What is Sierra Freedberg's NPI number?

Sierra Freedberg's National Provider Identifier (NPI) is 1821719618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sierra Freedberg's specialty?

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

Where is Sierra Freedberg located?

Sierra Freedberg's practice location on file with NPPES is 6 Kimball Ln Ste 301, Lynnfield, MA 01940-2682.

What is Sierra Freedberg's phone number?

The practice phone number listed in the NPPES registry for Sierra Freedberg is (781) 246-2010.

Is Sierra Freedberg's NPI active?

Yes — Sierra Freedberg's NPI (1821719618) is active in the NPPES registry as of the last update on 2026-03-25.

IndividualActive

Sierra Freedberg

NPI 1821719618 · Community Health Worker · Lynnfield, MA

Sierra Freedberg is a Community Health Worker provider in Lynnfield, MA (NPI 1821719618).

Provider details

NPI number: 1821719618
Entity type: Individual
Primary specialty: Community Health WorkerOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Community Health WorkerPrimary172V00000X
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
3 yrs 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

6 Kimball Ln Ste 301

Lynnfield, MA 01940-2682

Phone: (781) 246-2010

Street-level locationGet directions

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Mailing address