Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Stephen Ragsdale, O.D.
Optometrist in Denton, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1114934957
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark Stephen Ragsdale
Credential O.D.
Sex Male
Practice address 526 N Locust St, Denton, TX, 76201
Phone (940) 387-9595
Fax (940) 387-0605
Enumeration date Aug 2, 2006
Last updated in NPPES Apr 21, 2009
Taxonomy & licenses
152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License 02872T (TX) Secondary
152WS0006X Sports Vision Optometrist Eye and Vision Services Providers · License 02872T (TX) Secondary
152WX0102X Occupational Vision Optometrist Eye and Vision Services Providers · License 02872T (TX) Secondary
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 |
|---|---|---|---|
| 0201816-02 | Medicaid | TX | - |
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 Mark Ragsdale practice?
The practice location on file with NPPES is in Denton, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Ragsdale?
The National Provider Identifier (NPI) for Mark Ragsdale is 1114934957, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-21.