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

Dawn Breitenbach, LCSW

Individual provider Clinical Social Worker · NPI 1255142162

Dawn Breitenbach, LCSW is a Clinical Social Worker in Amagansett, New York. Qualified in 1997, 29 years ago. Practices as a sole proprietor. Licensed in New York.

Years since qualifying
29
Licensed in
NY
In the registry since
2025
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

249 Main St
Amagansett, NY 11930-2000
Phone: (631) 375-4964
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 099010 (NY)

Record details

NPI number1255142162
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 20, 2025
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Amagansett