Your Partner in Physical Health and Wellness
OUR TEAM
Founder & Medical Director
Amir Mahajer, DO
Dr. Mahajer is the Founder of Osso Health and Medical Director of The Dr. Amir Mahajer Sports Medicine & Spine Center at Osso Health. He is also the Principal Investigator of The Research & Education Institute at Osso Health, where he leads clinical trials and advances spine and sports medicine. A dedicated academic physician, his ongoing contributions to research and medical education position him as a trusted leader in the field, making him the premier choice for patients and referring providers seeking comprehensive, timely, and patient-centered care.
Ambassador of Pawsitivity
Enzo Valentino
Enzo Valentino is a beloved companion and trusted member of the Osso Health family. Rescued from the Appalachian region through East Coast Canine Rescue, he found his forever home and went on to earn Canine Good Citizen, Service Dog, and Facility Dog certifications. Known for his gentle temperament and loyalty, Enzo has a unique gift for easing patient stress and creating a warm, welcoming environment. He embodies the spirit of compassion at Osso Health — a reminder that healing often begins with connection.
Medical Administrator
Valerie Rotunno
Valerie Rotunno began her career in healthcare administration in 2011, bringing extensive experience in operations, patient experience, and clinical staff coordination. She excels at optimizing workflows, improving efficiency, and fostering collaboration between medical professionals, support staff, and patients. Passionate about patient-centered care, Valerie works closely with clinical teams to streamline processes and ensure every patient receives high-quality care. Her expertise includes compliance management, budgeting, staff training, and implementing solutions that elevate both patient satisfaction and operational performance.
Medical Insurance and Billing Specialist
Nicole Greenlee
Nicole Greenlee is an experienced medical billing specialist with a strong background in business operations, healthcare management, and insurance advocacy. With expertise in medical coding, claims processing, and revenue cycle management, Nicole ensures providers receive timely reimbursements while helping patients navigate insurance referrals and authorizations. Dedicated to patient advocacy, she resolves claim denials, appeals insurance decisions, and educates patients on their coverage options — combining business acumen with compassion to deliver a seamless, stress-free billing experience.
Senior Research and Clinical Coordinator
Karolina Euqueres
Karolina Euqueres is the Senior Research and Clinical Coordinator at Osso Health, supporting Dr. Mahajer in both clinical operations and active research initiatives. She holds a Bachelor of Science in Behavioral Neuroscience and a Bachelor of Arts in Natural and Applied Sciences from Florida International University, and contributed to research at the University of Miami studying deep brain stimulation for spinal cord injury. Passionate about integrative and evidence-based medicine, Karolina brings a rare combination of research expertise and hands-on patient care to every interaction.