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

Matthew S Siegel, MD

Individual provider Child & Adolescent Psychiatry Physician · NPI 1134347560

Matthew S Siegel, MD is a Child & Adolescent Psychiatry Physician in Boston, Massachusetts. Licensed in Massachusetts and Maine. Registered with an NPI since 2007.

Licensed in
MA, ME
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

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 1017978 (MA)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 017772 (ME)

Record details

NPI number1134347560
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 23, 2007
Last updated in NPPESFebruary 1, 2024
Certification dateFebruary 1, 2024

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