Dana Lydell Day, O.D.
Optometrist · Casper, WY
Dana Lydell Day, O.D. is an optometrist with a practice address in Casper, Wyoming, and NPI 1780689067, issued on Jun 14, 2005. Check the license (Wyoming 260T, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dana Lydell Day
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 260T WY
Self-reported in NPPES; status is on the state search - Practice location
- 301 S Fenway St, Casper, WY 82601
- Phone
- (307) 235-5384
- Enumerated
- Jun 14, 2005
- Record last updated
- Oct 2, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (307) 265-7500
- Medicaid ID
- 114199600 WY
- Medicare enrollment
- Enrolled (PECOS I20040120001077); accepts Medicare assignment
- Medical or professional school
- University Alabama Birmingham - School Of Optometry, 1998
- Entity
- Type 1 · individual
8 nearest optometrist records → All 147 in Wyoming → Look up another NPI →
Also registered at 301 S Fenway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dana Lydell Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 260TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average optometrist in 2024
339 Medicare Part D claims for 106 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost88 claims
- Neomycin-Polymyxin-Dexameth40 claims
- Prednisolone Acetate39 claims
- Brimonidine Tartrate31 claims
- Lumigan24 claims
- Loteprednol Etabonate22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Eye Institute OF WyomingCasper, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dana Lydell Day among 147 optometrist records in Wyoming
Dana Lydell Day, O.D. is one of 147 optometrist records with a practice address in Wyoming. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2006 among the 92 with a school on file
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 optometrist records list a practice address in Casper
They are 22 of the 1,924 NPPES records with a practice address in Casper, and 147 optometrist records in Wyoming.
All 147 in Wyoming → Every provider in Casper → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nicholas Brattis, O.D.Casper, WY 826011861527178
- David Carlson, O.D.Casper, WY 826011245274752
- Nathan Edwards, O.D.Casper, WY 826011730408956
- Paul Gustafson, O.D.Casper, WY 826011184666422
- Mike Harris, O.D.Casper, WY 826011104819333
- Jerrold Larsen, O.D.Casper, WY 826011952488595
- Ryan Larsen, O.D.Casper, WY 826011568534527
- Christopher Loe, O.D.Casper, WY 826011447635149
Common questions
What is Dana Lydell Day, O.D.'s NPI number?
Dana Lydell Day, O.D.'s National Provider Identifier (NPI) is 1780689067, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dana Lydell Day, O.D. located?
The NPPES record lists a practice address at 301 S Fenway St, Casper, WY, 82601. Phone: (307) 235-5384. Providers update this record themselves, so call before visiting.
How can I verify Dana Lydell Day, O.D.'s license?
NPPES lists Wyoming license number 260T, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.
How much does Dana Lydell Day, O.D. prescribe under Medicare Part D?
In 2024, Dana Lydell Day, O.D. had 339 Medicare Part D claims for 106 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.