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

Dr. Frederick Greiner Barr, MD

Individual provider Hematology & Oncology Physician · NPI 1184620122

Dr. Frederick Greiner Barr, MD is a Hematology & Oncology Physician in Chevy Chase, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2005
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

5454 Wisconsin Ave Ste 1300
Chevy Chase, MD 20815-6908
Phone: (301) 657-8587
Fax: (301) 654-3958
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence D22775 (MD)

Record details

NPI number1184620122
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 23, 2005
Last updated in NPPESNovember 23, 2010
Mailing address5454 Wisconsin Ave, Ste 1300, Chevy Chase, MD 20815-6908

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