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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ROSS JOHN BALDESSARINI MD
NPI 1487644787
Psychiatry & Neurology - Psychiatry in Belmont, MA

Active since October 27, 2005
115 MILL ST, BELMONT, MA 02478(617) 855-3203(617) 855-3479 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Ross John Baldessarini Md NPPES

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

DR. ROSS JOHN BALDESSARINI MD (NPI 1487644787) is an individual psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (29098) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1487644787
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ROSS JOHN BALDESSARINICredential: MD
Location Address115 MILL STBelmont, MA 02478-9106
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 855-3203
Fax(617) 855-3479
Sole ProprietorNo
Enumeration DateOctober 27, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1487644787 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 · 29098
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 Ross Baldessarini's NPI number?

The NPI number for Ross Baldessarini is 1487644787. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Ross Baldessarini located?

Ross Baldessarini practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-3203.

What is Ross Baldessarini'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 Ross Baldessarini was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.