Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diana L Whalen, RDH
Dental Hygienist in Beloit, WI · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154764561
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Registry record
Entity type Individual (Type 1)
Name Diana L Whalen
Credential RDH
Sex Female
Practice address 74 Eclipse Ctr, Beloit, WI, 53511
Phone (608) 299-3316
Fax (608) 361-6131
Enumeration date Apr 16, 2013
Last updated in NPPES Apr 16, 2013
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 Diana Whalen practice?
The practice location on file with NPPES is in Beloit, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diana Whalen?
The National Provider Identifier (NPI) for Diana Whalen is 1154764561, 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 2013-04-16.