Our Team

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Haroon Chaudhry MD

President and Chief Executive Officer

Dr. Chaudhry has seventeen years of experience in the practice and management of anesthesia services. He began his clinical career at the Elmhurst Hospital in Queens, eventually shifting to private practice in Manhattan. He obtained his undergraduate degree at Columbia University, his MD at the Temple University School of Medicine and completed his anesthesia residency at the Mount Sinai Medical Center in New York. As the founder of Radius Anesthesia Services, his objective is to partner with physicians and surgeons to provide world class care to the people of New York.

Andy Castillo

Clinical Operations

As a Registered Medical Technologist, Andy applies his healthcare background to his role in clinical operations at Radius Anesthesia Professionals PLLC. He received his BS in Medical Technology from Centro Escolar University in the Philippines. He graduated from Our Lady of Fatima University in the Philippines with a Doctor of Medicine degree, followed by a three years fellowship training in anesthesia. Andy has previously worked as a Medical Specialist II in the Department of Anesthesiology at Provincial Hospital. He is an International Affiliate member of the American Society of Anesthesiologists. In his free time, Andy enjoys spending quality time with his family and friends, traveling and going on cruises, reading, and exploring new restaurants.

Ntasha Roy

Operations Manager

Ntasha is passionate about healthcare and strives to make a meaningful difference in the lives of patients and their family members by providing quality management and oversight. She graduated from USC Sol Price School of Public Policy with Masters in Health Administration and holds Bachelor of Medicine and Bachelor of Surgery (MBBS) from India. Ntasha has extensive project management and leadership experience. As a manager, she is determined to make an impact in our organization by recruiting exceptional providers and contributing significantly to daily operations and business development. A nature enthusiast, she likes to stay active and enjoys reading during her spare time.

Ruchika Munjal


Ruchika holds a graduate degree in Economics from University of Delhi and a Law Degree from Campus Law Center, University of Delhi. She has worked as a Corporate Lawyer with one of India’s best Law Firms. Her interpersonal skills and a knack for detail has helped her in recruiting highly qualified Anesthesia Professionals. During her free time she loves to explore new places and try different cuisines.

Xintao Ding

Business Development

Xintao is keen on driving healthcare forward. She graduated from Colgate University with a Bachelor in Molecular Biology and got her Master in Biomedical Informatics from Columbia University. Her past research and work involve vaccination development at the NIH, genetic sequencing for rare diseases, and streamlining clinical visits to deliver more value to patients in a major hospital in NYC. She brings her quantitative, analytical, and communication skills to her role and focuses on solving problems in a data-driven, collaborative, and client-centered way. In her free time, she enjoys playing the piano, spinning, and reading.