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

MS. IRIS YVETTE KNIGHTEN 01-04
NPI 1902196496
Counselor - Addiction (Substance Use Disorder) in Gardena, CA

Q: What is Iris Knighten's NPI number?

The NPI number for Iris Knighten is 1902196496. It was assigned to this individual provider in the NPPES registry on April 18, 2011.

Q: What is Iris Knighten's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Iris Knighten was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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 April 18, 2011

16914 S. BERENDO AVE # B, GARDENA, CA 90247(424) 646-0899 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Ms. Iris Yvette Knighten 01-04 NPPES

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

MS. IRIS YVETTE KNIGHTEN 01-04 (NPI 1902196496) is an individual addiction (substance use disorder) provider in Gardena, California and active in the NPI registry since April 2011.

NPPES Registry Identity

NPI1902196496

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameMS. IRIS YVETTE KNIGHTENCredential: 01-04

Location Address16914 S. BERENDO AVE # BGardena, CA 90247

Mailing Address16914 S Berendo Ave # BGardena, CA 90247-5516 · (424) 646-0899

Phone(424) 646-0899

Sole ProprietorNo

Enumeration DateApril 18, 2011

Last NPPES UpdateSeptember 29, 2026

✔ NPI 1902196496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

16914 S. BERENDO AVE # B, Gardena, CA 90247

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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 Iris Knighten's NPI number?

The NPI number for Iris Knighten is 1902196496. It was assigned to this individual provider in the NPPES registry on April 18, 2011.

Where is Iris Knighten located?

Iris Knighten practices at 16914 S. Berendo Ave # B, Gardena, CA 90247. The listed phone number is (424) 646-0899.

What is Iris Knighten's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Iris Knighten was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.