What is Willie Siu's NPI number?

Willie Siu's National Provider Identifier (NPI) is 1407142961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Willie Siu's specialty?

Willie Siu is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Willie Siu located?

Willie Siu's practice location on file with NPPES is 1105 Massachusetts Ave, Cambridge, MA 02138-5220.

What is Willie Siu's phone number?

The practice phone number listed in the NPPES registry for Willie Siu is (617) 299-6794.

Is Willie Siu's NPI active?

Yes — Willie Siu's NPI (1407142961) is active in the NPPES registry as of the last update on 2015-08-03.

IndividualActive

Willie Siu, MD, DPHIL

NPI 1407142961 · Psychiatry Physician · Cambridge, MA

Willie Siu, MD, DPHIL is a Psychiatry Physician provider in Cambridge, MA (NPI 1407142961).

Provider details

NPI number: 1407142961
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD, DPHIL
Sex: Male
Sole proprietor: Yes
License: 258978 (MA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense 258978 (MA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(81/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
15 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1105 Massachusetts Ave

Suite 1g

Cambridge, MA 02138-5220

Phone: (617) 299-6794

Street-level locationGet directions

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Mailing address