Individual
DR. BARBARA CHRISTINE WILLIAMSON
Active
Sole proprietor
No
Provider details
NPI number
Gender
F
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207N00000X
Dermatology Physician
Primary
D0031566
MD
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
348025
UNITEDHEALTHCARE/MAMSI
MD
01
—
560789
AETNA
MD
01
—
6732BC
CAREFIRST MARYLAND
MD
01
—
9601-0001
CAREFIRSTD.C.
MD
Enumeration date
08/28/2005
Last updated
07/13/2026
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