Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas Lee Diesel, CPO, LPO

Orthotist in Sherman, TX · enumerated 2007 · practices at Diesel Prosthetics and Orthotics, Inc..

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

National Provider Identifier

1164645156

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Registry record

Entity type Individual (Type 1)

Name Douglas Lee Diesel

Credential CPO, LPO

Sex Male

Practice address 1411 W Houston St, Sherman, TX, 75092

Phone (903) 891-0230

Fax (903) 891-8743

Enumeration date Apr 10, 2007

Last updated in NPPES Feb 25, 2008

Taxonomy & licenses

222Z00000X Orthotist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 255 (TX) Primary

224P00000X Prosthetist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 255 (TX) Secondary

Other identifiers

Identifier	Type	State	Issuer
531778	Other	TX	BCBS

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.

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Frequently asked questions

What is the NPI number for Douglas Diesel?

The National Provider Identifier (NPI) for Douglas Diesel is 1164645156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Diesel practice?

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

Other providers at this practice address

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Diesel Prosthetics and Orthotics, Inc. Prosthetic/Orthotic Supplier · Sherman, TX NPI 1992974182

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-25.