NPI 1003308768

Matthew J Siekkinen, LCSW

Practitioner Clinical Social Worker Greencastle, IN

Practice location

Address: 239 Hillsdale Ave, Greencastle, IN 46135-1340
Phone: (765) 653-1024
Mailing address: 620 8th Ave, Terre Haute, IN 47804-2771

Registered specialties (2)

Clinical Social Worker Primary

Behavioral Health & Social Service Providers Taxonomy 1041C0700X Licence 34012446A (IN)

Other Social Worker providers in Indiana →

Social Worker

Behavioral Health & Social Service Providers Taxonomy 104100000X Licence 33007302A (IN)

Registry record

NPI: 1003308768
Entity type: Individual
Sex (as registered): Male
NPI issued: 30 May 2018
Record last updated: 8 Dec 2025

Reproduced from NPPES, the federal provider registry. The date above is when the provider last updated their own entry, not when we fetched it - a record can be years old and still current in the registry.