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

Individual provider Psychiatry Physician · NPI 1669820296

David Grant Frederick, MD is a Psychiatry Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2016.

Licensed in
MA
In the registry since
2016
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114
Phone: (617) 724-5600
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Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 267798 (MA)

Record details

NPI number1669820296
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2016
Last updated in NPPESMay 24, 2016

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