What is Natalia Onyshchuk's NPI number?

Natalia Onyshchuk's National Provider Identifier (NPI) is 1528919545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Natalia Onyshchuk's specialty?

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

Where is Natalia Onyshchuk located?

Natalia Onyshchuk's practice location on file with NPPES is 4022 Sunrise Blvd Ste 120, Rancho Cordova, CA 95742-6911.

What is Natalia Onyshchuk's phone number?

The practice phone number listed in the NPPES registry for Natalia Onyshchuk is (631) 568-7307.

Is Natalia Onyshchuk's NPI active?

Yes — Natalia Onyshchuk's NPI (1528919545) is active in the NPPES registry as of the last update on 2026-02-05.

IndividualActive

Natalia Onyshchuk

NPI 1528919545 · Doula · Rancho Cordova, CA

Natalia Onyshchuk is a Doula provider in Rancho Cordova, CA (NPI 1528919545).

Provider details

NPI number: 1528919545
Entity type: Individual
Primary specialty: DoulaNursing Service Related Providers
Sex: Female
Sole proprietor: No
License: NONE (CA)

Specialties & taxonomies

DoulaPrimary374J00000XLicense NONE (CA)
Nursing Service Related Providers

Profile Score

Established profile(53/100 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
100% 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

4022 Sunrise Blvd Ste 120

Pmb #186

Rancho Cordova, CA 95742-6911

Phone: (631) 568-7307

Approximate (ZIP-level) locationGet directions

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Mailing address