What is Vanessa Massillon's NPI number?

Vanessa Massillon's National Provider Identifier (NPI) is 1598613119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Vanessa Massillon's specialty?

Vanessa Massillon is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).

Where is Vanessa Massillon located?

Vanessa Massillon's practice location on file with NPPES is 1 Boston Medical Ctr Pl Ste 1, Boston, MA 02118-2999.

What is Vanessa Massillon's phone number?

The practice phone number listed in the NPPES registry for Vanessa Massillon is (617) 877-2376.

Is Vanessa Massillon's NPI active?

Yes — Vanessa Massillon's NPI (1598613119) is active in the NPPES registry as of the last update on 2026-03-19.

IndividualActive

Vanessa Massillon, CHW

NPI 1598613119 · Community Health Worker · Boston, MA

Vanessa Massillon, CHW is a Community Health Worker provider in Boston, MA (NPI 1598613119).

Provider details

NPI number: 1598613119
Entity type: Individual
Primary specialty: Community Health WorkerOther Service Providers
Credential: CHW
Sex: Female
Sole proprietor: No
License: CHW01105 (MA)

Specialties & taxonomies

Community Health WorkerPrimary172V00000XLicense CHW01105 (MA)
Other Service Providers

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1 Boston Medical Ctr Pl Ste 1

Boston, MA 02118-2999

Phone: (617) 877-2376

Street-level locationGet directions

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Mailing address