Dr. Mark Kostin is an experienced Internal Medicine physician with over 30 years of practice. Based in the Rego Park office, he focuses on the wellness, preventive care, and treatment of workers’ compensation patients. Dr. Kostin is known for his patient-centered approach, clinical expertise, and dedication to providing high-quality, individualized care.

Elmira Samkova holds a Master of Science degree in Acupuncture and Oriental Medicine. With over 20 years of experience, she combines her formal training with a deep passion for helping others. Elmira is committed to a natural, non-invasive approach to healing, delivering care that reflects both her expertise and compassion.

Brian Bak is a skilled chiropractor specializing in the treatment of neck and back conditions. He is dedicated to helping patients restore mobility, reduce pain, and improve overall function through personalized, non-invasive care. With a patient-centered approach, Brian focuses on delivering effective, evidence-based treatments to support long-term wellness.

Dr. Nelson W. Castro brings 24 years of experience in a multidisciplinary clinical setting. In 2014, he was recognized as Astoria’s Best Chiropractor for his outstanding care. He is a strong advocate for spinal decompression and manipulation under anesthesia as effective treatments for chronic disc conditions.