Internal Medicine, Medical Oncology
JOHN DEEKEN MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1659390755 · enumerated 2006-07-19 · record updated 2022-02-25. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 8081 INNOVATION PARK DR, FAIRFAX, VA, 22031-4867 (571) 472-4724 Fax (571) 472-0241 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 37174, BALTIMORE, MD, 21297-3174 (571) 423-5699 Fax (571) 423-5698 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine, Hematology & Oncology 207RH0003X · License 036169 DC
- Internal Medicine, Medical Oncology 207RX0202X · Primary · License 0101235487 VA
In this directory
VA Fairfax County Fairfax Internal Medicine, Medical Oncology
Locations and evidence
-
Practice location
FAIRFAX, VA, 220314867
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.