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

Louis Robert Macareo, MD, JD, MPH

Individual provider Internal Medicine Physician · NPI 1881891323

Louis Robert Macareo, MD, JD, MPH is an Internal Medicine Physician in Silver Spring, Maryland. Practices as a sole proprietor. Licensed in Georgia.

Licensed in
GA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Wrair Division Of Experimental Therapeutics 503 Robert Grant Ave
Silver Spring, MD 20910-7500
Phone: (301) 319-9412
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 050219 (GA)

Record details

NPI number1881891323
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , JD , MPH
Sole proprietorYes
NPI enumeratedJune 28, 2007
Last updated in NPPESJuly 8, 2007

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