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. John O'Neill:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. John O'Neill is Excellent.
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Specialties & Research
Dr. John 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. He has 2 awards.
Dr. O'Neill has 6 hospital affiliations:
- Suburban Hospital
- George Washington Univ Hospital
Accepted Insurance Plans
Dr. O'Neill accepts these health insurances in at least one office:
- United Healthcare - 15 plans
- Humana - 2 plans
- Cigna - 3 plans
- United Health Group, Inc. - Americhoice - 1 plan
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- Additional Information
- Where does Dr. John F. O'Neill practice?
Dr. John O'Neill practices Dermatology near Bethesda, MD.
Additional practice locations include: Chevy Chase, MD.
See Bethesda Dermatologists.