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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (13)

The overall average patient rating of Dr. John Feder is Good. Dr. Feder has been reviewed by 42 patients who have provided 13 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.4
Courteous Staff 3.4
Accurate Diagnosis 3.8
Bedside Manner 3.7
Spends Time with Me 3.5
Follows Up After Visit 3.6

Specialties & Research

Dr. John Feder, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 1 area:
  • Knee Osteoarthritis

Education & Awards

Dr. Feder graduated from New York Medical College, Valhalla.


Dr. Feder has 15 hospital affiliations:

  • North Shore/Long Island Jewish Hospital System - Franklin Hospital Med Ctr 
  • Mercy Medical Center 


  • Italian
  • Portuguese
  • Spanish

> > > > Dr. John Feder, MD

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Additional Information
Dr. John Martin Feder MD is a male Orthopaedic Surgeon, has 23 years of experience and practices in Orthopaedic Surgery, Foot and Ankle Orthopaedics, and Surgery.
Where does Dr. John M. Feder practice?
Dr. John Feder has 5 office locations.
Dr. John Feder practices Orthopaedic Surgery, Foot and Ankle Orthopaedics, and Surgery near Cedarhurst, NY.
Additional practice locations include: Bohemia, NY and Merrick, NY.
See Cedarhurst Surgeons.