Signature Healthcare
Huan Ngo, MD, Chief Medical Officer
Dr. Huan Ngo is Signature Healthcare’s Chief Medical Officer. Dr. Ngo specializes in emergency medicine and received his medical degree from UMDNJ - Robert Wood Johnson Medical School Program and completed his residency at Rhode Island Hospital. Dr. Ngo is board-certified by the American Board of Emergency Medicine.
George Bonnevie, MD, Chief of Radiology
Dr. George Bonnevie is a board-certified diagnostic radiology specialist. Dr. Bonnevie completed his residency in Radiology-Diagnostic at the University of Vermont Medical Center, where he also completed his internship in Internal Medicine. He graduated from the Boston University School of Medicine.
Kimberly Cox, MD, Chief of Anesthesia
Dr. Kimberly Cox is a highly experienced anesthesiologist with over 20 years of practice. Dr. Cox is affiliated with several regional hospitals including Signature Healthcare Brockton Hospital. She received her medical degree from MCP-Hahnemann College of Medicine.
Garrey Faller, MD, FCAP, Chief of Pathology
Dr. Garrey Faller serves as the Chief of Pathology at Signature Healthcare and is board-certified in Anatomic and Clinical Pathology. Dr. Faller earned his medical degree from Tufts University School of Medicine, where he built a strong foundation in medical sciences. He completed his internship and residency in Anatomic and Clinical Pathology at Tufts Medical Center in Boston, MA. With Dr. Faller's extensive expertise in pathology, he plays a pivotal role in advancing clinical care and ensuring diagnostic accuracy.
Laura Griffin, MD, Chief of Emergency Medicine
Dr. Laura Griffin is a highly respected physician who specializes in emergency medicine. Dr. Griffin received her medical degree from Tulane University School of Medicine and completed her residency at Baystate Medical Center. Dr. Griffin is board-certified by the American Board of Emergency Medicine and has clinical interests in emergency medicine.
Robert Klein, MD, MBA, Chief of Psychiatry
Robert Klein, MD, MBA, brings over 30 years of clinical, academic, and leadership experience in psychiatry to Signature Healthcare Brockton Hospital. He earned his medical degree from the University of Missouri-Columbia. He completed his psychiatry residency at Tufts-New England Medical Center, followed by a fellowship at Harvard University Health Services. He also holds an MBA from Boston University. Dr. Klein has held key leadership roles at institutions including St. Elizabeth’s Medical Center, Northeastern University, and Newton-Wellesley Hospital, overseeing outpatient services, residency programs, and behavioral health operations. His clinical expertise spans inpatient and outpatient psychiatry, psychopharmacology, and telehealth. A recipient of multiple awards for excellence in psychiatric care and leadership, he is also a credentialing committee member for Multiplan Corporation. Signature Healthcare Brockton Hospital proudly welcomes Dr. Klein as Chief of Psychiatry as we continue our mission to provide compassionate, high-quality care to our community.
Signa Perkins, MD, MBS, FACAP, Chief of the Department of Medicine
Dr. Signa Perkins serves as the Chief of the Department of Medicine at Signature Healthcare. She completed her residency and internship in Internal Medicine at Montefiore Hospital and earned her medical degree from SUNY Upstate Medical University in Syracuse, New York. Dr. Perkins is board-certified by the American Board of Internal Medicine and brings extensive experience to her role.