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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. Brian Margolis:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Brian Margolis, Pulmonary & Sleep Medicine is Good. Dr. Margolis has been reviewed by 23 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.8
Courteous Staff 3.7
Accurate Diagnosis 4.3
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.5

Specialties & Research

Dr. Brian Margolis, MD is board certified in Internal Medicine, Pulmonary Disease, and Sleep Medicine.

  • He has special expertise in 14 areas:
  • Apnea
  • Asthma
  • Bronchoscopy
  • Insomnia
  • Lung Cancer
  • Narcolepsy
  • Night Terrors
  • Pneumonia
  • Respiratory Disorders
  • Restless Legs Syndrome
  • Sepsis (Blood Poisoning)
  • Sleep Apnea (Sleep Apnea Syndromes)
  • Sleep Deprivation
  • Sleep Disorders

Education & Awards

Dr. Margolis graduated from Brown University, Providence.


Dr. Margolis has 2 hospital affiliations:

  • Stony Brook University Hospital 
  • St Catherine Of Siena Medical Center 


  • Polish
  • Italian
  • Chinese
  • Russian
  • Spanish

> > > > Dr. Brian Margolis, MD

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Additional Information
Dr. Brian Howard Margolis MD is a male Internist, has 31 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, Sleep Medicine, and Hospitalist.
Where does Dr. Brian H. Margolis practice?
Dr. Brian Margolis has 1 office location.
Dr. Brian Margolis practices Internal Medicine, Pulmonary Disease, Critical Care Medicine, Sleep Medicine, and Hospitalist near Smithtown, NY.
See Smithtown Internists, Smithtown Pulmonologists, Smithtown Critical Care Practitioners, Smithtown Sleep Medicine Doctors, and Smithtown Hospitalists.