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

Individual provider Psychiatry Physician · NPI 1437354040

Justin T Baker, MD, PHD is a Psychiatry Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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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) 726-2066
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Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence L-232455 (MA)

Record details

NPI number1437354040
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 15, 2007
Last updated in NPPESJuly 8, 2007
Mailing addressMassachusetts General Hospital, 55 Fruit Street, Boston, MA 02114

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