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

Zita Marie Duffy, MSW, LISW-S, CSW

Individual provider Social Worker · NPI 1598886566

Zita Marie Duffy, MSW, LISW-S, CSW is a Social Worker in Mishawaka, Indiana. Practices as a sole proprietor and works from 3 locations. Licensed in Indiana and Ohio.

Licensed in
IN, OH
In the registry since
2007
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

2410 Grape Rd
Mishawaka, IN 46545-3015
Phone: (574) 217-0128
Fax: (574) 288-3447
Show map & directions

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

Additional practice locations (2)

  • 500 S Front St, Columbus, OH 43215 — (419) 230-9815
  • 658 W Market St Ste 101, Lima, OH 45801 — (419) 222-1527

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 34008946A (IN)
Social Worker Taxonomy 104100000X · Licence 34008946A (IN)
Clinical Social Worker Taxonomy 1041C0700X · Licence I0009486-SUPV (OH)

Record details

NPI number1598886566
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LISW-S , CSW
Sole proprietorYes
NPI enumeratedApril 3, 2007
Last updated in NPPESSeptember 13, 2022
Certification dateSeptember 13, 2022

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