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

John Neil Margolis, MD

Individual provider Internal Medicine Physician · NPI 1346231669

John Neil Margolis, MD is an Internal Medicine Physician in Laurel, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
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

13952 Baltimore Ave
Laurel, MD 20707
Phone: (301) 490-1990
Fax: (301) 490-8750
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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 D25430 (MD)

Record details

NPI number1346231669
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 4, 2005
Last updated in NPPESJuly 13, 2026
Mailing address13952 Baltimore Avenue, Laurel, MD 20707

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