Precision Medicine. Personal Care.

Michael Santiago, MSN, AGACNP-BC

At RevitaLine, your care is guided by a highly trained Nurse Practitioner with nearly a decade of experience in critical care and cardiovascular medicine. With an extensive background managing complex cardiac and medically fragile patients, your provider brings a deep understanding of physiology, hormone balance, metabolic health, and preventative medicine to every treatment plan.

Years spent in high-acuity hospital settings have shaped a meticulous, safety-first approach grounded in evidence-based medicine. This experience translates into thoughtful diagnostics, personalized treatment strategies, and careful monitoring designed to optimize long-term health — not just deliver short-term results.

Beyond the clinical setting, a lifelong passion for health, fitness, and performance fuels a holistic philosophy of care. RevitaLine blends medical precision with wellness optimization, empowering patients to improve vitality, restore confidence, enhance appearance, and perform at their highest level.

This unique combination of critical care expertise and wellness innovation ensures that every client receives care that is comprehensive, strategic, and tailored to support living life at its fullest potential.

Stefanie Rulli, MD

Dr. Stefanie Rulli is a board-certified Internal Medicine physician and serves as Medical Director of RevitaLine Health. She earned her medical degree from the American University of the Caribbean and completed her postgraduate training at NYU Langone Health at Long Island, where she developed a strong foundation in comprehensive adult medicine.

With extensive experience in Internal Medicine, as well as clinical exposure in Hematology and Oncology, Dr. Rulli brings a broad and highly analytical medical perspective to patient care. Her background allows her to evaluate complex health concerns through a systems-based lens, emphasizing early detection, risk reduction, and long-term disease prevention.

At RevitaLine Health, Dr. Rulli applies evidence-based medicine to support medical optimization, hormone health, metabolic wellness, and proactive longevity strategies. She believes that high-quality medicine is not only about treating illness, but about identifying risk factors early, correcting underlying imbalances, and preserving vitality over time.

Her clinical philosophy centers on prevention, root-cause evaluation, and sustainable lifestyle interventions. By integrating traditional internal medicine principles with modern optimization strategies, Dr. Rulli helps patients take an informed, active role in maintaining their health at every stage of life.

Personally committed to healthy living, she integrates nutrition, physical activity, and balanced habits into both her own life and her medical practice. Through RevitaLine Health, Dr. Rulli partners with patients to build long-term health strategies grounded in science, safety, and individualized care.

Why We Built This.

RevitaLine was founded from nearly a decade of frontline experience in critical care and cardiovascular medicine. As a Registered Nurse and now Nurse Practitioner, I cared for patients facing advanced heart disease, metabolic disorders, and complex chronic illness — often at the most critical stages of their health journey.

While that work was deeply impactful, it revealed a powerful reality: by the time many individuals reached the ICU, their health had been declining silently for years. Hormonal imbalances, metabolic dysfunction, inflammation, poor recovery, and lifestyle stressors had compounded long before symptoms became severe.

RevitaLine was created to intervene earlier — to shift healthcare from crisis management to proactive optimization.

By combining advanced clinical training with evidence-based preventative strategies, we focus on hormone balance, metabolic health, targeted nutrition, performance optimization, and regenerative therapies designed to enhance vitality and reduce long-term disease risk. Our mission is not simply to treat symptoms, but to strategically support the systems of the body that drive energy, strength, confidence, and longevity.

At RevitaLine, prevention is powerful. Optimization is intentional. And living with strength is the standard.