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

Stuart Marlon Portnoy, MD

Individual provider Specialist · NPI 1477806941

Stuart Marlon Portnoy, MD is a Specialist in Arlington, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2012
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

5151 10th Rd N
Arlington, VA 22205-2505
Phone: (703) 527-2380
Fax: (650) 412-0961
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 0101048587 (VA)

Record details

NPI number1477806941
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 22, 2012
Last updated in NPPESOctober 22, 2012
Mailing address5151 10th Rd N, Arlington, VA 22205-2505

Other providers in Arlington