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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 (4)

The overall average patient rating of Dr. Daniel Siegel is Excellent. Dr. Siegel has been reviewed by 19 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 4.8
Courteous Staff 4.5
Accurate Diagnosis 4.7
Bedside Manner 4.7
Spends Time with Me 4.9
Follows Up After Visit 4.7

Specialties & Research

Dr. Daniel Siegel, MD is board certified in Dermatology.

  • He has special expertise in 6 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Mohs Surgery (Dermatological Surgery)
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. Siegel graduated from Albany Medical College. He has 3 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2006 - 2008, 2010 - 2015)
Patients' Choice Award (2010 - 2012)
Compassionate Doctor Recognition (2010 - 2012, 2014)


Dr. Siegel has 10 hospital affiliations:

  • St Catherine Of Siena Medical Center 
  • Eastern Long Island Hospital 


  • Spanish

> > > > Dr. Daniel Siegel, MD

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Additional Information
Dr. Daniel Siegel MD is a male Dermatologist, has 30 years of experience and practices in Dermatology.
Where does Dr. Daniel Siegel practice?
Dr. Daniel Siegel has 1 office location.
Dr. Daniel Siegel practices Dermatology near Smithtown, NY.
See Smithtown Dermatologists.