MS. HELEN M. JOHNSTON
NPI 1114252871
Counselor - Mental Health in Corona, CA

Q: What is Helen Johnston's NPI number?

The NPI number for Helen Johnston is 1114252871. It was assigned to this individual provider in the NPPES registry on October 13, 2009.

Q: What is Helen Johnston's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Helen Johnston was last updated on October 13, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 13, 2009

629 N MAIN ST, SUITE C-3, CORONA, CA 92880(951) 738-2400(951) 340-3566 Get Directions Write a Review

NPPES record last updated: October 13, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Ms. Helen M. Johnston NPPES

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

MS. HELEN M. JOHNSTON (NPI 1114252871) is an individual mental health provider in Corona, California and active in the NPI registry since October 2009.

NPPES Registry Identity

NPI1114252871

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMS. HELEN M. JOHNSTON

Location Address629 N MAIN ST, SUITE C-3Corona, CA 92880-1409

Mailing Address629 N Main St, Suite C-3Corona, CA 92880-1409 · (951) 738-2400 · Fax (951) 340-3566

Phone(951) 738-2400

Fax(951) 340-3566

Sole ProprietorYes

Enumeration DateOctober 13, 2009

✔ NPI 1114252871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

629 N MAIN ST, Corona, CA 92880

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Other Providers at the Same Location NPPES 9

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

MRS. NAFISA HUSAIN

Marriage & Family Therapist

629 N MAIN ST
CORONA, CA 92880

Riverside County (951) 738-2400

KELLY PARKER LVN

Licensed Vocational Nurse

629 N MAIN ST
CORONA, CA 92880

Riverside County (951) 738-2400

MR. LUKE ALAN STUARD

Marriage & Family Therapist

629 N MAIN ST
CORONA, CA 92880

Riverside County (951) 738-4850

SYLVIA BISHOP

Case Management

629 N MAIN ST, STE. C - 3
CORONA, CA 92880

Riverside County (951) 738-2400

JOSEPH WILLIAM SALTHOUSE L.V.N.

Licensed Vocational Nurse

629 N MAIN ST, SUITE C-3
CORONA, CA 92880

Riverside County (951) 738-4200

ROBERT CORDERO

Case Manager/Care Coordinator

629 N MAIN ST, SUITE C-3
CORONA, CA 92880

Riverside County (951) 738-2400

TERESA MARIE MENDOZA M.S INTERN

Marriage & Family Therapist

629 N MAIN ST, SUITE C-3
CORONA, CA 92880

Riverside County (951) 738-2400

RAFAEL MORALES TOIA

Marriage & Family Therapist

629 N MAIN ST, SUITE C-3
CORONA, CA 92880

Riverside County (951) 738-2400

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 Helen Johnston's NPI number?

The NPI number for Helen Johnston is 1114252871. It was assigned to this individual provider in the NPPES registry on October 13, 2009.

Where is Helen Johnston located?

Helen Johnston practices at 629 N Main St Suite C-3, Corona, CA 92880. The listed phone number is (951) 738-2400.

What is Helen Johnston'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 Helen Johnston was last updated on October 13, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.