Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Kelsey Cook, RN
Registered Nurse in Sioux Falls, SD · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407399512
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Registry record
Entity type Individual (Type 1)
Name Mrs. Kelsey Cook
Credential RN
Sex Female
Practice address 3801 S Western Ave, Suite 101, Sioux Falls, SD, 57105
Phone (605) 334-4337
Enumeration date Nov 21, 2016
Last updated in NPPES Nov 21, 2016
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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 Kelsey Cook?
Kelsey Cook is registered in NPPES with the primary taxonomy of Registered Nurse. 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 2016-11-21.