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Dermatologist (skin)
27 years of experience
Accepting new patients
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. Peter O'Neill:

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Specialties & Research

Dr. Peter O'Neill, MD is board certified in Dermatology.

  • He has special expertise in 1 area:
  • Acne Rosacea

Education & Awards

Dr. O'Neill graduated from Georgetown University, Washington.


Dr. O'Neill has 9 hospital affiliations:

  • Winthrop University Hospital 
  • Mercy Medical Center 

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Additional Information
Dr. Peter Edward O'Neill MD is a male Dermatologist, has 27 years of experience and practices in Dermatology.
Where does Dr. Peter E. O'Neill practice?
Dr. Peter O'Neill has 2 office locations.
Dr. Peter O'Neill practices Dermatology near Uniondale, NY.
Additional practice locations include: Garden City, NY.
See Uniondale Dermatologists.