What is Sara Calvosa's NPI number?

Sara Calvosa's National Provider Identifier (NPI) is 1588533541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sara Calvosa's specialty?

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

Where is Sara Calvosa located?

Sara Calvosa's practice location on file with NPPES is 231 Del Casa Dr, Mill Valley, CA 94941-1355.

What is Sara Calvosa's phone number?

The practice phone number listed in the NPPES registry for Sara Calvosa is (415) 419-1347.

Is Sara Calvosa's NPI active?

Yes — Sara Calvosa's NPI (1588533541) is active in the NPPES registry as of the last update on 2025-10-30.

IndividualActive

Sara Calvosa

NPI 1588533541 · Doula · Mill Valley, CA

Sara Calvosa is a Doula provider in Mill Valley, CA (NPI 1588533541).

Provider details

NPI number: 1588533541
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

231 Del Casa Dr

Mill Valley, CA 94941-1355

Phone: (415) 419-1347

Street-level locationGet directions

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Mailing address