Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joselyn Maysonet-Lopez
Behavior Analyst in Waltham, MA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245609882
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Registry record
Entity type Individual (Type 1)
Name Joselyn Maysonet-Lopez
Sex Female
Practice address 1430 Main St, Waltham, MA, 02451
Phone (781) 697-5300
Enumeration date Sep 24, 2015
Last updated in NPPES Oct 6, 2015
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 Joselyn Maysonet-Lopez?
The National Provider Identifier (NPI) for Joselyn Maysonet-Lopez is 1245609882, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joselyn Maysonet-Lopez practice?
The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Marion Ross Clinical Social Worker · Waltham, MA NPI 1205814944 Judith Semonoff Clinical Social Worker · Waltham, MA NPI 1295751881 Jewish Family & Children'S Service Clinical Social Worker · Waltham, MA NPI 1184708091 Amy Sommer Clinical Social Worker · Waltham, MA NPI 1194872507 Karen Garber Clinical Social Worker · Waltham, MA NPI 1619029972 Lindsay Goldberg Clinical Social Worker · Waltham, MA NPI 1649416017 Elizabeth Mcenany Clinical Psychologist · Waltham, MA NPI 1942537360 Lynn Pollock Mental Health Counselor · Waltham, MA NPI 1093023699
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-06.