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

Individual provider Clinical Social Worker · NPI 1124304720

Santiago Alfonso Carvallo, MSW is a Clinical Social Worker in Chelsea, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2011.

Licensed in
MA
In the registry since
2011
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

301 Broadway
Chelsea, MA 02150-2807
Phone: (617) 889-4860
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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 S77142590 (MA)

Record details

NPI number1124304720
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedOctober 26, 2011
Last updated in NPPESOctober 26, 2011

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