Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sarah Rzewnicki, LMSW
Social Worker in Grimes, IA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1144162108
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Registry record
Entity type Individual (Type 1)
Name Sarah Rzewnicki
Credential LMSW
Sex Female
Practice address 1220 Ne Station Xing Ste 204, Grimes, IA, 50111
Phone (515) 380-6516
Enumeration date Apr 8, 2026
Last updated in NPPES Apr 8, 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
What is the NPI number for Sarah Rzewnicki?
The National Provider Identifier (NPI) for Sarah Rzewnicki is 1144162108, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sarah Rzewnicki practice?
The practice location on file with NPPES is in Grimes, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-08.