Our Team

  • Orthopedic Spine Surgeon

    Dr. Abhishek Kumar previously served as Chief of Spine Surgery at Bayonne Medical Center and as Assistant Professor and Assistant Director of the Orthopedic Surgery Residency Program at Louisiana State University.

    He completed his spine surgery fellowship at Mount Sinai Hospital in New York, and his research on minimally invasive spine techniques has been published in the International Journal of Spine Surgery and Global Spine Journal, among other peer-reviewed publications.

    Dr. Kumar’s clinical focus includes minimally invasive spine surgery, degenerative spine conditions, and spinal deformity correction.


  • Practice Manager

    Daniela Gonzalez is an experienced healthcare office manager with over 10 years in the medical field. Driven by a genuine passion for helping patients feel supported, informed, and cared for, she ensures smooth and efficient practice operations.

    Daniela is committed to supporting NefraHealth’s providers so they can focus on delivering high-quality patient care.


  • Patient Care Coordinator

    Genesis Grullon Martinez is a front desk specialist dedicated to creating a welcoming and organized experience for every patient. She does what she does because of her belief that the first interaction sets the tone for a patient’s entire visit.

    Genesis is passionate about helping NefraHealth’s patients feel comfortable, respected, and supported from the moment they walk through the door.