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

Mr. Mark Grieshaber, MFT

Individual provider Marriage & Family Therapist · NPI 1548550122

Mr. Mark Grieshaber, MFT is a Marriage & Family Therapist in Los Angeles, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

10379 W Pico Blvd
Los Angeles, CA 90064-2608
Phone: (310) 785-9456
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC36016 (CA)

Record details

NPI number1548550122
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT
Sole proprietorNo
NPI enumeratedApril 15, 2011
Last updated in NPPESApril 15, 2011

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