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John P. Diaz, M.D., FACOG, FACS, is a board-certified gynecologic oncologist at Baptist Health Herbert Wertheim Cancer Institute. He holds multiple leadership roles, including chief of gynecologic oncology at Baptist Health and director of robotic surgery and lead physician for clinical trials in gynecologic oncology at Herbert Wertheim Cancer Institute. He also serves as chair and associate professor of the Department of Obstetrics and Gynecology at Florida International University Herbert Wertheim College of Medicine.  

Dr. Diaz provides comprehensive and compassionate gynecologic cancer care for women with endometrial, ovarian, cervical, vaginal or vulvar cancer. He has extensive training and experience in robotic and minimally invasive surgery, which results in shorter hospital stays and faster recovery times for patients.

A surgical innovator, Dr. Diaz has helped pioneer novel procedures such as fertility-sparing radical trachelectomy for early-stage cervical cancer and sentinel lymph node mapping in gynecologic malignancies. He also performed Florida’s first uterine transposition procedure for a patient with gynecologic cancer, preserving reproductive potential in a groundbreaking approach.

Under the direction of Dr. Diaz, Herbert Wertheim Cancer Institute’s gynecologic oncology research and clinical trials program offers innovative treatments and advanced technologies to women in South Florida. His research interests include new surgical methods for ovarian cancer and innovative cancer therapies like hyperthermic intraperitoneal chemotherapy and immunotherapy. He was awarded a $1.7 million research grant to investigate novel therapeutics for the treatment of gynecologic cancers.

Dr. Diaz has authored numerous peer-reviewed publications and presented his research at scientific symposiums. He serves as a reviewer for Gynecologic Oncology, BioMed Cancer, International Journal of Gynecologic Oncology and the Annals of Surgical Oncology. He also holds several leadership and committee positions within such professional organizations as the Society of Gynecologic Oncology and the American College of Obstetrics and Gynecology.

Dr. Diaz earned his medical degree at the University of Miami Miller School of Medicine and was inducted into the Iron Arrow Honor Society, the university’s highest honor. He completed a residency in obstetrics and gynecology at Jackson Memorial Hospital, University of Miami Miller School of Medicine. He also completed a fellowship in gynecologic oncology at Memorial Sloan Kettering Cancer Center in New York, N.Y., where he was awarded the Department of Surgery’s Chairman’s Award for Excellence in Clinical Research.

Dr. Diaz is dedicated to advancing women’s health, cancer care, surgical innovation and academic leadership on both a regional and national level. He is fluent in English and Spanish.

Mehran Habibi, M.D., MBA, is an internationally recognized surgical breast oncologist with over two decades of clinical and academic leadership. He serves as chief of breast surgery at Baptist Health Herbert Wertheim Cancer Institute and deputy chief of breast surgery for Baptist Health Cancer Care. His clinical expertise includes oncoplastic and nipple-sparing mastectomies, nerve-preserving and risk-reducing procedures, and advanced intraoperative tumor localization and margin assessment technologies.

Before joining Baptist Health, Dr. Habibi held senior leadership roles at Northwell Health, including director of breast surgery at Staten Island University Hospital, regional chief of breast surgery for Northwell’s Western Region and director of international program development for Northwell Cancer Institute. He also served as an associate professor of surgery at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. Prior to that, he spent more than 15 years at Johns Hopkins University School of Medicine, where he founded and led the Breast Center at the Bayview Medical Center.

Dr. Habibi’s research program spans surgical innovation, genomics and tumor microenvironment studies. His current investigations include wire-free localization techniques, intraoperative margin assessment tools and studies of tumor tissue mechanics, breast cancer genomics, and the role of the microbiome in breast cancer progression and therapy response. His research has been supported by multiple grants and published in high-impact peer-reviewed journals.

Certified by the American Board of Surgery, Dr. Habibi is a fellow of the American Society of Breast Surgeons and a reviewer for The Breast Journal and JAMA Surgery. He is also an editorial board member of Archives of Breast Cancer.

Dr. Habibi earned his medical degree at Islamic Azad University in Tehran and completed surgical training at Pennsylvania Hospital and St. Luke’s Hospital. He completed a fellowship in complex surgical oncology at the Medical College of Virginia and holds a master’s degree in business administration from Virginia Commonwealth University.

Outside the operating room, Dr. Habibi is known for his love of photography, swimming and baking—where his pastry skills rival his surgical precision.