Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tatiana Nieves, LSW
Social Worker in Park Ridge, IL · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235063306
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Registry record
Entity type Individual (Type 1)
Name Tatiana Nieves
Credential LSW
Sex Female
Practice address 120 Main St Ste 200, Park Ridge, IL, 60068
Phone (847) 720-4773
Enumeration date Jun 11, 2026
Last updated in NPPES Jun 11, 2026
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 150.117510 (IL) 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
What is the NPI number for Tatiana Nieves?
The National Provider Identifier (NPI) for Tatiana Nieves is 1235063306, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tatiana Nieves practice?
The practice location on file with NPPES is in Park Ridge, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Sarah Boer Clinical Social Worker · Park Ridge, IL NPI 1700300027 Melanie Schwaba Clinical Social Worker · Park Ridge, IL NPI 1184272544 Hailey Palmer Social Worker · Park Ridge, IL NPI 1629605357 John Kapetan Mental Health Counselor · Park Ridge, IL NPI 1689394611 Cheryl Ramos Mental Health Counselor · Park Ridge, IL NPI 1215627864 Julia Matson Clinical Social Worker · Park Ridge, IL NPI 1376324244 Clark Finkelstein Mental Health Counselor · Park Ridge, IL NPI 1942038484
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-11.