What is Liam Sullivan's NPI number?

Liam Sullivan's National Provider Identifier (NPI) is 1013804061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Liam Sullivan's specialty?

Liam Sullivan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Liam Sullivan located?

Liam Sullivan's practice location on file with NPPES is 1493 Cambridge St # 508, Cambridge, MA 02139-1099.

What is Liam Sullivan's phone number?

The practice phone number listed in the NPPES registry for Liam Sullivan is (617) 665-1185.

Is Liam Sullivan's NPI active?

Yes — Liam Sullivan's NPI (1013804061) is active in the NPPES registry as of the last update on 2025-06-23.

IndividualActive

Liam Sullivan

NPI 1013804061 · Social Worker · Cambridge, MA

Liam Sullivan is a Social Worker provider in Cambridge, MA (NPI 1013804061).

Provider details

NPI number: 1013804061
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

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

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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

1493 Cambridge St # 508

Cambridge, MA 02139-1099

Phone: (617) 665-1185

Street-level locationGet directions

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Mailing address