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

Lawrence Hartmann, MD

Individual provider Psychiatry Physician · NPI 1386775229

Lawrence Hartmann, MD is a Psychiatry Physician in Cambridge, 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.

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Practice location Address checks out

147 Brattle St
Cambridge, MA 02138-2234
Phone: (617) 876-8488
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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 29343 (MA)

Record details

NPI number1386775229
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 9, 2007
Last updated in NPPESJuly 8, 2007
Mailing address147 Brattle St, Cambridge, MA 02138-2234

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