Individual provider · Type 1 NPI

John Neil Margolis, MD

Internal Medicine Physician · Laurel, MD

NPI number 1346231669 Active

Practice location

13952 Baltimore Avenue
Laurel, MD 20707

Call (301) 490-1990 Map

Fax (301) 490-8750

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XD25430 (MD)

Internal Medicine Physician: 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 medi…

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About NPI 1346231669

John Neil Margolis, MD's National Provider Identifier is 1346231669, issued on Nov 4, 2005. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Laurel, MD. The record was last updated on Jul 13, 2026.