Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Blake A Johnson, MD

Diagnostic Radiology Physician in St Louis Park, MN · enumerated 2006.

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

National Provider Identifier

1811964174

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Registry record

Entity type Individual (Type 1)

Name Blake A Johnson

Credential MD

Sex Male

Practice address 5775 Wayzata Blvd, Ste 190, St Louis Park, MN, 55416

Phone (952) 541-1840

Fax (952) 513-6880

Enumeration date Mar 7, 2006

Last updated in NPPES Feb 17, 2012

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 39490 (MN) 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
205022600	Medicaid	MN	-

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 Blake Johnson?

The National Provider Identifier (NPI) for Blake Johnson is 1811964174, a Type 1 (individual) record in the CMS NPPES registry.

Where does Blake Johnson practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-17.