Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Irene Ruth Alton, RD
Nutritionist in W. St. Paul, MN · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245422302
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Registry record
Entity type Individual (Type 1)
Name Ms. Irene Ruth Alton
Credential RD
Sex Female
Practice address 153 Cesar Chavez St, W. St. Paul, MN, 55107
Phone (651) 222-1816
Fax (651) 222-1305
Enumeration date Aug 13, 2007
Last updated in NPPES Apr 19, 2013
Taxonomy & licenses
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD credential
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 specialty is Irene Alton?
Irene Alton is registered in NPPES with the primary taxonomy of Nutritionist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-19.