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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 (2)

The overall average patient rating of Dr. Mark Gelfand is Excellent. Dr. Gelfand has been reviewed by 8 patients who have provided 2 comments. The rating is 5 out of 5 stars.

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

Specialties & Research

Dr. Mark Gelfand, MD is board certified in Plastic Surgery and Surgery.

  • He has special expertise in 2 areas:
  • Carpal Tunnel Syndrome
  • Dupuytren's Contracture

Education & Awards

Dr. Gelfand graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse. He has 3 awards.

Patients' Choice Award (2013 - 2014)
Compassionate Doctor Recognition (2013)
On-Time Doctor Award (2014)


Dr. Gelfand has 2 hospital affiliations:

  • Stony Brook University Hospital 
  • University Hospital 


  • French
  • Spanish

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Additional Information
Dr. Mark A Gelfand MD is a male Plastic Surgeon, has 11 years of experience and practices in Plastic Surgery and Surgery.
Where does Dr. Mark A. Gelfand practice?
Dr. Mark Gelfand has 3 office locations.
Dr. Mark Gelfand practices Plastic Surgery and Surgery near Smithtown, NY.
Additional practice locations include: East Setauket, NY.
See Smithtown Plastic Surgeons and Smithtown Surgeons.