LOUIS ROBERT MACAREO M.D., J.D., M.P.H.
NPI 1881891323
Internal Medicine in Silver Spring, MD

Active since June 28, 2007
WRAIR DIVISION OF EXPERIMENTAL THERAPEUTICS, 503 ROBERT GRANT AVE., SILVER SPRING, MD 20910(301) 319-9412 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Louis Robert Macareo M.d., J.d., M.p.h. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LOUIS ROBERT MACAREO M.D., J.D., M.P.H. (NPI 1881891323) is an individual internal medicine provider in Silver Spring, Maryland, licensed in Georgia (050219) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1881891323
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLOUIS ROBERT MACAREOCredential: M.D., J.D., M.P.H.
Location AddressWRAIR DIVISION OF EXPERIMENTAL THERAPEUTICS, 503 ROBERT GRANT AVE.Silver Spring, MD 20910-7500
Mailing AddressWrair Division Of Experimental Therapeutics, 503 Robert Grant Ave.Silver Spring, MD 20910-7500 · (301) 319-9412
Sole ProprietorYes
Enumeration DateJune 28, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1881891323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in GA · 050219
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
WRAIR DIVISION OF EXPERIMENTAL THERAPEUTICS, Silver Spring, MD 20910

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Louis Macareo's NPI number?

The NPI number for Louis Macareo is 1881891323. It was assigned to this individual provider in the NPPES registry on June 28, 2007.

Where is Louis Macareo located?

Louis Macareo practices at Wrair Division Of Experimental Therapeutics 503 Robert Grant Ave., Silver Spring, MD 20910. The listed phone number is (301) 319-9412.

What is Louis Macareo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Louis Macareo was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.