Individual
JOSHUA M ALLEN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
3580 JOSEPH SIEWICK DR STE 403, FAIRFAX, VA 22033-1764
(703) 391-4395
(703) 391-4394
Mailing address
PO BOX 37174, BALTIMORE, MD 21297-3174
(571) 423-5699
(571) 423-5698
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
0101268640
VA
207RH0000X
Hematology (Internal Medicine) Physician
0101268640
VA
207RX0202X
Medical Oncology Physician
Primary
0101268640
VA
Other
Enumeration date
04/01/2014
Last updated
04/22/2026
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