What is Ruth Guillaume's NPI number?

Ruth Guillaume's National Provider Identifier (NPI) is 1154144855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruth Guillaume's specialty?

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

Where is Ruth Guillaume located?

Ruth Guillaume's practice location on file with NPPES is 3297 Fulton St, Brooklyn, NY 11208-2017.

What is Ruth Guillaume's phone number?

The practice phone number listed in the NPPES registry for Ruth Guillaume is (343) 479-6837.

Is Ruth Guillaume's NPI active?

Yes — Ruth Guillaume's NPI (1154144855) is active in the NPPES registry as of the last update on 2026-05-20.

IndividualActive

Ruth Guillaume

NPI 1154144855 · Doula · Brooklyn, NY

Ruth Guillaume is a Doula provider in Brooklyn, NY (NPI 1154144855).

Provider details

NPI number: 1154144855
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(49/100 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

3297 Fulton St

Brooklyn, NY 11208-2017

Phone: (343) 479-6837

Street-level locationGet directions

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Mailing address