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

JEFFERSON F ROSSITER
NPI 1821996745
Counselor - Mental Health in Moorpark, CA

Active since October 29, 2026
4200 MOUNTAIN MEADOW DR, MOORPARK, CA 93021(805) 378-6306 Get Directions Write a Review

NPPES record added: October 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jefferson F Rossiter NPPES

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

JEFFERSON F ROSSITER (NPI 1821996745) is an individual mental health provider in Moorpark, California, licensed in California (240151228) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1821996745
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameJEFFERSON F ROSSITER
Location Address4200 MOUNTAIN MEADOW DRMoorpark, CA 93021-2783
Mailing Address6087 E Los Angeles AveSomis, CA 93066-9789 · (805) 378-6300
Sole ProprietorNo
Enumeration DateOctober 29, 2026
NPPES CertifiedOctober 29, 2026
✔ NPI 1821996745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in CA · 240151228
4200 MOUNTAIN MEADOW DR, Moorpark, CA 93021

Other Providers at the Same Location NPPES

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

Speech-Language Pathologist
4200 MOUNTAIN MEADOW DR
MOORPARK, CA 93021

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 Jefferson Rossiter's NPI number?

The NPI number for Jefferson Rossiter is 1821996745. It was assigned to this individual provider in the NPPES registry on October 29, 2026.

Where is Jefferson Rossiter located?

Jefferson Rossiter practices at 4200 Mountain Meadow Dr, Moorpark, CA 93021. The listed phone number is (805) 378-6306.

What is Jefferson Rossiter's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Jefferson Rossiter was last updated on October 29, 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.