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

Nancy Wirz, MFT

Individual provider Marriage & Family Therapist · NPI 1497946941

Nancy Wirz, MFT is a Marriage & Family Therapist in Rancho Cucamonga, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

9478 Etiwanda Ave
Rancho Cucamonga, CA 91739-9662
Phone: (909) 463-7623
Fax: (909) 463-7625
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 32943 (CA)

Record details

NPI number1497946941
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorNo
NPI enumeratedAugust 8, 2007
Last updated in NPPESAugust 8, 2007
Mailing address9478 Etiwanda Ave, Rancho Cucamonga, CA 91739-9662

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