Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Erika Kimberly Siesennop, RD, LDN
Registered Dietitian in Chicago, IL · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386065654
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Registry record
Entity type Individual (Type 1)
Name Erika Kimberly Siesennop
Credential RD, LDN
Sex Female
Practice address 561 W Diversey Pkwy, Suite 219, Chicago, IL, 60614
Phone (773) 241-1747
Enumeration date Jan 3, 2014
Last updated in NPPES Jan 3, 2014
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 164.004792 (IL) Primary
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 is the NPI number for Erika Siesennop?
The National Provider Identifier (NPI) for Erika Siesennop is 1386065654, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erika Siesennop practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-03.