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Dermatologist (skin)
29 years of experience
Video profile
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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. John O'Neill is Excellent. Dr. O'Neill has been reviewed by 8 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.3
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 3.8
Spends Time with Me 3.8
Follows Up After Visit 4.0

Specialties & Research

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

  • He has special expertise in 5 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. O'Neill graduated from Georgetown University, Washington. He has 2 awards.

Alpha Omega Alpha Medical Honor Society
Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. O'Neill has 6 hospital affiliations:

  • Suburban Hospital 
  • George Washington Univ Hospital 

> > > > Dr. John O'Neill, MD

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Additional Information
Dr. John Francis O'Neill MD is a male Dermatologist, has 29 years of experience and practices in Dermatology.
Where does Dr. John F. O'Neill practice?
Dr. John O'Neill has 2 office locations.
Dr. John O'Neill practices Dermatology near Washington, DC.
Additional practice locations include: Bethesda, MD.
See Washington Dermatologists.