Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret Elizabeth Slagle, RN
Registered Nurse in Duluth, MN · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538725189
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Registry record
Entity type Individual (Type 1)
Name Margaret Elizabeth Slagle
Credential RN
Sex Female
Practice address 167 Farley Ln, Duluth, MN, 55803
Phone (218) 724-0343
Enumeration date May 18, 2019
Last updated in NPPES May 18, 2019
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00000000 | Other | MN | BLUE CROSS |
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
Where does Margaret Slagle practice?
The practice location on file with NPPES is in Duluth, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Margaret Slagle?
The National Provider Identifier (NPI) for Margaret Slagle is 1538725189, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-18.