Richard L. Parker, MD | Board Certified Orthopedic Surgeon


Orthopedic surgeons diagnose and treat ailments affecting muscles, bones and joints, treating sports injuries, degenerative diseases, tumors, infections, and birth defects. They regularly perform joint repair and replacement operations.

Is a board-certified orthopedic surgeon, affiliated with LIJ Hospital/NSU Hospital, who treats all orthopedic problems, with special interest in arthroscopy, sports medicine, and disorders of the spine. He is a graduate of Georgetown University School of Medicine and was trained at Montefiore Hospital/Albert Einstein College of Medicine. Dr. Parker was one of the first orthopedic surgeons to perform outpatient arthroscopic surgery on Long Island, starting in 1980, and is a fellow of both the American Academy of Orthopedic Surgeons and the North American Arthroscopy Association. He is also a recipient of the prestigious America’s Top Doctors Award.

KENNETH MCCULLOCH, MD | Board Certified Orthopedic Surgeon


Direct Anterior Hip Replacementscustom fit knee replacements, and virtual robotic total knee replacement


Dr. Kenneth McCulloch, M.D., is a Board Certified Orthopaedic Surgeon who received his medical degree from Robert Wood Johnson School of Medicine and completed his orthopaedic surgery residency at Columbia University. He further continued his training by completing his fellowship at Stanford University for Adult Orthopaedic Reconstruction.

Dr. McCulloch was the first surgeon in New York City to perform Direct Anterior Hip Replacements, custom fit knee replacements, and virtual robotic total knee replacement. 

In the field of sports medicine and joint preservation, Dr. McCulloch has been amongst the first physicians in New York City to provide advanced treatment alternatives such as Platelet Rich Plasma, Fetal Cartilage Cell Grafting Techniques, and Partial Knee Replacement amongst others. 


  • Undergraduate Education: Princeton University 

  • Medical Education: Robert Wood Johnson Medical School 



Internships & Residency: Columbia University, Saint Luke's-Roosevelt Hospital Center Fellowship: Stanford University 

Vladimir Dadashev, M.D. | Neurological Surgery, P.C.


Neurosurgery / General Neurosurgery, Neurosurgical Spine Surgery

Vladimir Y. Dadashev, M.D., is a Long Island neurosurgeon who specializes in the treatment of diseases of the spine. He utilizes both advanced minimally invasive and traditional open approaches for the treatment of spinal stenosis, sciatica, disc herniation, fractures, spinal instability, back pain, and spinal infections. He also
has a strong interest in the treatment of tumors of the spine, benign or metastatic.

In addition to open surgeries like laminectomies and spinal fusions, Dr. Dadashev performs minimally invasive microdiscectomies. He also employs innovative techniques such as 3-D navigation and neuro-endoscopy. 3-D navigation uses intraoperative scans, and a technology similar to GPS, to allow neurosurgeons like
Dr. Dadashev to visualize the complex anatomy of the patient’s spine in 3D and visualize the placement of surgical instrumentation throughout the procedure. Neuro-endoscopy is a minimally invasive procedure in which deep seated tumors can be removed through small, dime-size incisions.


Dr. Dadashev received his B.A. in Chemistry from Hunter College, New York, NY, summa cum laude, salutatorian, where he belonged to the Phi Beta Kappa Honor Society. He obtained his medical degree from the Wayne State University School of Medicine, Detroit, MI, with High Distinction, where he was inducted into the Alpha Omega Medical Society (AOA), junior selection, and was a “Surgery Student of the Year” award nominee. At the Emory University School of Medicine, Atlanta, GA, Dr. Dadashev completed his internship and residency in the Department of Neurosurgery. He served as Chief Resident in his final year.


Dr. Dadashev has authored numerous articles, book chapters, and presented extensively at conferences. He authored the most recent chapter on “Treatment of Disk and Ligamentous Diseases of the Cervical Spine” in Youmans Neurological Surgery (6 th Edition). While at Emory, the Georgia Neurosurgical Society honored him with the “Best Paper Presentation” Award for the use of novel 3-dimensional endoscopy in transspehnoidal pituitary surgery.

Dr. Dadashev is a member of the American Association of Neurological Surgery (AANS) and the Congress of Neurological Surgeons (CNS). In 2018-2019, he was recognized by his peers as a Castle Connolly Medical Ltd. Top Doctor: New York Metro Area.

Dr. Siddhartha Sharma, DPM | Doctor of Podiatric Medicine (DPM)


Specialize in the treatment of the feet and ankles

Dr. Sid Sharma completed his medical education at Temple University in Philadelphia, PA. He was the youngest ever to graduate from that school. He finished a three-year foot and ankle surgical residency at The Mount Sinai Hospital in New York City. He has authored numerous articles related to wound care in several orthopaedic and wound care journals, and he has also co-authored three books in the field of medical anthropology. He currently teaches resident physicians from The Mount Sinai Hospital and Hoboken University Medical Center. Dr. Sharma's professional interests include arthroscopy, minimally invasive procedures and regenerative medicine. He has lectured at conferences, hospitals, and universities across the country.. Dr. Sharma is also a New York State Trooper PBA Police Surgeon.

Neil B. Kirschen, MD | Board Certified in Anesthesiology


Anesthesiology, Pain Medicine, Acupuncture, and Massage Therapy

Board certified in anesthesiology, pain medicine, acupuncture, and massage therapy, Dr. Kirschen has done extensive postgraduate training in osteopathic and manual medicine. He uses acupuncture, spinal manipulation, medical massage, craniosacral therapy, ligament reconstructive therapy, natural medicines, and interventional anesthetic nerve blocks in his practice.

DR. SALIL GUPTA | American Board of Orthopedic Surgery


Orthopedic Surgery, Hand & Wrist

Dr. Salil Gupta was born in New York City and grew up in Long Island, New York. He graduated Brown University magna cum laude with a B.A. in Political Science and was elected into Phi Beta Kappa. 

Dr. Gupta attended the Mount Sinai School of Medicine in New York, during which time he was awarded an Urban Health Care Fellowship and elected into the Alpha Omega Alpha honor society. Upon completion of medical school, he obtained his residency training in Orthopaedic Surgery at NYU-Hospital for Joint Diseases. During his residency, he completed specialized training in trauma surgery at Seattle's Harborview Medical Center. Dr. Gupta completed his Hand and Upper Extremity Surgery Fellowship at St Luke's-Roosevelt Hospital's C.V. Starr Hand Surgery Center. He also completed a specialized fellowship in Pediatric Hand and Upper Extremity Surgery at Texas Scottish Rite Hospital. Dr. Gupta serves as a Clinical Assistant Professor at the NYU School of Medicine as well as an active member of the Hand Service at the Hospital for Joint Diseases. 

Dr. Gupta is Board Certified in Orthopaedic Surgery and is a member of the American opaedic Surgery and a candidate member of the American Society for Surgery of the Hand. His research has been presented at multiple international and national meetings and has been published in numerous peer-reviewed journals, including the Journal of Hand Surgery, Techniques in Shoulder and Elbow Surgery, Hand Clinics, and the Journal of Orthopaedic Trauma. 

Our goal is to provide the highest quality of medical care available in the treatment of the musculoskeletal system to all of our patients. We strive to provide you with state-of-the art treatment and care for orthopedic injuries, disease, and congenital condition, including those of the hands. Care is directed towards the goals of patient education, restoration of health in a timely manner, and in the prevention of future problems. 

Dr. Mark J Decker, MD | Diagnostic Radiology specialist

Dr. Mark J Decker, MD, is a Diagnostic Radiology specialist who graduated from Mount Sinai School of Medicine University of New York in 1993, having over 26 years of diverse experience, especially in Diagnostic Radiology.

Dr. Decker is a Board Certified Musculoskeletal and Spine Radiologist specializing in MRI and CAT scan of the musculoskeletal system and spine as well as musculoskeletal and spinal intervention. 

Dr. Decker has special interest in cartilage imaging, sports injuries, and subspecialty in foot and ankle imaging. Dr. Decker lectures nationally and is Director of Imaging for several foot and ankle residency programs.

© Copyright 2019 South Nassau Orthopedic

South Nassau Orthopedic Surgery and Sports Medicine, P.C. is not a part of or affiliated with South Nassau Communities Hospital.