Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Amber Erin Johnson, WHNP

Nurse Practitioner in Willmar, MN · enumerated 2019.

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

National Provider Identifier

1003459629

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Registry record

Entity type Individual (Type 1)

Name Ms. Amber Erin Johnson

Credential WHNP

Sex Female

Practice address 101 Willmar Ave Sw, Willmar, MN, 56201

Phone (320) 231-5000

Enumeration date Oct 27, 2019

Last updated in NPPES May 25, 2023

Taxonomy & licenses

163WM0102X Maternal Newborn Registered Nurse Nursing Service Providers · License 201394-3 (MN) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 10110 (WI) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 7967 (MN) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

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.

What specialty is Amber Johnson?

Amber Johnson is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-25.