Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Robert Douglas Janke, MD

Individual provider Internal Medicine Physician · NPI 1215179254

Dr. Robert Douglas Janke, MD is an Internal Medicine Physician in Fairfax, Virginia. Works from 2 locations. Licensed in Michigan and Virginia.

Licensed in
MI, VA
In the registry since
2009
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8221 Willow Oaks Corporate Dr # 4-420
Fairfax, VA 22031-4512
Phone: (703) 289-7560
Fax: (703) 204-9001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 18101 Prince Philip Dr, Olney, MD 20832-1514 — (855) 633-0207

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 0101255421 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301085030 (MI)
Psychiatry Physician Taxonomy 2084P0800X · Licence 4301085030 (MI)

Record details

NPI number1215179254
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2009
Last updated in NPPESNovember 7, 2020
Certification dateNovember 7, 2020

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