Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Dana Lydell Day, O.D.
Optometrist in Casper, WY · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1780689067
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Registry record
Entity type Individual (Type 1)
Name Dr. Dana Lydell Day
Credential O.D.
Sex Male
Practice address 301 S Fenway St, Ste 102, Casper, WY, 82601
Phone (307) 235-5384
Fax (307) 265-7500
Enumeration date Jun 14, 2005
Last updated in NPPES Oct 2, 2007
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 |
|---|---|---|---|
| 114199600 | Medicaid | WY | - |
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
Is NPI 1780689067 active?
Yes, as of the latest NPPES snapshot, NPI 1780689067 is active (record last updated 2007-10-02).
How do I verify Dana Day's NPI record?
Cross-check NPI 1780689067 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-02.