Grant K. Gwinner, O.D.
Optometrist · Ellsworth, KS
Grant K. Gwinner, O.D. is an optometrist with a practice address in Ellsworth, Kansas, and NPI 1083055651, issued on Jul 11, 2013. Check the license (Kansas 1950, as entered in NPPES) with the Kansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grant K. Gwinner
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1950 KS
Self-reported in NPPES; status is on the state search - Practice location
- 801 E 3RD St, Ellsworth, KS 67439
- Phone
- (785) 472-3272
- Enumerated
- Jul 11, 2013
- Record last updated
- Jul 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (785) 472-3360
- Medicare enrollment
- Enrolled (PECOS I20140908000864); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2012
- Entity
- Type 1 · individual
8 nearest optometrist records → All 715 in Kansas → Look up another NPI →
Also registered at 801 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Grant Gwinner, O.D.Optometrist1063496362
Verify Grant K. Gwinner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kansas board licenses this profession
Search for license 1950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average optometrist in 2024
161 Medicare Part D claims for 26 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost79 claims
- Travoprost29 claims
- Timolol Maleate21 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.
Grant K. Gwinner among 715 optometrist records in Kansas
Grant K. Gwinner, O.D. is one of 715 optometrist records with a practice address in Kansas. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 76% of them.
- NPI issued2013 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2006 among the 500 with a school on file
- Record last updated2013 · 74% 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 Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 optometrist records list a practice address in Ellsworth
They are 2 of the 40 NPPES records with a practice address in Ellsworth, and 715 optometrist records in Kansas.
All 715 in Kansas → Every provider in Ellsworth → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Grant Gwinner, O.D.Ellsworth, KS 674391063496362
- Tony Brown, O.D.Clay Center, KS 674321457701880
- Ryan Hiesterman, O.D.Clay Center, KS 674321750392742
- Karli Hubka, ODClay Center, KS 674321740662972
- Richard Reeves, O.D.Clay Center, KS 674321295701183
- Bren Myers, O.D.Beloit, KS 674201053408575
- Chad Thompson, O.D.Beloit, KS 674201609865120
- Mark Abrahams, O.D.McPherson, KS 674601497160832
Common questions
What is Grant K. Gwinner, O.D.'s NPI number?
Grant K. Gwinner, O.D.'s National Provider Identifier (NPI) is 1083055651, issued on Jul 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Grant K. Gwinner, O.D. located?
The NPPES record lists a practice address at 801 E 3RD St, Ellsworth, KS, 67439. Phone: (785) 472-3272. Providers update this record themselves, so call before visiting.
How can I verify Grant K. Gwinner, O.D.'s license?
NPPES lists Kansas license number 1950, as entered by the provider. Search the Kansas board that licenses this profession; the NPPES record confirms identity only.
How much does Grant K. Gwinner, O.D. prescribe under Medicare Part D?
In 2024, Grant K. Gwinner, O.D. had 161 Medicare Part D claims for 26 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.