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

Dr. Holly Duffy, LMFT

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1518230150

Dr. Holly Duffy, LMFT is a Marriage and Family Therapist in Santa Barbara, California. Qualified in 2013, 13 years ago. Practices as a sole proprietor. Licensed in California.

Years since qualifying
13
Licensed in
CA
In the registry since
2012
Specialties on file
3
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

4129 State St
Santa Barbara, CA 93110-1848
Phone: (805) 964-4795
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 111286 (CA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X
Counseling Psychologist Taxonomy 103TC1900X (CA)

Record details

NPI number1518230150
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedFebruary 13, 2012
Last updated in NPPESNovember 5, 2025
Certification dateNovember 5, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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