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

Dr. Robert J Birnbaum, MD, PHD

Individual provider Psychiatry Physician · NPI 1538140827

Dr. Robert J Birnbaum, MD, PHD is a Psychiatry Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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 Address checks out

55 Fruit St Wac 812 Massachusetts General Hospital
Boston, MA 02114-2621
Phone: (617) 724-6300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 56503 (MA)

Record details

NPI number1538140827
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedNovember 14, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 9142, Mass. General Physician Organization, Charlestown, MA 02129-9142

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