Surgical Specialist, Orthopaedic Surgeon
25 years of experience
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).

Learn more about Dr. Mark McMahon:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Mark McMahon is Excellent. Dr. McMahon has been reviewed by 12 patients who have provided 3 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 4.8
Spends Time with Me 4.8
Follows Up After Visit 5.0

Specialties & Research

Dr. Mark McMahon, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 3 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)

Education & Awards

Dr. McMahon graduated from Harvard University , Boston. He has 3 awards.

Patients' Choice Award (2008 - 2009, 2011 - 2012, 2014)
Compassionate Doctor Recognition (2011 - 2012, 2014)
On-Time Doctor Award (2014)


Dr. McMahon has 4 hospital affiliations:

  • Lenox Hill Hospital 
  • Out of State Hospital 


  • Spanish

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Additional Information
Dr. Mark Stephen McMahon MD is a male Orthopaedic Surgeon, has 25 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Mark S. McMahon practice?
Dr. Mark McMahon has 1 office location.
Dr. Mark McMahon practices Orthopaedic Surgery near New York, NY.
See New York Surgeons.