Meet Our Team

Mark Yaiser, D.C
Mark Yaiser, D.C
Chiropractor & Clinic Director

With 20 years of experience, Mark Yaiser, DC, offers exceptional chiropractic care as the clinical director of 43rd St. Physical Medicine & Rehabilitation in Manhattan's Theater District. Dr. Yaiser holds a Bachelor of Science in Biology from Stockton University and a chiropractic medicine degree with honors from Life University in Marietta, Georgia. He gained valuable experience at the HealthBridge medical group, honing his skills in rehabilitative medicine and integrative care. As a board-certified chiropractor, Dr. Yaiser has treated a wide range of health conditions and worked with diverse clientele, including actors, dancers, and professional athletes. He is committed to holistic care, helping patients of all ages and backgrounds improve their physical function and live pain-free at 43rd St. Physical Medicine & Rehabilitation.

Andrew Syzmanski, D.C
Andrew Syzmanski, D.C
Chiropractor

With a focus on personalized care, Andrew P. Szymanski, DC, brings expertise in treating complex conditions at 43rd St. Physical Medicine & Rehabilitation in Manhattan's Theater District. Dr. Szymanski earned his undergraduate degree in exercise physiology from West Virginia University and completed his chiropractic education at Palmer College of Chiropractic West in California, where he received honors in clinical excellence and cervical spine manipulation. He furthered his training with a residency at Santa Cruz Chiropractic and Sports Medicine.Throughout his career, Dr. Szymanski has specialized in sports injuries and nutrition, including serving as a chiropractic staff member for the New York City Marathon. He holds certifications in sports taping and clinical and sports nutrition, with ongoing education in chiropractic nutrition. Collaborating with various healthcare professionals, including orthopedists and dieticians, Dr. Szymanski delivers holistic care to patients, addressing underlying health issues for lasting results.

Sean Joyce, DPT
Sean Joyce, DPT
Physical Therapist

Sean Joyce, DPT, a skilled physical therapist, offers rehabilitative care at 43rd St. Physical Medicine & Rehabilitation in Manhattan's Theater District. With extensive experience, Dr. Joyce caters to a diverse clientele, including high-level athletes and geriatrics. He completed his education at Bellarmine University in Kentucky and holds a Doctor of Physical Therapy. Specializing in manual therapy and personalized exercise programs, Dr. Joyce emphasizes the importance of therapeutic exercises for lasting pain relief and improved health. He is committed to patient education and ensuring his patients have the tools for long-term wellness.

Kristin Misik, LAC
Kristin Misik, LAC
Acupuncturist

Kristin Misik, Acupuncturist and Coach, helps over-stressed, over-worked and over-whelmed professionals get out of pain and feel revitalized. With over a decade of clinical experience, Kristin has mastered the treatment of pain so patients experience instant relief. You will walk away feeling calm, clear and pain-free.A mother of two, Kristin has both firsthand and clinical experience helping pre-natal and post-natal mothers navigate the symptoms of pregnancy and beyond. Kristin is known for her comprehensive approach to wellness, warm bedside manner, and confidence in treating complex conditions.

Albert Barakayev, LMT
Albert Barakayev, LMT
Massage Therapist

Albert Barakayev has been practicing massage therapy for over 20 years. He specializes in Injury Prevention and Rehabilitation, Deep Tissue Massage, Sports Massage, Medical Massage, Myofascial and Trigger Point Therapy, Passive Stretching, Postural Alignment, and Advanced Neck and Lower Back Techniques.His expertise is part of the 43rd St. Physical Medicine and Rehabilitation services available to patients for optimal health and healing.

Jazmyn Manzuri - RPA-C
Jazmyn Manzuri - RPA-C
Board Certified Physician Assistant 

Jazmyn Manzouri, RPA-C, is a board-certified Physician Assistant at Integrative Spine and Sports. Ms. Manzouri trained and competed as a professional figure skater for 15 years, developing a passion for sports and sports medicine. She received a Bachelor’s degree in Exercise Physiology and Biological Sciences from the University of Delaware before earning a Master of Science at Philadelphia College of Osteopathic Medicine.Upon graduation, Ms. Manzouri practiced orthopedic surgery at the NYU Center for Musculoskeletal Care and Hospital for Joint Diseases, where she specialized in sports medicine and joint replacement. Ms. Manzouri remains an avid athlete and enjoys weightlifting, Pilates, yoga, and team sports.

Dr. Brummer
Dr. Brummer
Podiatrist

Dr. Brummer is a board-certified foot surgeon and podiatrist with extensive training from the New York College of Podiatric Medicine and Mount Sinai Medical Center. As a clinical instructor at Mount Sinai Medical Center, he specializes in foot and ankle surgery, with privileges at Lenox Hill Hospital and other surgery centers. Dr. Brummer's expertise includes sports medicine, having served as a team doctor for semi-pro basketball teams. He also specializes in dance medicine, treating athletes and dancers of all levels.