Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sam Rappaport
Social Worker in Charlestown, MA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669947594
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Registry record
Entity type Individual (Type 1)
Name Sam Rappaport
Sex Male
Practice address 529 Main St Ste 100, Charlestown, MA, 02129
Phone (617) 864-8140
Enumeration date Oct 8, 2018
Last updated in NPPES Oct 8, 2018
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Sam Rappaport?
The National Provider Identifier (NPI) for Sam Rappaport is 1669947594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sam Rappaport practice?
The practice location on file with NPPES is in Charlestown, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Shannon Secrist Clinical Social Worker · Charlestown, MA NPI 1275631723 Angela Morris Counselor · Charlestown, MA NPI 1326464983 Gerard Distefano Counselor · Charlestown, MA NPI 1144646795 Silvia Ramirez Counselor · Charlestown, MA NPI 1295151819 Michael Lara Social Worker · Charlestown, MA NPI 1356705750 Neil Peterson Case Manager/Care Coordinator · Charlestown, MA NPI 1720435498 Kaitlin Bryant Clinical Social Worker · Boston, MA NPI 1205311727
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-08.