Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Denis M Humphreys, OD
Optometrist in Sparks, NV · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659386225
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Registry record
Entity type Individual (Type 1)
Name Denis M Humphreys
Credential OD
Sex Male
Practice address 1965 Baring Blvd, Sparks, NV, 89434
Phone (775) 358-1020
Fax (775) 358-7951
Enumeration date Jul 30, 2006
Last updated in NPPES Jun 10, 2008
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 002516532 | Medicaid | NV | - |
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.
Frequently asked questions
Where does Denis Humphreys practice?
The practice location on file with NPPES is in Sparks, NV. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Denis Humphreys?
The National Provider Identifier (NPI) for Denis Humphreys is 1659386225, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Corinne Cooper Optometrist · Sparks, NV NPI 1871515809 Troy Humphreys Optometrist · Sparks, NV NPI 1992712194 Becky Humphreys Optometrist · Sparks, NV NPI 1629085824 Evan Marchant Optometrist · Sparks, NV NPI 1457368664 Humphreys Marchant Humphreys and Cooper Ods Ltd Optometrist · Sparks, NV NPI 1770797425 Umari Duffus Optometrist · Sparks, NV NPI 1508178153 Katrina Braganza Optometrist · Sparks, NV NPI 1225551393 Michelle Wong Optometry PC Optometrist · Sparks, NV NPI 1780261248
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-10.