Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Steven Hayes, OD
Optometrist in Mckinney, TX · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730359522
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark Steven Hayes
Credential OD
Sex Male
Practice address 8080 State Highway 121 Ste 110, Mckinney, TX, 75070
Phone (469) 242-2020
Fax (972) 570-1103
Enumeration date Mar 7, 2008
Last updated in NPPES May 14, 2025
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 |
|---|---|---|---|
| 1770753519 | Other | TX | GROUP NPI |
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
What is the NPI number for Mark Hayes?
The National Provider Identifier (NPI) for Mark Hayes is 1730359522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Hayes practice?
The practice location on file with NPPES is in Mckinney, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-14.