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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 (2)

The overall average patient rating of Dr. Stephen Sisselman is Good. Dr. Sisselman has been reviewed by 6 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.0
Courteous Staff 3.0
Accurate Diagnosis 3.0
Bedside Manner 3.0
Spends Time with Me 3.0
Follows Up After Visit 3.0

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 2 awards.

Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2013 - 2016)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2013 - 2016)


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 15 years of experience and practices in Internal Medicine.
Where does Dr. Stephen G. Sisselman practice?
Dr. Stephen Sisselman has 5 office locations.
Dr. Stephen Sisselman practices Internal Medicine near Massapequa, NY.
Additional practice locations include: Wantagh, NY and Commack, NY.
See Massapequa Internists.