Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Helen M. Johnston

Individual provider Mental Health Counselor · NPI 1114252871

MS. Helen M. Johnston is a Mental Health Counselor in Corona, California. Practices as a sole proprietor. Registered with an NPI since 2009.

In the registry since
2009

Practice location Address checks out

629 N Main St Ste C-3
Corona, CA 92880-1409
Phone: (951) 738-2400
Fax: (951) 340-3566
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1114252871
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 13, 2009
Last updated in NPPESOctober 13, 2009

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