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Meet Our
Team

Dedicated healthcare professionals committed to your wellbeing.

Our People

At Viva Medical Center, our team of board-certified physicians and clinical staff bring together decades of experience with genuine compassion. Every member of our team is committed to delivering personalized, bilingual care in a warm and welcoming environment.

Leadership

J. René Rivera

CEO & Founder

As CEO, I have the privilege of working alongside an exceptional team of dedicated, passionate, and determined professionals in healthcare. Together, we carry forward my vision — to save precious lives and bring comfort to those in need. I firmly believe that faith and destiny guide us in delivering the very best of our abilities to those we serve. I am deeply grateful to our patients for trusting us with their care and allowing us to make a meaningful impact in their lives.

Oscar Ortega, MD

Medical Director & Primary Care Provider

Board-certified primary care physician with over 15 years of experience. Dr. Ortega specializes in chronic disease management, preventive care, and patient-centered medicine.

Gissella Rivera

Medical Provider / Clinical Manager

As a Clinical Manager and Patient Care Lead, my focus is on providing patients with the highest quality care and ensuring their healthcare journey is as seamless and compassionate as possible. I am committed to advocating for each patient, prioritizing their well-being, and enhancing their overall experience through personalized and efficient care.

Raul A. Falero, MD

Neurosurgeon & Neurologist Specialist

Physician MD specializing in neurology and neurosurgery with over 20 years of extensive experience. Raul dedicates his time, expertise, and unwavering commitment to the well-being of every patient.

Larisa Perez Isasi

Primary Care Provider, PMHNP, FNP, APRN · Psychiatric Specialist

Psychiatric-Mental Health & Family Nurse Practitioner delivering compassionate primary and behavioral health care. Larisa is dedicated to building lasting patient relationships and promoting preventive health and wellness.

Deborah Morales

Medical Assistant & Patient Coordinator

As a medical assistant, I have devoted my work to the well-being and comfort of my patients. I feel blessed to work in an amazing environment and be part of this incredible movement that impacts people’s lives.

What We Stand For

Our Core Values

Bilingual Care

We speak your language — English and Spanish

Patient-Centered

Your health goals guide every decision we make

Same-Day Available

Because your health can’t always wait

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Meet OurTeam