Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexis J Blackwelder, FNP

Family Nurse Practitioner in Sioux Falls, SD · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588291744

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Registry record

Entity type Individual (Type 1)

Name Alexis J Blackwelder

Credential FNP

Sex Female

Practice address 1210 W 18th St Ste 100, Sioux Falls, SD, 57104

Phone (605) 312-8500

Enumeration date Mar 26, 2020

Last updated in NPPES Dec 2, 2025

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License CP002922 (SD) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN.0996628-NP (CO) Primary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License C-APN.0002185 (CO) Secondary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP 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.

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Frequently asked questions

What is the NPI number for Alexis Blackwelder?

The National Provider Identifier (NPI) for Alexis Blackwelder is 1588291744, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexis Blackwelder practice?

The practice location on file with NPPES is in Sioux Falls, SD. 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 2025-12-02.