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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 (20)

The overall average patient rating of Dr. Jay Klarsfeld is Excellent. Dr. Klarsfeld has been reviewed by 34 patients who have provided 20 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.6
Courteous Staff 4.8
Accurate Diagnosis 4.9
Bedside Manner 4.7
Spends Time with Me 4.8
Follows Up After Visit 4.7

Specialties & Research

Dr. Jay Klarsfeld, MD is board certified in Otolaryngology.

  • He has special expertise in 3 areas:
  • Endoscopy (Endoscopic Surgery)
  • Head and Neck Cancer
  • Sino-Nasal Disorders

Education & Awards

Dr. Klarsfeld graduated from New York University - Mount Sinai. He has 4 awards.

Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)
Patients' Choice Award (2015)
Compassionate Doctor Recognition (2015)
On-Time Doctor Award (2015)


Dr. Klarsfeld has 5 hospital affiliations:

  • Yale-New Haven Hospital 
  • Danbury Hospital 


  • French
  • Spanish

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Additional Information
Dr. Jay Klarsfeld MD is a male Otolaryngologist, has 31 years of experience and practices in Otolaryngology.
Where does Dr. Jay Klarsfeld practice?
Dr. Jay Klarsfeld has 1 office location.
Dr. Jay Klarsfeld practices Otolaryngology near Danbury, CT.
See Danbury Otolaryngologists.