Individual provider · Type 1 NPI

Peter J. Siekmeier, MD

Psychiatry Physician · Belmont, MA

NPI number 1477590156 Active

Practice location

115 Mill Street #310A, Mclean Hospital
Belmont, MA 02478

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician Primary 2084P0800X158642 (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 1477590156

Peter J. Siekmeier, MD's National Provider Identifier is 1477590156, issued on Jun 1, 2006. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Belmont, MA. The record was last updated on Jul 13, 2026.