DR. BARBARA CHRISTINE WILLIAMSON M.D.
NPI 1972596690
Dermatology in Largo, MD
About Dr. Barbara Christine Williamson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARBARA CHRISTINE WILLIAMSON M.D. (NPI 1972596690) is an individual dermatology provider in Largo, Maryland, licensed in Maryland (D0031566) and active in the NPI registry since August 2005.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LARGO, MD 20774
LARGO, MD 20774
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Barbara Williamson's NPI number?
The NPI number for Barbara Williamson is 1972596690. It was assigned to this individual provider in the NPPES registry on August 28, 2005. The provider is also known as Mrs. Barbara Williamson Henry.
Where is Barbara Williamson located?
Barbara Williamson practices at 1400 Mercantile Ln Ste#110, Largo, MD 20774. The listed phone number is (301) 772-9775.
What is Barbara Williamson's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
When was this NPI record last updated?
The NPPES record for Barbara Williamson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.