Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Polly Von Irwin, DOCTOR OF CHIROPRACT
Chiropractor in Rochester, IN · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912053927
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Registry record
Entity type Individual (Type 1)
Name Dr. Polly Von Irwin
Credential DOCTOR OF CHIROPRACT
Sex Female
Practice address 800 Main St, Rochester, IN, 46975
Phone (574) 223-5557
Enumeration date Jan 25, 2007
Last updated in NPPES Jan 23, 2014
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 Polly Irwin practice?
The practice location on file with NPPES is in Rochester, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Polly Irwin?
The National Provider Identifier (NPI) for Polly Irwin is 1912053927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-23.