Alex Levchenko, DO

Alex Levchenko, DO

Alex Levchenko, DO is a board certified, fellowship-trained physician who specializes in the non-operative treatment of spine, joint and muscle pain. With an emphasis on image-guided interventional procedures using steroidal medications, viscosupplementation, and PRP (Platelet Rich Plasma), Dr. Levchenko’s goal is to return patients safely to their best function through a comprehensive treatment protocol that also includes non-opioid medications, patient education and physical therapy. He is an expert in performing such treatments as fluoroscopically-guided epidural steroid injections, facet joint injections, sacroiliac joint injections, medial branch nerve blocks, radio frequency ablations, and ultrasound-guided musculoskeletal injections.  Dr. Levchenko also performs electrodiagnostic studies (EMG).

Dr. Levchenko earned his fellowship in Orthopaedic Sports and Spine Rehabilitation at the Spine Center at Mount Sinai Hospital in New York City. He completed his residency training and served as Chief Resident at the world-renowned Rusk Institute of Rehabilitation Medicine at New York University Langone Medical Center, with clinical rotations at the Hospital for Joint Diseases and the Center for Musculoskeletal Care. Dr. Levchenko has contributed to publications, textbooks and clinical guides in musculoskeletal diagnosis and treatment, and pain management. He has presented at national conferences and scientific meetings.

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This doctor is an excellent specialist, very compassionate and caring.  The stuff is excellent as well.  (5 star review on Healthgrades by Edward in New York)

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Spine Intervention Society
American Academy of Physical Medicine and Rehabilitation
American Osteopathic College of Physical Medicine and Rehabilitation, Trustee
American Osteopathic Association

Board Certified – American Board of Physical Medicine and Rehabilitation
Board Certified – Physical Medicine and Rehabilitation, American Osteopathic Board of Physical Medicine and Rehabilitation
Board Certified – Pain Medicine, American Osteopathic Board of Physical Medicine and Rehabilitation


Musculoskeletal Pain Conditions: A Comprehensive Guide, Editors: SB Kahn, RY Xu, Section Editors: T Riolo, Levchenko A, D McCarthy, A Castillo. To be published by Springer in April 2017

Levchenko A, T Riolo. Lateral Epicondylitis, Musculoskeletal Pain Conditions: A Comprehensive Guide, SB Kahn, RY Xu Ed, To be published by Springer in April 2017.

T Riolo, B Forzani, Levchenko A, Injections in Patients with Bleeding Risks and Comorbid Conditions, Pain Management and Palliative Care: A Comprehensive Guide, KA Sackheim, Ed, Springer, 2015

Howell, M, Levchenko, A, Chowdhury, N: Functional deficits with a rare case of swimming induced acute bilateral lower extremities compartment syndrome: A Case Report. Presented at 2014 Association of Academic Physiatrists (AAP) annual meeting.

Shulman, R, Levchenko, A, Lombardo, S, Walkoski, S, Moroz, A: Trigger Finger in a Diabetic Male Successfully treated with Acupuncture and Osteopathic Manipulative Treatment: A Case Report.” Published in February 2013 issue of “Medical Acupuncture”

Levchenko, A., Castellano, J., Tabije, K., Sukhov,R: Rehabilitation challenges in a child with irreversible ischemic changes in the left lower extremity following extracorporeal membrane oxygenation: A Case Report. Presented at 2013 American Academy of PM&R (AAPM&R) annual meeting.

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Dr. Nocek, Dr. Heftler, and Fey Adamarola, DPT: Herniated Disc, Sciatica

“Having recently completed four months of treatment at ONS, I wanted to share my positive experience as too many times this recognition may not be communicated.  Suffering from an old injury of a herniated disc, David Nocek, MD determined it had developed into sciatica.  Early physical therapy sessions with Fey Adamarola, DPT, had temporary relief,  so I was referred to Jeffrey Heftler, MD to get my pain to lower levels to pave the way for an aggressive PT regimen.  It was Fey’s positive outlook that gave me the confidence to stay the course and lead to a very positive outcome. I am grateful to the full team at ONS.” (EH)

Paul Apostolides, MD

Paul J. Apostolides, MD

Paul Apostolides, MD is a fellowship-trained neurosurgeon specializing in spine surgery. He has extensive experience in minimally invasive and reconstructive spine surgery including minimally invasive spinal fusion.

Dr. Apostolides graduated Stanford University and University of Massachusetts Medical School. He completed his residency at the Barrow Neurological Institute in Phoenix, Arizona, where he also did his fellowship training. Board certified by the American Board of Neurological Surgery, Apostolides is a well-published and nationally recognized expert in spinal surgery. He served on the North American Spine Society Guidelines Committee, which creates treatment standards for spinal disorders used by spine specialists across the country.

Dr. Apostolides believes that surgery is a last choice for treatment of back pain and should be considered only after the cause of a patients symptoms has been accurately identified and all non-surgical options have been thoroughly explored. Most episodes of acute back pain will be resolved with rest, activity modifications, anti-inflammatory medications, physical therapy and a home exercise program. Most patients can avoid future episodes by taking a global approach to their recovery that includes weight and posture control, muscle strengthening, sleeping on a good mattress and not smoking. Patients who have structural problems of their spine or spinal instability, and have not benefited from conservative treatment, are often excellent surgical candidates. Only a very small group of people with back pain in combination with degenerative disc disease will benefit from surgical intervention. The goal of treatment, whether surgical or non-surgical, is to get the patient back to his, or her, normal activity level.

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Dr. Apostolides –  Thank you so much for finding the time to come and celebrate my grandmother’s 102nd birthday with us. We were so pleased to see you. You are a very special person to both of us and we know that ‘Amy’ would not have had the quality of life and additional years if she had not had the surgery that you so skillfully performed. Thank you again for joining us for this joyful celebration. (RB)

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Diplomate, American Board of Neurological Surgery
Diplomate, National Board of Medical Examiners
American Academy of Neurological Surgeons
College of Neurological Surgeons
Joint Section on Disorders of the Spine and Peripheral Nerves
North American Spine Society
Member of Spine Universe
Greenwich Hospital Medical Staff Fund


American Board of Neurological Surgery


New York Magazine Best Doctors 2010, 2011, 2013, 2018
Castle Connolly New York Metro Area Top Docs 2008 – 2017
Connecticut Magazine Top Doctors 2009 – 2013, 2016, 2017
Greenwich Magazine Top Doctors 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017
New Canaan Magazine Top Doctors 2009, 2010, 2011, 2013-2017
Stamford Magazine Top Doctors 2010, 2011, 2013-2017
Westport Magazine Top Doctors 2009, 2010, 2011, 2013-2017
Castle Connolly America’s Top Doctor List 2008, 2013, 2014, 2015, 2016, 2017


Porter RW, Crawford NR, Chamberlain RH, Park SC, Detwiler PW, Apostolides PJ, Sonntag VK., Biomechanical analysis of multilevel cervical corpectomy and plate constructs. J Neurosurg. 2003 Jul;99(1 Suppl):98-103.

The authors compared the biomechanical stability of two multilevel cervical constructs involving the placement of equal size anterior cervical plates (ACPs) after decompressive surgery: the first is placed after three-level corpectomy with strut graft and the second after two-level corpectomy and aggressive discectomy with strut graft. In addition, both constructs were evaluated with and without the application of a screw attaching the ACP to the strut graft to determine whether the additional screw enhanced stability in any mode of loading.

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Dr. Mark Camel

Mark Camel, MD

Dr. Mark Camel is a neurosurgeon who specializes in spine surgery. He is the section head of neurosurgery at Greenwich Hospital. He is also Clinical Assistant Professor of Neurological Surgery at Weill Cornell Medical College in New York City.

Dr. Camel received his undergraduate degree from University of Rochester in New York and medical degree from Washington University School of Medicine in St. Louis Missouri. After finishing his role as Chief Resident in the Department of Neurological Surgery at Barnes Hospital, he studied the molecular biology of pituitary tumors and astrocytoma during his research fellowship in the Departments of Neurological Surgery and Pharmacology at the Washington University School of Medicine. He served on the Executive Committee of the Congress of Neurological Surgeons for nine years in many roles including Vice President and several committee chairmanships.

Currently, Dr. Camel is a member of the New York Regional Cabinet for Washington University and serves on the Board of Trustees of Brunswick School.

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Everyone is always so professional …and Dr. Camel and Sommre are the best!..thanks for everything. (TC)

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Dr. Amory Fiore

Amory J. Fiore, MD

Amory J. Fiore, MD is a fellowship-trained neurosurgeon, specializing in spine surgery. Dr. Fiore is one of the first surgeons in the region to have embraced the MIS surgical technique.

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Top in his skills, knowledge and manner, along with his partner, Dr. Amory Fiore, the two of them make an incredible winning team. They have operated on me with astounding results, and if I could give them both a rating of 100 stars, I would be happy. Dr. Apostolides exudes great confidence in his patients and you know he will perform his surgery brilliantly, which he always does. There is a reason he has such a fine reputation and it is well deserved. He and Dr. Fiore are both top in my book. (comment from RateMD)

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Scott Simon, MD

Scott L. Simon, MD

Scott Simon, MD is a neurosurgeon, specializing in the treatment of spinal disorders including operative and non-operative treatment of scoliosis. He is one of just a few physicians nationwide, trained in neurological surgery and orthopaedic techniques to treat scoliosis in adolescents and adults and has extensive experience in minimally invasive spine surgery.

Dr. Simon is on staff at Greenwich and Stamford Hospitals and is the Neurosurgical Director of Cyberknife Radiosurgery for the Stamford Hospital CyberKnife team. The CyberKnife system, by Accuray Inc., is a noninvasive image-guided robotic surgery system that directs radiation beams into tumors from virtually unlimited directions with extreme accuracy to minimize damage to surrounding healthy tissue and vital organs.

Dr. Simon graduated from medical school at UMDNJ – New Jersey Medical School. He completed his residency at The University of Pennsylvania Department of Neurosurgery, and his fellowship training in Spine Surgery and Scoliosis at The Schriners Hospital for Children, in Philadelphia.

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Dr. Simon was wonderful, kind, and compassionate. He explained everything in detail thoroughly. The staff was also very thoughtful and extremely helpful, especially Lisa who is the nurse and MRI scheduler. It was an absolutely pleasant experience. (Patient Survey)

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Watch Dr. Simon discuss Kids and Concussions; Minimally Invasive Spine Surgery …


Academic Affiliations

Consultant – Shriners Hospital for Children, Philadelphia, PA

Administrative Positions

Stamford Hospital Neurosurgical Director of Cyberknife Radiosurgery
Stamford Hospital Neurosurgical Trauma Director
Stamford Hospital ICU Committee
Stamford Hospital Peer Review Committee
Stamford Hospital OR Committee

Professional Affiliations

American Association of Neurological Surgeons (AANS)
American Board of Neurological Surgeons (AANS)
AANS Congress of Neurological Surgeons,
Joint Section on Disorders of the Spine and Peripheral Nerves
The Association for Ethics in Spine Surgery
The Cyberknife Society

American Board of Neurological Surgery


Castle Connolly Americas Top Doctors 2012-2018
New York Magazine Best Doctors 2013-2018
Castle Connolly New York Metro Area Top Doctor 2012-2017
Connecticut Magazine Top Doctor 2011-2012, 2016, 2017
Greenwich Magazine Top Doctor 2012-2017
Stamford Magazine Top Doctor 2012-2017
New Canaan/Darien Magazine Top Doctor 2012-2017
Fairfield Magazine Top Doctor 2012-2017
Westport Magazine Top Doctor 2012-2017


Simon SL, Marcotte P, Grady MS: Surgical Approaches and Techniques of Fixation of the Cervicothoracic Junction, in Dickman, Fehlings, Golaskan (eds): Spinal Cord and Spinal Column Tumors: Principles and Practice. New York, Theme, 2006.

Simon SL, Schuster JM: Posterior Thoracic Instrumentation, in Youman’s (eds): Neurological Surgery, 5th Edition. Philadelphia, W.B. Saunders Co., 2003.

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