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

Ralph B Mahler

Individual provider Mental Health Counselor · NPI 1578812228

Ralph B Mahler is a Mental Health Counselor in Fairfield, California. Registered with an NPI since 2012.

In the registry since
2012

Practice location Address checks out

956 E Tabor Ave
Fairfield, CA 94533-4104
Phone: (707) 422-9345
Fax: (707) 422-2910
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 number1578812228
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 7, 2012
Last updated in NPPESSeptember 7, 2012

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