Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Harwood Sturtevant

Hearing Instrument Specialist in Dallas, OR · enumerated 2009 · practices at Joyful Sound Hearing Services.

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

National Provider Identifier

1811128648

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mark Harwood Sturtevant

Sex Male

Practice address 312 Main St, Dallas, OR, 97338

Phone (503) 623-0290

Fax (503) 623-7229

Enumeration date Jul 28, 2009

Last updated in NPPES Jul 28, 2009

Taxonomy & licenses

237700000X Hearing Instrument Specialist Speech, Language and Hearing Service Providers · License HAS-P-117140 (OR) 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 Mark Sturtevant?

The National Provider Identifier (NPI) for Mark Sturtevant is 1811128648, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Sturtevant practice?

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

Other providers at this practice address

Browse all →

Joyful Sound Hearing Services Hearing Aid Equipment · Dallas, OR NPI 1982946158

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-07-28.