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

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