Browse Health
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 Good. Dr. O'Neill has been reviewed by 7 patients who have provided 3 comments. The rating is 4 out of 5 stars.

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

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

Similar doctors nearby

Dr. Susan Elliott

35 years experience
Washington, DC

Dr. Chicky Dadlani

12 years experience
Washington, DC

Dr. Christian Millett

4 years experience
Washington, DC

Dr. Christopher Dolan

12 years experience
Washington, DC

Dr. Catharine Kauffman

25 years experience
Washington, DC

Dr. Josephine Nguyen

8 years experience
Washington, DC
Search All Similar Doctors
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.