Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE KO NP
NPI 1679038103
Nurse Practitioner in Colton, CA

Q: What is Katherine Ko's NPI number?

The NPI number for Katherine Ko is 1679038103. It was assigned to this individual provider in the NPPES registry on February 8, 2019.

Q: What is Katherine Ko's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Ko was last updated on October 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 February 08, 2019

400 N PEPPER AVE, COLTON, CA 92324(909) 580-1000 Get Directions Write a Review

NPPES record last updated: October 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 10, 2026, Feb 8, 2019 (2 updates tracked since 2019).

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About Katherine Ko Np NPPES

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

KATHERINE KO NP (NPI 1679038103) is an individual nurse practitioner in Colton, California, licensed in California (95009181) and active in the NPI registry since February 2019.

NPPES Registry Identity

NPI1679038103

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKATHERINE KOCredential: NP

Location Address400 N PEPPER AVEColton, CA 92324-1819

Mailing Address21233 Corral CtWalnut, CA 91789-2031 · (909) 569-4954

Phone(909) 580-1000

Sole ProprietorNo

Enumeration DateFebruary 8, 2019

Last NPPES UpdateOctober 10, 20262 updates tracked since enumeration

NPPES CertifiedOctober 10, 2026

✔ NPI 1679038103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 95009181

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

400 N PEPPER AVE, Colton, CA 92324

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Other Providers at the Same Location NPPES 20

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