Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mazen Jamil El-Sayed, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1790820504

Mazen Jamil El-Sayed, MD is a Student in an Organized Health Care Education/Training Program in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Boston Medical Ctr Pl Emergency Dept
Boston, MA 02118-2908
Phone: (617) 638-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence 239542 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1790820504
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 20, 2007
Last updated in NPPESJanuary 31, 2011

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