Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brett Matthew Defauw, OD

Q: What is the NPI number for Brett Defauw?

The National Provider Identifier (NPI) for Brett Defauw is 1639909336, a Type 1 (individual) record in the CMS NPPES registry.

Optometrist in Burnsville, MN · enumerated 2024.

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

National Provider Identifier

1639909336

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Registry record

Entity type Individual (Type 1)

Name Brett Matthew Defauw

Credential OD

Sex Male

Practice address 14050 Burnhaven Dr, Burnsville, MN, 55337

Phone (952) 229-6462

Enumeration date Aug 6, 2024

Last updated in NPPES Aug 6, 2024

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 3955 (MN) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Brett Defauw?

The National Provider Identifier (NPI) for Brett Defauw is 1639909336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Brett Defauw practice?

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

Other providers at this practice address

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Costco Wholesale Corporation Community/Retail Pharmacy · Burnsville, MN NPI 1598075483 Affinity Eye Care LLC Optometrist · Burnsville, MN NPI 1336438191 Ebele Oramalu Pharmacist · Burnsville, MN NPI 1255614285 Jefferson Lin Optometrist · Burnsville, MN NPI 1982042925 Costco Wholesale Corporation Eyewear Supplier · Burnsville, MN NPI 1073904819 Costco Wholesale Corporation Hearing Aid Equipment · Burnsville, MN NPI 1568857431 Viginia Ho Optometrist · Burnsville, MN NPI 1225657067

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-06.