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

Dr. Robert P. Williams, MD

Individual provider Gastroenterology Physician · NPI 1164527552

Dr. Robert P. Williams, MD is a Gastroenterology Physician in Washington D.C., District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
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

1140 Varnum Street N.e Ste 201
Washington D.C., DC 20017-2153
Phone: (202) 529-4535
Fax: (202) 635-4247
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD13374 (DC)

Record details

NPI number1164527552
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 13, 2006
Last updated in NPPESJuly 8, 2007