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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, MD - Orthopedic Hand Surgeon in NYC

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

Dr. Nickhil Gupta, DO - Physical Medicine and Rehabilitation and Interventional Pain Management

Nickhil Gupta, DO

Interventional Spine/ Pain Management
Physical Medicine & Rehabilitation

Christine Ellie NYC Podiatrist

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 - Physical Therapist at NY Bone and Joint

Jacob M. Jansen, DPT

Staff Physical Therapist
All Sports Physical Therapy

Melanie Smith, DPT - Physical Therapist in NY Bone and Joint

Melanie Smith, DPT

Staff Physical Therapist
All Sports Physical Therapy

Our Physical Therapist Assistant

Carolyn Lee, PTA - Physical Therapist Assistant

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