WILLIE O SIU MD, DPHIL
NPI 1407142961
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Q: What is Willie Siu's NPI number?

The NPI number for Willie Siu is 1407142961. It was assigned to this individual provider in the NPPES registry on June 23, 2011.

Q: What is Willie Siu'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 Willie Siu was last updated on August 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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 June 23, 2011

1105 MASSACHUSETTS AVE, SUITE 1G, CAMBRIDGE, MA 02138(617) 299-6794 Get Directions Write a Review

NPPES record last updated: August 3, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Willie O Siu Md, Dphil NPPES

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

WILLIE O SIU MD, DPHIL (NPI 1407142961) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (258978) and active in the NPI registry since June 2011.

NPPES Registry Identity

NPI1407142961

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameWILLIE O SIUCredential: MD, DPHIL

Location Address1105 MASSACHUSETTS AVE, SUITE 1GCambridge, MA 02138-5220

Mailing Address1105 Massachusetts Ave, Suite 1gCambridge, MA 02138-5220 · (617) 299-6794

Phone(617) 299-6794

Sole ProprietorYes

Enumeration DateJune 23, 2011

Last NPPES UpdateAugust 3, 2015

✔ NPI 1407142961 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 · 258978

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.

1105 MASSACHUSETTS AVE, Cambridge, MA 02138

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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.

DR. PETER F WOHLAUER M.D.

Psychiatry & Neurology (Psychiatry)

1105 MASSACHUSETTS AVE, SUITE 2C
CAMBRIDGE, MA 02138

Middlesex County (617) 491-2301

MRS. KYRA L MONTAGU MSW LICSW

Social Worker (Clinical)

1105 MASSACHUSETTS AVE, SUITE 2D
CAMBRIDGE, MA 02138

Middlesex County (617) 277-9814

DR. DONALD MEYER MD

Psychiatry & Neurology (Psychiatry)

1105 MASSACHUSETTS AVE, SUITE 11E
CAMBRIDGE, MA 02138

Middlesex County (617) 491-6868

JACK BEINASHOWITZ PH.D.

Psychologist

1105 MASSACHUSETTS AVE, SUITE 2C
CAMBRIDGE, MA 02138

Middlesex County (617) 441-8010

DR. LAWRENCE GENE ROSENBERG PH.D.

Psychologist (Clinical)

1105 MASSACHUSETTS AVE, SUITE 3F
CAMBRIDGE, MA 02138

Middlesex County (617) 491-1085

DR. LINDA M LUZ-ALTERMAN PH.D.

Psychologist (Health Service)

1105 MASSACHUSETTS AVE, SUITE 3-C
CAMBRIDGE, MA 02138

Middlesex County (617) 354-3215

MR. SEWARD THOMAS HUNTER MSW, LICSW

Social Worker (Clinical)

1105 MASSACHUSETTS AVE, SUITE 1G
CAMBRIDGE, MA 02138

Middlesex County (617) 628-3163

EMMELINE A DILLER M.D.

Psychiatry & Neurology (Psychiatry)

1105 MASSACHUSETTS AVE, #2-D
CAMBRIDGE, MA 02138

Middlesex County (617) 876-5453

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 Willie Siu's NPI number?

The NPI number for Willie Siu is 1407142961. It was assigned to this individual provider in the NPPES registry on June 23, 2011.

Where is Willie Siu located?

Willie Siu practices at 1105 Massachusetts Ave Suite 1G, Cambridge, MA 02138. The listed phone number is (617) 299-6794.

What is Willie Siu'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 Willie Siu was last updated on August 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.