Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sarah Tomaso
Registered Nurse in Oak Brook, IL · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1083518039
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Registry record
Entity type Individual (Type 1)
Name Sarah Tomaso
Sex Female
Practice address 700 Commerce Dr Ste 500, Oak Brook, IL, 60523
Phone (757) 704-1000
Enumeration date Oct 5, 2026
Last updated in NPPES Oct 5, 2026
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 Sarah Tomaso practice?
The practice location on file with NPPES is in Oak Brook, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sarah Tomaso?
The National Provider Identifier (NPI) for Sarah Tomaso is 1083518039, 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 2026-10-05.