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

Guillermo Louis Rivell, MD, MS

Individual provider Internal Medicine Physician · NPI 1609219518

Guillermo Louis Rivell, MD, MS is an Internal Medicine Physician in Arlington, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1625 N George Mason Dr Ste 425
Arlington, VA 22205-3683
Phone: (703) 717-4400
Fax: (703) 717-4401
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101259990 (VA)

Record details

NPI number1609219518
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorYes
NPI enumeratedApril 10, 2013
Last updated in NPPESNovember 14, 2016

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