Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kirsten Wassum
Registered Dietitian in Tempe, AZ · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124497011
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Registry record
Entity type Individual (Type 1)
Name Kirsten Wassum
Sex Female
Practice address 1492 S Mill Ave, Suite 312, Tempe, AZ, 85281
Phone (602) 243-7277
Fax (480) 927-1092
Enumeration date Sep 21, 2015
Last updated in NPPES Apr 4, 2017
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 86012086 (AZ) Primary
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Kirsten Wassum?
Kirsten Wassum is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-04-04.