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

Mrs. Mary Liesel Roberts Derfield, MFT

Individual provider Marriage & Family Therapist · NPI 1780706200

Mrs. Mary Liesel Roberts Derfield, MFT is a Marriage & Family Therapist in San Francisco, 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

1914 15th St
San Francisco, CA 94114-1711
Phone: (415) 596-1327
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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 LMFT132852 (CA)

Record details

NPI number1780706200
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorNo
NPI enumeratedApril 4, 2007
Last updated in NPPESFebruary 16, 2024
Certification dateFebruary 16, 2024

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