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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. Mark Sedler:

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Specialties & Research

Dr. Mark Sedler, MD, MPH is board certified in Psychiatry.

  • He has special expertise in 3 areas:
  • Bipolar Disorder / Manic Depressive Disorder
  • Dementia Related Behavioral Disorders
  • Depression

Education & Awards

Dr. Sedler graduated from Baylor College of Medicine, Houston.


Dr. Sedler has 6 hospital affiliations:

  • Stony Brook University Hospital 
  • Good Samaritan Hospital Medical Center 


  • Spanish
  • Russian

> > > > Dr. Mark Sedler, MD, MPH

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Additional Information
Dr. Mark Jeffrey Sedler MD and MPH is a male Psychiatrist, has 33 years of experience and practices in Psychiatry.
Where does Dr. Mark J. Sedler practice?
Dr. Mark Sedler has 1 office location.
Dr. Mark Sedler practices Psychiatry near Stony Brook, NY.
See Stony Brook Psychiatrists.