What is Jier Yang's NPI number?

Jier Yang's National Provider Identifier (NPI) is 1912858192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jier Yang's specialty?

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

Where is Jier Yang located?

Jier Yang's practice location on file with NPPES is 29 Woodbine St, Somerville, MA 02143-1118.

What is Jier Yang's phone number?

The practice phone number listed in the NPPES registry for Jier Yang is (650) 996-0506.

Is Jier Yang's NPI active?

Yes — Jier Yang's NPI (1912858192) is active in the NPPES registry as of the last update on 2026-02-04.

IndividualActive

Jier Yang

NPI 1912858192 · Doula · Somerville, MA

Jier Yang is a Doula provider in Somerville, MA (NPI 1912858192).

Provider details

NPI number: 1912858192
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(47/100 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
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

29 Woodbine St

Somerville, MA 02143-1118

Phone: (650) 996-0506

Street-level locationGet directions

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Mailing address