Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Thomas Knorpp

Peer Specialist in Redwood City, CA · enumerated 2024.

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

National Provider Identifier

1255162012

Verified

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Registry record

Entity type Individual (Type 1)

Name Matthew Thomas Knorpp

Sex Male

Practice address 631 Woodside Rd, Redwood City, CA, 94061

Phone (650) 367-9030

Enumeration date Aug 12, 2024

Last updated in NPPES Aug 12, 2024

Taxonomy & licenses

175T00000X Peer Specialist Other Service Providers · License MPSS-TKXIQF (CA) 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

What is the NPI number for Matthew Knorpp?

The National Provider Identifier (NPI) for Matthew Knorpp is 1255162012, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Knorpp practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-12.