Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Joseph James Blake, O.D.
Optometrist in Dublin, OH · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104231778
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Registry record
Entity type Individual (Type 1)
Name Dr. Joseph James Blake
Credential O.D.
Sex Male
Practice address 7730 Sawmill Rd, Dublin, OH, 43016
Phone (614) 943-6508
Fax (614) 717-9183
Enumeration date Jun 23, 2014
Last updated in NPPES Mar 18, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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
How do I verify Joseph Blake's NPI record?
Cross-check NPI 1104231778 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1104231778 active?
Yes, as of the latest NPPES snapshot, NPI 1104231778 is active (record last updated 2026-03-18).
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-18.