Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MICHAEL R HOLLANDER PHD
NPI 1669449559
Psychiatry & Neurology - Psychiatry in Belmont, MA

Q: What is Michael Hollander's NPI number?

The NPI number for Michael Hollander is 1669449559. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Q: What is Michael Hollander's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Hollander was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 01, 2006

115 MILL ST, MCLEAN HOSPITAL, BELMONT, MA 02478(617) 724-0287 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Michael R Hollander Phd NPPES

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

DR. MICHAEL R HOLLANDER PHD (NPI 1669449559) is an individual psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (2630) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1669449559

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MICHAEL R HOLLANDERCredential: PHD

Location Address115 MILL ST, MCLEAN HOSPITALBelmont, MA 02478-9106

Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 724-0287

Sole ProprietorNo

Enumeration DateMarch 1, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1669449559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MA · 2630

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.

115 MILL ST, Belmont, MA 02478

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Other Providers at the Same Location NPPES 20

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

KATY TARELLA LICSW

Social Worker (Clinical)

115 MILL ST, MAILSTOP 137
BELMONT, MA 02478

Middlesex County (617) 855-4178

EVAN D MURRAY MD

Psychiatry & Neurology (Neurology)

115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478

Middlesex County (617) 855-2354

MIQVEH STEINHART

Social Worker (Clinical)

115 MILL ST
BELMONT, MA 02478

Middlesex County (617) 855-3118

DANIELLE PACE PSYD

Psychologist (Clinical)

115 MILL ST
BELMONT, MA 02478

Middlesex County (617) 855-2000

DR. MARNI JOY CHANOFF MD

Psychiatry & Neurology (Psychiatry)

115 MILL ST
BELMONT, MA 02478

Middlesex County (617) 855-3937

DR. NANCY ANN HUXLEY PH.D.

Psychologist (Clinical)

115 MILL ST
BELMONT, MA 02478

Middlesex County (617) 855-3645

JOAN MARTHA COTTLER LICSW

Social Worker (Clinical)

115 MILL ST
BELMONT, MA 02478

Middlesex County (617) 855-3623

PROF. BRUCE MICHAEL COHEN M.D., PH.D.

Psychiatry & Neurology (Psychiatry)

115 MILL ST
BELMONT, MA 02478

Middlesex County (617) 855-3227

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 Hollander's NPI number?

The NPI number for Michael Hollander is 1669449559. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is Michael Hollander located?

Michael Hollander practices at 115 Mill St Mclean Hospital, Belmont, MA 02478. The listed phone number is (617) 724-0287.

What is Michael Hollander'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 Hollander was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.