Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Darrin Scott Friesen, M.D.

Specialist in Saint Louis, MO · enumerated 2008.

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

National Provider Identifier

1699952465

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Registry record

Entity type Individual (Type 1)

Name Darrin Scott Friesen

Credential M.D.

Sex Male

Practice address 1750 S Brentwood Blvd, Suite 857, Saint Louis, MO, 63144

Phone (314) 968-2111

Fax (314) 968-2139

Enumeration date Jan 23, 2008

Last updated in NPPES Jan 23, 2008

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 106376 (MO) Primary

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

Where does Darrin Friesen practice?

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

What is the NPI number for Darrin Friesen?

The National Provider Identifier (NPI) for Darrin Friesen is 1699952465, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-23.