Dr. Stelios Koutsoumbelis, MD, Massapequa, NY

About Dr. Stelios Koutsoumbelis

Dr. Stelios Koutsoumbelis is a board-certified, fellowship-trained spine surgeon specializing in complex spinal surgery, with a particular focus on the cervical spine. His expertise includes anterior cervical discectomy and fusion (ACDF), cervical disc replacement, adult spinal deformity, including scoliosis. He trained at the Hospital for Special Surgery and completed advanced subspecialty training at Memorial Sloan Kettering Cancer Center. Dr. Koutsoumbelis currently serves as Site Director and Chair of Orthopedic Surgery at Mount Sinai South Nassau. With over a decade of experience, he is known for managing challenging cases and is frequently sought out for second opinions when patients want clarity before proceeding with surgery. His practice emphasizes precision, thoughtful surgical decision-making, and individualized care. Over the years, he has built a strong track record of outcomes and patient satisfaction, with many patients traveling specifically to be evaluated and treated under his care. In a region with many options for spine care, Dr. Koutsoumbelis’ practice is intentionally focused and selective—prioritizing complex pathology and patients seeking a higher level of expertise. He is actively involved in leadership and committee roles within the Mount Sinai Health System. Patients who value experience, attention to detail, and a comprehensive approach to spine care often seek consultation with Dr. Koutsoumbelis when it matters most.

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.

Joint injury due to trauma

Neck pain and spine problems

Disorders of the thoracic spine

Lower back pain

Spinal fusion

Joint injury due to trauma

Neck pain and spine problems

Disorders of the thoracic spine

Lower back pain

Office location

Stelios Koutsoumbelis, MD

5840 Merrick Rd, Massapequa, NY 11758

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Education and background

Practice names

Stelios Koutsoumbelis, MD

Hospital affiliations

North Shore University Hospital
NYU Winthrop Hospital
Mount Sinai South Nassau

Education and training

Medical School - University of Akron, Doctor of Medicine
North Shore University Hospital, Residency in Orthopedic Surgery
Summa Akron City Hospital, Residency in General Surgery
Hospital for Special Surgery Main Hospital, Fellowship in Spine Surgery

Professional memberships

American Academy of Orthopaedic Surgeons
North American Spine Society
Scoliosis Research Society

Awards and publications

Castle Connolly Top Doctor

Languages spoken

English
Greek

Provider's gender

Male

NPI number

1316258015

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Frequently asked questions

How soon can I make an appointment with Dr. Stelios Koutsoumbelis?

Generally, Dr. Stelios Koutsoumbelis has appointments available on Zocdoc within 1 week. You can see Dr. Koutsoumbelis's earliest availability on Zocdoc and make an appointment online.

Is Dr. Stelios Koutsoumbelis accepting new patients?

Dr. Stelios Koutsoumbelis generally accepts new patients on Zocdoc. You can see Dr. Koutsoumbelis's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Stelios Koutsoumbelis accept my insurance?

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Can I make an appointment with Dr. Stelios Koutsoumbelis online?

Yes, you can make an appointment online with Dr. Koutsoumbelis using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Stelios Koutsoumbelis work with?

Dr. Stelios Koutsoumbelis works with Stelios Koutsoumbelis, MD.

Where is Dr. Stelios Koutsoumbelis's office located?

Dr. Stelios Koutsoumbelis's office is located at 5840 Merrick Rd, Massapequa, NY 11758.

What are common reasons for patients to see Dr. Stelios Koutsoumbelis?

Dr. Stelios Koutsoumbelis frequently sees patients for Back Pain, Orthopedic Consultation, Spine Deformation / Scoliosis , Sports Injury, and Surgery Consultation. You can see other visit reasons for Dr. Stelios Koutsoumbelis on their profile.