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

KATHERINE ERWIN RN
NPI 1275439424
Registered Nurse - Case Management in Ukiah, CA

Q: What is Katherine Erwin's NPI number?

The NPI number for Katherine Erwin is 1275439424. It was assigned to this individual provider in the NPPES registry on October 15, 2026.

Q: What is Katherine Erwin's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Case Management, with taxonomy code 163WC0400X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Erwin was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 October 15, 2026

643 S MAIN ST, UKIAH, CA 95482(707) 391-1179 Get Directions Write a Review

NPPES record added: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Katherine Erwin Rn NPPES

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

KATHERINE ERWIN RN (NPI 1275439424) is an individual case management provider in Ukiah, California, licensed in California (95148944) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1275439424

Entity TypeIndividualFemale

Primary Taxonomy163WC0400X

Provider Legal NameKATHERINE ERWINCredential: RN

Location Address643 S MAIN STUkiah, CA 95482-4985

Mailing Address409 Sw 13th StRedmond, OR 97756-2016 · (707) 391-1179

Phone(707) 391-1179

Sole ProprietorNo

Enumeration DateOctober 15, 2026

NPPES CertifiedOctober 15, 2026

✔ NPI 1275439424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Case ManagementNursing Service Providers

Taxonomy Code163WC0400X

License✔ Licensed in CA · 95148944

643 S MAIN ST, Ukiah, CA 95482

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Other Providers at the Same Location NPPES 3

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

ALLISON DENISE ELDRIDGE MALAN LCSW

Social Worker (Clinical)

643 S MAIN ST
UKIAH, CA 95482

Mendocino County (707) 391-6719

MARY RINGS-JOHNSON RN

Family Medicine (Hospice and Palliative Medicine)

643 S MAIN ST
UKIAH, CA 95482

Mendocino County (707) 380-0508

MATTHEW SLATON RN

Registered Nurse

643 S MAIN ST
UKIAH, CA 95482

Mendocino County (707) 380-5080

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 Katherine Erwin's NPI number?

The NPI number for Katherine Erwin is 1275439424. It was assigned to this individual provider in the NPPES registry on October 15, 2026.

Where is Katherine Erwin located?

Katherine Erwin practices at 643 S Main St, Ukiah, CA 95482. The listed phone number is (707) 391-1179.

What is Katherine Erwin's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Case Management, with taxonomy code 163WC0400X.

When was this NPI record last updated?

The NPPES record for Katherine Erwin was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.