Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria De Lourdes Diaz
Contractor in Chicago, IL · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881073849
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Registry record
Entity type Individual (Type 1)
Name Maria De Lourdes Diaz
Sex Female
Practice address 2052 N Cleveland Ave, Chicago, IL, 60614
Phone (773) 281-2225
Enumeration date May 23, 2015
Last updated in NPPES May 23, 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
Where does Maria Diaz practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Maria Diaz?
The National Provider Identifier (NPI) for Maria Diaz is 1881073849, 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 2015-05-23.