Dr. Susana Zúñiga didn’t set out to become a physician. Raised in a family of doctors, her parents and grandparents all practiced medicine, while her first passion was graphic design. Helping her then-partner study for medical school, someone recognized what she hadn’t yet seen in herself. “You’re really good at this. You should study medicine.” What began as an unexpected decision soon became her life’s calling.

After graduating from the Universidad de Guadalajara, she entered clinical practice grounded in conventional medicine. Soon she realized that many patients arrived with questions traditional medicine couldn’t fully answer: chronic fatigue, autoimmune disease, persistent inflammation, brain fog, or unexplained symptoms despite “normal” laboratory results. Those encounters pushed her beyond diagnoses and medications, into a lifelong search for the root causes of illness.

That search led her through regenerative medicine, ozone therapy, IV nutrient therapy, acupuncture, homotoxicology, and ultimately Functional Medicine. Beyond new therapies, she developed a way of thinking centered on understanding the individual behind the diagnosis, a philosophy that still guides every patient she treats today.

One of the defining principles of Dr. Zúñiga’s practice is that no two patients are ever treated the same.

Clinical guidelines are an essential part of medicine, but they are designed to guide the treatment of diseases, not the complexity of individual human beings. Throughout her career, she has cared for patients with chronic Lyme disease, Long COVID, mold-related illness, autoimmune conditions, chronic fatigue, and other complex disorders that often don’t fit neatly within standard treatment algorithms.

Her approach begins with a different question.

But rather, “Why did this particular patient become ill?”

The answer is rarely found in a single laboratory result. Genetics, environmental exposures, emotional stress, nutrition, mitochondrial health, inflammation, detoxification pathways, sleep, and lifestyle all influence how disease develops and how healing occurs. Two patients may share the same diagnosis while requiring completely different treatment strategies because the biological factors driving their illness are entirely different.

The vision for Begin Again was never simply to create another medical clinic.

It was to create a place where patients feel genuinely seen, understood, and cared for.

For that reason, the clinic intentionally maintains a highly personalized model of care. Dr. Zúñiga remains closely involved throughout each patient’s treatment, continuously evaluating progress, adjusting protocols when necessary, and ensuring that every decision reflects the patient’s evolving needs.

Many patients spend weeks, or even months, receiving treatment, creating relationships built on trust, consistency, and compassion. Over time, those relationships often extend beyond the doctor-patient dynamic and become lasting friendships.

For Dr. Zúñiga, medicine has always been about more than restoring health.

It is about restoring hope.

Because sometimes the greatest transformation doesn’t begin with a treatment.