Individual provider · Type 1 NPI

Simon M. W. Lejeune, MD

Psychiatry Physician · Cambridge, MA

NPI number 1821035403 Active

Practice location

77 Mass Ave E23, Mit Medical Center
Cambridge, MA 02139

Mailing address

74 Beals St, Apt. #2
Brookline, MA 02446-6011

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician Primary 2084P0800X56687 (MA)

Psychiatry Physician: A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic la…

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About NPI 1821035403

Simon M. W. Lejeune, MD's National Provider Identifier is 1821035403, issued on Jun 1, 2006. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Cambridge, MA. The record was last updated on Jul 13, 2026.