Individual
DR. GREGORY S SIBLEY
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
8613 ROUTE 29 STE 100N, FAIRFAX, VA 22031-2172
(571) 350-8400
(703) 280-9596
Mailing address
3040 WILLIAMS DR STE 100, FAIRFAX, VA 22031-4618
(571) 350-8400
(703) 280-9596
Taxonomy
Speciality
Code
Description
License number
State
2085R0001X
Radiation Oncology Physician
Primary
0101052359
VA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
5821738
—
DC
Enumeration date
08/09/2005
Last updated
11/11/2025
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