Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Wowlvenn Seward-Katzmiller, MFT

Individual provider Marriage & Family Therapist · NPI 1679784383

MS. Wowlvenn Seward-Katzmiller, MFT is a Marriage & Family Therapist in Sebastopol, California. Practices as a sole proprietor. Licensed in California.

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

517 Petaluma Ave Ste 1
Sebastopol, CA 95472-4215
Phone: (707) 787-0402
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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 LMFT45718 (CA)

Record details

NPI number1679784383
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorYes
NPI enumeratedMay 24, 2007
Last updated in NPPESSeptember 10, 2018

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