Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Madeline Ortiz, LMSW
Social Worker in Bronx, NY · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528303393
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Registry record
Entity type Individual (Type 1)
Name Ms. Madeline Ortiz
Credential LMSW
Sex Female
Practice address 2445 Arthur Ave, Bronx, NY, 10458
Phone (917) 684-4090
Enumeration date Dec 5, 2012
Last updated in NPPES Dec 5, 2012
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 0874931 (NY) Primary
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
Where does Madeline Ortiz practice?
The practice location on file with NPPES is in Bronx, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Madeline Ortiz?
The National Provider Identifier (NPI) for Madeline Ortiz is 1528303393, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-12-05.