“...Winthrop Orthropaedic Associates, PC is distinguished by the skill, knowledge and exceptional subspecialty training of our surgeons...”
Main Office:
Tel: (516) 747-8900
East Meadow Office:
Tel: (516) 520-3164
Hicksville Office:
Tel: (516) 747-8900

Specialties

  • General Orthopaedics
  • Arthritis Surgery
  • Total Joint Reconstruction
  • Pediatric Orthopaedics
  • Sports Medicine
  • Hand & Upper Extremity
  • Foot & Ankle Surgery
  • Adult & Pediatric Spine



Winthrop Orthopaedic Associates has a reputation for extraordinarily high standards of excellence. Every referring physician plays an integral role in their patients’ treatment and is kept apprised of each recovery milestone.


Our Physicians:
All of our fellowship-trained orthopaedic subspecialists and experienced support staff are exceptionally skilled in using the latest arthroscopic and open technologies and techniques, as well as nonsurgical approaches to care.
•  Read Physician Profiles
Patient Education:
We encourage you to read our doctor approved educational materials about specific orthopaedic problems and conditions.
•  Learn More
Subspeciality Board Certification for Dr. Mark Grossman
05-12-2008 7:48 am
Dr. Mark Grossman has been awarded subspeciality Board Certification in Orthopaedic Sports Medicine from the American Board of Orthopaedic Surgery. Dr. Grossman was a participant in the first class of doctors in the U.S. to earn certification. Dr. Grossman now holds dual board certification by the American Board of Orthopaedic Surgery. more...
Winthrop Orthopaedic Associates welcomes two new physicians
03-30-2007 11:57 am
Winthrop Orthopaedic Associates, P.C. is pleased to welcome Sam Barzideh, M.D, Orthopaedic Trauma Surgeon and John Gaffney, D.O., Pediatric Orthopaedic Surgeon to their practice beginning March 2007 more...
Dr. Mark Grossman named Head Team Physician...
02-06-2007 8:54 am
Dr. Mark Grossman has been named Head Team Physician for the Nassau County Wrestling Championships being held at C.W. Post College February 17-18, 2007. more...