Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ady Sierra
School Psychologist in Chicago, IL · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518663459
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Registry record
Entity type Individual (Type 1)
Name Ady Sierra
Sex Female
Practice address 42 W Madison St, Chicago, IL, 60602
Phone (773) 553-1800
Enumeration date Feb 2, 2023
Last updated in NPPES Feb 2, 2023
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 Ady Sierra 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 Ady Sierra?
The National Provider Identifier (NPI) for Ady Sierra is 1518663459, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Tara Bailey Speech-Language Pathologist · Chicago, IL NPI 1134399777 Jordan Owens Speech-Language Pathologist · Chicago, IL NPI 1659693109 Alanna Frey Speech-Language Pathologist · Chicago, IL NPI 1952699969 Tiffany Hunt Speech-Language Pathologist · Chicago, IL NPI 1437567716 Mariela Aguilera School Psychologist · Chicago, IL NPI 1386019487 Esmeralda Sanchez Speech-Language Pathologist · Chicago, IL NPI 1144688292 Chelsey Hall School Psychologist · Chicago, IL NPI 1558887976 Brian Apollo School Psychologist · Chicago, IL NPI 1558874255
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-02.