Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

SARAH JEANHEE YOON RN, WHNP, CNM, IBCLC
NPI 1669397394
Registered Nurse - Lactation Consultant in Tustin, CA

Q: What is Sarah Yoon's NPI number?

The NPI number for Sarah Yoon is 1669397394. It was assigned to this individual provider in the NPPES registry on August 11, 2026.

Q: What is Sarah Yoon's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Lactation Consultant, with taxonomy code 163WL0100X.

Q: When was this NPI record last updated?

The NPPES record for Sarah Yoon was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 11, 2026

224 JET STRM, TUSTIN, CA 92782(626) 589-4932 Get Directions Write a Review

NPPES record added: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About Sarah Jeanhee Yoon Rn, Whnp, Cnm, Ibclc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SARAH JEANHEE YOON RN, WHNP, CNM, IBCLC (NPI 1669397394) is an individual lactation consultant provider in Tustin, California, licensed in California (L-322887) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1669397394

Entity TypeIndividualFemale

Primary Taxonomy163WL0100X

Provider Legal NameSARAH JEANHEE YOONCredential: RN, WHNP, CNM, IBCLC

Location Address224 JET STRMTustin, CA 92782-6525

Mailing Address224 Jet StrmTustin, CA 92782-6525 · (626) 589-4932

Phone(626) 589-4932

Sole ProprietorYes

Enumeration DateAugust 11, 2026

NPPES CertifiedAugust 11, 2026

✔ NPI 1669397394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRegistered Nurse · Lactation ConsultantNursing Service Providers

Taxonomy Code163WL0100X

License✔ Licensed in CA · L-322887

Also ListedRegistered NurseTaxonomy 163W00000X · License 791061 (CA)

Also ListedAdvanced Practice MidwifeTaxonomy 367A00000X · License 236607 (CA)

224 JET STRM, Tustin, CA 92782

Open in Google Maps ↗

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SERAM VILLAGE LLC

Registered Nurse (Lactation Consultant)

224 JET STRM
TUSTIN, CA 92782

Orange County (626) 589-4932

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarah Yoon's NPI number?

The NPI number for Sarah Yoon is 1669397394. It was assigned to this individual provider in the NPPES registry on August 11, 2026.

Where is Sarah Yoon located?

Sarah Yoon practices at 224 Jet Strm, Tustin, CA 92782. The listed phone number is (626) 589-4932.

What is Sarah Yoon's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Lactation Consultant, with taxonomy code 163WL0100X.

When was this NPI record last updated?

The NPPES record for Sarah Yoon was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.