What is Helena Vonk's NPI number?

Helena Vonk's National Provider Identifier (NPI) is 1295605574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Helena Vonk's specialty?

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

Where is Helena Vonk located?

Helena Vonk's practice location on file with NPPES is 2551 Harrington Ave Apt 2, Oakland, CA 94601-3860.

What is Helena Vonk's phone number?

The practice phone number listed in the NPPES registry for Helena Vonk is (510) 274-7865.

Is Helena Vonk's NPI active?

Yes — Helena Vonk's NPI (1295605574) is active in the NPPES registry as of the last update on 2025-11-11.

IndividualActive

Helena Vonk

NPI 1295605574 · Doula · Oakland, CA

Helena Vonk is a Doula provider in Oakland, CA (NPI 1295605574).

Provider details

NPI number: 1295605574
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

2551 Harrington Ave Apt 2

Oakland, CA 94601-3860

Phone: (510) 274-7865

Street-level locationGet directions

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Mailing address