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

James A Brown, MD

Individual provider Hematology & Oncology Physician · NPI 1689755431

James A Brown, MD is a Hematology & Oncology Physician in Rockville, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9707 Medical Center Dr Ste 300
Rockville, MD 20850-3348
Phone: (301) 424-6231
Fax: (301) 424-1057
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence D007285 (MD)

Record details

NPI number1689755431
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESJuly 8, 2007

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