Dr. Chantasi is Board Certified in Physical Medicine and Rehabilitation and Pain Medicine and currently practices at Columbia University Medical Center in New York City. His areas of clinical interest are pain medicine, chronic pain management, spasticity management with Botox and intrathecal baclofen, and medical manipulation.

He attended the New York College of Osteopathic Medicine where he was awarded his Doctor of Osteopathic Medicine. Dr. Chantasi received his undergraduate degree from Fairleigh Dickinson University, achieving his Bachelor of Science Degree in Biochemistry. He completed his residency in Physical Medicine and Rehabilitation at Nassau University Medical Center, and also completed his Internship at Nassau University Medical Center.

Dr. Chantasi has co-authored various publications.