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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).

Learn more about Dr. Stephen Sisselman:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (28)

The overall average patient rating of Dr. Stephen Sisselman is Good. Dr. Sisselman has been reviewed by 62 patients who have provided 28 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.7
Courteous Staff 4.7
Accurate Diagnosis 4.5
Bedside Manner 4.6
Spends Time with Me 4.5
Follows Up After Visit 4.4

Specialties & Research

Dr. Stephen Sisselman, DO, MD is board certified in Internal Medicine.

Education & Awards

Dr. Sisselman graduated from New York Institute of Technology, Old Westbury. He has 5 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2015)
Bridges to Excellence Recognition
Physician Office Systems Recognition (2016 - 2018)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2013 - 2016)
On-Time Doctor Award (2015)


Dr. Sisselman has 8 hospital affiliations:

  • North Shore University Hospital 
  • New Island Hospital 


  • Spanish

> > > > Dr. Stephen Sisselman, DO, MD

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Additional Information
Dr. Stephen Gerard Sisselman DO and MD is a male Internist, has 16 years of experience and practices in Internal Medicine.
Where does Dr. Stephen G. Sisselman practice?
Dr. Stephen Sisselman has 1 office location.
Dr. Stephen Sisselman practices Internal Medicine near Massapequa, NY.
See Massapequa Internists.