Jon David Hammer, M.D.
Ophthalmology Physician · Lexington, KY
Jon David Hammer, M.D. is an ophthalmology physician with a practice address in Lexington, Kentucky, and NPI 1013449388, issued on Mar 28, 2017. Check the license (Kentucky 56353, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jon David Hammer
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 56353 KY
69035 MN
Self-reported in NPPES; status is on the state search - Practice location
- 120 N Eagle Creek Dr Ste 211, Lexington, KY 40509
- Phone
- (859) 263-3030
- Enumerated
- Mar 28, 2017
- Record last updated
- Sep 7, 2022
- Fax
- (859) 263-2491
- Medicare enrollment
- Enrolled (PECOS I20220610001773); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 239 in Kentucky → Look up another NPI →
Also registered at 120 N Eagle Creek Dr Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Garrett, MDOphthalmology Physician1316987340
- Elizabeth Westin, ODOphthalmology Physician1437199528
Verify Jon David Hammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 56353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average ophthalmology physician in 2024
3,250 Medicare Part D claims for 661 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost1,058 claims
- Dorzolamide-Timolol492 claims
- Timolol Maleate270 claims
- Brimonidine Tartrate255 claims
- Prednisolone Acetate215 claims
- Polymyxin B Sul-Trimethoprim109 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: $334.71
13 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Eye Consultants OF Kentucky PscLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon David Hammer among 239 ophthalmology physician records in Kentucky
Jon David Hammer, M.D. is one of 239 ophthalmology physician records with a practice address in Kentucky. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.
- NPI issued2017 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2001 among the 157 with a school on file
- Record last updated2022 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Kentucky
There are 239 ophthalmology physician records in Kentucky.
All 239 in Kentucky → Every provider in Lexington → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Collins, M.D.Lexington, KY 405091215961669
- Andrew Fink, MDLexington, KY 405091841879442
- David Garrett, MDLexington, KY 405091316987340
- James Huffman, M.D.Lexington, KY 405091609282375
- David Kielar, M.D.Lexington, KY 405091003832866
- Bruce Koffler, MDLexington, KY 405091255441341
- Michael Newcomb, M.D.Lexington, KY 405091093968026
- Douglas Owen, M.D.Lexington, KY 405091053313288
Common questions
What is Jon David Hammer, M.D.'s NPI number?
Jon David Hammer, M.D.'s National Provider Identifier (NPI) is 1013449388, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jon David Hammer, M.D. located?
The NPPES record lists a practice address at 120 N Eagle Creek Dr Ste 211, Lexington, KY, 40509. Phone: (859) 263-3030. Providers update this record themselves, so call before visiting.
How can I verify Jon David Hammer, M.D.'s license?
NPPES lists Kentucky license number 56353, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jon David Hammer, M.D. prescribe under Medicare Part D?
In 2024, Jon David Hammer, M.D. had 3,250 Medicare Part D claims for 661 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.