All Orthopaedic & Neurosurgery Specialists (ONS) offices, including Urgent Ortho Care, will be closed on Monday, September 1, 2025, in observance of Labor Day.

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Please note: Orthopaedic & Neurosurgery Specialists (ONS) requires payment of outstanding balances at the time of check-in for your appointment. Thank you.

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Credential: DPT

Allison Macari

Education About Allison earned her Doctorate in Physical Therapy from Ithaca College, where she also received her B.S. in Clinical Health Studies, and played for Ithaca’s softball team. Allison is board certified by the American Physical Therapy Association in Geriatric Physical Therapy and has extensive clinical experience in falls/balance prevention, orthopedic sports medicine, post-operative rehabilitation, […]

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Tatyana Kalyuzhny

Education About ONS Greenwich Physical Therapy Director Tatyana Kalyuzhny has been with ONS since completing her clinical doctorate. She is board certified by the Mckenzie Institute in advanced training for mechanical evaluation and treatment of the spine. In addition, Tatyana has developed injury prevention programs for athletes in overhead sports, and is published in tennis […]

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