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

Robert Kalfus

Individual provider Internal Medicine Physician · NPI 1750605200

Robert Kalfus is an Internal Medicine Physician in Chevy Chase, Maryland. Practices as a sole proprietor. Licensed in District of Columbia and Maryland.

Licensed in
DC, MD
In the registry since
2010
Specialties on file
2

Practice location Address checks out

5454 Wisconsin Ave Ste 1725
Chevy Chase, MD 20815-6901
Phone: (301) 654-1575
Fax: (301) 654-5658
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence D007751 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD039449 (DC)

Record details

NPI number1750605200
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 25, 2010
Last updated in NPPESJuly 1, 2014
Mailing address5454 Wisconsin Ave, Suite 1725, Chevy Chase, MD 20815-6901

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