What is Sierra Massey's NPI number?

Sierra Massey's National Provider Identifier (NPI) is 1912891144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sierra Massey's specialty?

Sierra Massey is listed in the NPPES registry with a primary specialty of Doula (Nursing Service Related Providers).

Where is Sierra Massey located?

Sierra Massey's practice location on file with NPPES is 556 Saint John Pl, Inglewood, CA 90301-1318.

What is Sierra Massey's phone number?

The practice phone number listed in the NPPES registry for Sierra Massey is (323) 301-0325.

Is Sierra Massey's NPI active?

Yes — Sierra Massey's NPI (1912891144) is active in the NPPES registry as of the last update on 2025-06-03.

IndividualActive

Sierra Massey

NPI 1912891144 · Doula · Inglewood, CA

Sierra Massey is a Doula provider in Inglewood, CA (NPI 1912891144).

Provider details

NPI number: 1912891144
Entity type: Individual
Primary specialty: DoulaNursing Service Related Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

DoulaPrimary374J00000X
Nursing Service Related 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

556 Saint John Pl

Inglewood, CA 90301-1318

Phone: (323) 301-0325

Street-level locationGet directions

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Mailing address