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

MS. Karen Duffy, MFTI

Individual provider Marriage & Family Therapist · NPI 1144551789

MS. Karen Duffy, MFTI is a Marriage & Family Therapist in Petaluma, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010

Practice location Address checks out

1500 Petaluma Blvd S
Petaluma, CA 94952-5545
Phone: (707) 765-8488
Fax: (707) 765-8482
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 IMF51997 (CA)

Record details

NPI number1144551789
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFTI
Sole proprietorNo
NPI enumeratedJanuary 21, 2010
Last updated in NPPESJanuary 21, 2010

Other providers in Petaluma