John C. Leadingham, OD
Optometrist · Ashland, KY
John C. Leadingham, OD is an optometrist with a practice address in Ashland, Kentucky, and NPI 1891762514, issued on Mar 1, 2006. Check the license (Kentucky 1659-DT, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John C. Leadingham
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1659-DT KY
Self-reported in NPPES; status is on the state search - Practice location
- 1330 Carter Ave, Ashland, KY 41101
- Phone
- (606) 325-9659
- Enumerated
- Mar 1, 2006
- Record last updated
- Oct 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (606) 329-1258
- Medicare enrollment
- Enrolled (PECOS I20060216000042); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2005
- Entity
- Type 1 · individual
Also registered at 1330 Carter Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Leadingham, ODVision Therapy Optometrist1073505814
Verify John C. Leadingham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 1659-DTCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average optometrist in 2024
196 Medicare Part D claims for 72 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Restasis29 claims
- Latanoprost26 claims
- Xiidra24 claims
- Cyclosporine15 claims
- Timolol Maleate13 claims
- Travoprost11 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.
Industry payments in 2024: $26.13
1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Leadingham Eye Care Center - AshlandAshland, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Kentucky
There are 803 optometrist records in Kentucky.
Other optometrist records in Kentucky
- Thomas Abell, ODCampbellsville, KY1942833397
- Larry Abney, ODLeitchfield, KY1487646527
- John Adams, O.D.Owensboro, KY1730191602
- John Adams, O.D.Winchester, KY1497900070
- Kevin Adams, ODMurray, KY1184782609
- Mattie Adams, ODElizabethtown, KY1861064958
- Rebecca Adams, O.D.Louisville, KY1568080315
- Stefanie Adams, ODGeorgetown, KY1750669198
- Addy Adkisson, ODLouisville, KY1255181582
- Bilal Ahmad, O.D.Lexington, KY1003224809
Common questions
What is John C. Leadingham, OD's NPI number?
John C. Leadingham, OD's National Provider Identifier (NPI) is 1891762514, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Leadingham, OD located?
The NPPES record lists a practice address at 1330 Carter Ave, Ashland, KY, 41101. Phone: (606) 325-9659. Providers update this record themselves, so call before visiting.
How can I verify John C. Leadingham, OD's license?
NPPES lists Kentucky license number 1659-DT, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does John C. Leadingham, OD prescribe under Medicare Part D?
In 2024, John C. Leadingham, OD had 196 Medicare Part D claims for 72 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.