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Doctors & Staff

At New York Bone and Joint Specialists, we specialize in everything from Orthopedic Surgery, Arthroscopic Surgery, Sports Medicine, and Physical Medicine & Rehabilitation, all the way to Acupuncture, Physical Therapy and Massage Therapy. Learn more about our providers and staff below.

NYBJ MD & PA Staff

Our Physicians

Leon Popovitz MD

Leon E. Popovitz, MD

Co-Founder, NY Bone & Joint
Orthopedic Surgeon/ Sports Medicine
Arthroscopic Surgery – Shoulder/ Knee

Michael Mizhiritsky MD

Michael Y. Mizhiritsky, MD

Co-Founder, NY Bone & Joint
Physical Medicine & Rehabilitation
Non-Operative Orthopedics/ EMG’s


JeffreySchildhornMD

Jeffrey C. Schildhorn, MD

General Orthopedics/ Sports Medicine
Joint Replacement Surgery
Arthroscopic Surgery

Dr. Roman Isaac - NY Bone and Joint

Roman Isaac, MD

Orthopedic Surgeon/ Sports Medicine
Surgery of the Hand & Upper Extremity

Allyson Shrikhande MD

Allyson A. Shrikhande, MD

Physical Medicine & Rehabilitation
Non-Operative Orthopedics/ EMG’s
Pelvic Pain & Women’s Health

Nickhil_Gupta_DO

Nickhil Gupta, DO

Interventional Pain Management
Physical Medicine & Rehabilitation
Spine Care

Dr. Christine Ellie DPM

Christine Ellie, DPM

Podiatrist
Podiatric Surgeon
Foot & Ankle Specialist

Our Physician Assistants

Our Physical Therapists

CeciliaManubayPT-LC-HighRes2

Cecilia Manubay, PT

Chief of Physical Therapy
All Sports Physical Therapy

HelenCoussoulePT-LC-HighRes

Helen Coussoule, PT

Staff Physical Therapist
All Sports Physical Therapy

PanagiotaBettyKatsosMSPT-LC-HighRes

Panagiota (Betty) Katsos, PT

Staff Physical Therapist
All Sports Physical Therapy

Jason Ortolano, DPT

Jason P. Ortolano, DPT

Staff Physical Therapist
All Sports Physical Therapy

Jacob Jansen DPT

Jacob M. Jansen, DPT

Staff Physical Therapist
All Sports Physical Therapy

Melanie Smith, DPT

Staff Physical Therapist
All Sports Physical Therapy

Our Physical Therapist Assistant

Carolyn Green, PTA

Carolyn Lee, PTA

Physical Therapist Assistant
All Sports Physical Therapy

Our Acupuncturist/ Massage Therapist

Administrative Staff

Jeff Brown, NY Bone and Joint Marketing Director

Jeff Brown, Director

Marketing & Business Development
Physician Liaison
Communications & Public Relations