DR. MICHAEL JOSHUA OSTACHER MD
NPI 1093789083
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since February 15, 2006
50 STANIFORD ST STE 580, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 726-5258(617) 726-6768 Get Directions Write a Review

NPPES record last updated: May 3, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Michael Joshua Ostacher Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL JOSHUA OSTACHER MD (NPI 1093789083) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (72605) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1093789083
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MICHAEL JOSHUA OSTACHERCredential: MD
Location Address50 STANIFORD ST STE 580, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114-2540
Mailing AddressPo Box 9142, Mass. General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 726-6768
Sole ProprietorNo
Enumeration DateFebruary 15, 2006
Last NPPES UpdateMay 3, 2013
NPI 1093789083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in MA · 72605
Definition

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 laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License 72605 (MA)
Also ListedPsychiatry & Neurology · Forensic PsychiatryTaxonomy 2084F0202X · License 72605 (MA)
50 STANIFORD ST STE 580, Boston, MA 02114

Other Identifiers 2

Medicare UPINE56603
Medicaid311 08 42MA

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
50 STANIFORD ST STE 580
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Ostacher's NPI number?

The NPI number for Michael Ostacher is 1093789083. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Michael Ostacher located?

Michael Ostacher practices at 50 Staniford St Ste 580 Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-5258.

What is Michael Ostacher's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Michael Ostacher was last updated on May 3, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.