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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 (9)

The overall average patient rating of Dr. Mark Singer is Good. Dr. Singer has been reviewed by 20 patients who have provided 9 comments. The rating is 4 out of 5 stars.

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

Specialties & Research

Dr. Mark Singer, DO is board certified in Internal Medicine.

Education & Awards

Dr. Singer graduated from New York Institute of Technology, Old Westbury. He has 2 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2014 - 2015)
Patients' Choice Award (2008)


Dr. Singer has 8 hospital affiliations:

  • Mt Sinai Hospital 
  • New Island Hospital 


  • Chinese
  • French
  • Spanish
  • Japanese
  • Cantonese

> > > > Dr. Mark Singer, DO

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Additional Information
Dr. Mark Adam Singer DO is a male Internist, has 16 years of experience and practices in Internal Medicine.
Where does Dr. Mark A. Singer practice?
Dr. Mark Singer has 1 office location.
Dr. Mark Singer practices Internal Medicine near Huntington, NY.
See Huntington Internists.