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

MS. Krystallia Kalliontzi

Individual provider Clinical Social Worker · NPI 1316620834

MS. Krystallia Kalliontzi is a Clinical Social Worker in Somerville, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

117 Summer St
Somerville, MA 02143-2706
Phone: (617) 354-2275
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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

Record details

NPI number1316620834
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedAugust 10, 2023
Last updated in NPPESAugust 10, 2023
Certification dateAugust 10, 2023

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