Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Niel A Johnson, MD

Q: What is the NPI number for Niel Johnson?

The National Provider Identifier (NPI) for Niel Johnson is 1649233255, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Brookfield, WI · enumerated 2006.

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

National Provider Identifier

1649233255

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Registry record

Entity type Individual (Type 1)

Name Niel A Johnson

Credential MD

Sex Male

Practice address 16985 W Bluemound Rd, Brookfield, WI, 53005

Phone (262) 641-8400

Fax (910) 369-2874

Enumeration date Apr 7, 2006

Last updated in NPPES May 13, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 35197 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
100044449	Medicaid	WI	-

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

Where does Niel Johnson practice?

The practice location on file with NPPES is in Brookfield, WI. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Niel Johnson?

The National Provider Identifier (NPI) for Niel Johnson is 1649233255, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-13.