases—and helped them heal.

Mental Health Experts

We don't treat diagnoses—we treat people. We are dimensional thinkers who see your complexity, not categorical thinkers who see your labels.

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Integrative Practitioners

We bridge conventional and functional medicine—nutrients when indicated, lifestyle when essential, and coordination with your medical providers. No dogma, just what works.

Soul Searchers

Root cause resolution isn't just about lab values. We honor the whole person—the trauma, the meaning-making, the journey back to yourself.

Your Integrative Care Team

We combine functional medicine assessment and psychological consultation to understand your mental health from every angle.

David Wiss, PhD, RDN, FMCP

David Wiss, PhD, RDN, FMCP

Functional Medicine Certified Professional, registered dietitian nutritionist, & mental health scientist

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Gretchen Kubacky, PsyD

Gretchen Kubacky, PsyD

Health Psychologist specializing in chronic illness recovery, trauma, & restoration of the mind-body connection

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Ready to Find Your Root Cause?

You deserve answers. You deserve to feel better. Let's find out what's really going on.

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