RUBY JOHNSTONE
NPI 1326688979
Counselor - Addiction (Substance Use Disorder) in Ventura, CA

Q: What is Ruby Johnstone's NPI number?

The NPI number for Ruby Johnstone is 1326688979. It was assigned to this individual provider in the NPPES registry on January 12, 2020.

Q: What is Ruby Johnstone'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 Ruby Johnstone was last updated on January 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 January 12, 2020

334 W HARRISON AVE, VENTURA, CA 93001(805) 256-4993 Get Directions Write a Review

NPPES record last updated: January 12, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ruby Johnstone NPPES

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

RUBY JOHNSTONE (NPI 1326688979) is an individual addiction (substance use disorder) provider in Ventura, California and active in the NPI registry since January 2020.

NPPES Registry Identity

NPI1326688979

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameRUBY JOHNSTONE

Location Address334 W HARRISON AVEVentura, CA 93001-1826

Mailing Address334 W Harrison AveVentura, CA 93001-1826 · (805) 256-4993

Phone(805) 256-4993

Sole ProprietorNo

Enumeration DateJanuary 12, 2020

✔ NPI 1326688979 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

334 W HARRISON AVE, Ventura, CA 93001

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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 Ruby Johnstone's NPI number?

The NPI number for Ruby Johnstone is 1326688979. It was assigned to this individual provider in the NPPES registry on January 12, 2020.

Where is Ruby Johnstone located?

Ruby Johnstone practices at 334 W Harrison Ave, Ventura, CA 93001. The listed phone number is (805) 256-4993.

What is Ruby Johnstone'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 Ruby Johnstone was last updated on January 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.