Dr. Roberto Pietro Antonacci is a highly accomplished and dedicated medical professional, currently serving as the Chief Medical Officer at Green Express Med, LLC in Lake Grove, NY. With over two decades of leadership experience in the medical field, Dr. Antonacci is also the President of Suffolk Breast Imaging, PC, and North Shore Regional MRI, PC. His expertise in diagnostic imaging, women’s health, and cancer screening has cemented his reputation as a trusted figure in the Long Island healthcare community.

Dr. Antonacci founded and has successfully operated multimodality diagnostic imaging centers, specializing in 3D mammography, ultrasound, breast biopsies, and bone density testing. His work has been instrumental in advancing breast cancer screening, especially for underserved and underinsured women through partnerships with the New York State Cancer Services Program. His centers provide comprehensive diagnostic services, including MRI, CT, PET/CT, and X-ray, ensuring the highest quality of patient care while maintaining a strong focus on women’s imaging.

Under his leadership, Suffolk Breast Imaging and North Shore Regional MRI have expanded significantly, offering a range of mobile diagnostic testing services, teleradiology, and ancillary services such as billing, transcription, and professional staffing. Dr. Antonacci’s innovative approach and operational expertise have driven consistent growth in case volumes and overall profitability while enhancing patient care and safety. His dedication to streamlining internal processes has helped reduce malpractice exposure and increase efficiency across his practices.

In addition to his entrepreneurial success in diagnostic imaging, Dr. Antonacci co-founded MMF Systems, Inc., a medical information management company that served 50 hospital clients across the U.S., including prestigious institutions like NY Presbyterian, Johns Hopkins, and Harvard Health. His leadership in securing $15 million in angel funding and managing complex teams across multiple locations showcased his ability to bring together key stakeholders in healthcare to improve operational efficiency and patient outcomes.

Dr. Antonacci’s medical training is equally impressive, having completed a Radiation Oncology residency at New York Presbyterian Hospital, along with a Diagnostic Imaging residency at Brown University School of Medicine, and an Internal Medicine internship at Stony Brook University Hospital. He earned his medical doctorate from Albany Medical College, where he graduated in the top third of his class.

In addition to his clinical work, Dr. Antonacci has contributed to groundbreaking research, including studies on breast cancer prognosis, prostate cancer staging, and glioblastoma imaging. His research has been published in esteemed medical journals, and he has presented his work at national conferences such as the Radiological Society of North America (RSNA) Annual Conference.

Dr. Antonacci is actively involved in his community, serving as a Board Trustee Member at Harbor Country Day School and an advisor for Acton Academy & Phoenix Studio, supporting fundraising initiatives for autism education. He is also a proud sponsor of breast cancer awareness programs and has been actively involved with organizations like the Susan G. Komen Foundation and the American Cancer Society.

With an unwavering commitment to patient care, clinical excellence, and community service, Dr. Roberto Pietro Antonacci continues to make significant contributions to the medical field, shaping the future of diagnostic imaging and cancer screening.