Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Margaret Reba Stevens Oneill MD, LLC

Organization Dermatology Physician · NPI 1174793913

Margaret Reba Stevens Oneill MD, LLC provides Dermatology Physician services in Chevy Chase, Maryland. Licensed in Maryland. Registered with an NPI since 2008.

Licensed in
MD
In the registry since
2008
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

5454 Wisconsin Ave Ste 1400
Chevy Chase, MD 20815-6931 Not confirmed with CMS for 14 years — call before visiting
Phone: (301) 951-7905
Fax: (301) 951-7011
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence D0047472 (MD)

Record details

NPI number1174793913
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Margaret Oneill — Medical Doctor · (301) 951-7905
NPI enumeratedMarch 7, 2008
Last updated in NPPESJanuary 24, 2012
Mailing address5454 Wisconsin Ave, Suite 1400, Chevy Chase, MD 20815-6931

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