John D. Kay, MD
Ophthalmology Physician · Effingham, IL
John D. Kay, MD is an ophthalmology physician with a practice address in Effingham, Illinois, and NPI 1093768061, issued on May 18, 2006. Check the license (Illinois 036073021, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John D. Kay
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036073021 IL
Self-reported in NPPES; status is on the state search - Practice location
- 903 Medical Park Dr, Effingham, IL 62401
- Phone
- (217) 347-2933
- Enumerated
- May 18, 2006
- Record last updated
- Mar 10, 2026
- Fax
- (217) 347-2932
- Medicaid ID
- 036073021 IL
- Medicare enrollment
- Enrolled (PECOS I20100604001058); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 903 Medical Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christy Hohenbary, ODOptometrist1447203591
- Joseph Spraul, MDOphthalmology Physician1134172141
Verify John D. Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036073021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average ophthalmology physician in 2024
2,367 Medicare Part D claims for 659 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Latanoprost724 claims
- Timolol Maleate427 claims
- Prednisolone Acetate301 claims
- Ciprofloxacin Hcl199 claims
- Dorzolamide-Timolol125 claims
- Brimonidine Tartrate101 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $128.38
6 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. 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.
2 hospitals and group practices
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospitals3 of 5 stars
- Effingham Ophthalmology Associates, Ltd.Effingham, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John D. Kay among 898 ophthalmology physician records in Illinois
John D. Kay, MD is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1982 · median 1999 among the 551 with a school on file
- Record last updated2026 · 60% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Effingham → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Fatima Ahmad, M.D.Effingham, IL 624011952560963
- Yee-Sheng Chiu, M.D.Effingham, IL 624011083695407
- Joseph Spraul, MDEffingham, IL 624011134172141
- Jean Disseler, M.D.Quincy, IL 623011245202779
- Abram Geisendorfer, M.D.Quincy, IL 623011326230087
- James Hayashi, MDQuincy, IL 623011831133222
- David Phillips, M.D.Quincy, IL 623011649538638
- Eric Sieck, MDQuincy, IL 623011124091327
Common questions
What is John D. Kay, MD's NPI number?
John D. Kay, MD's National Provider Identifier (NPI) is 1093768061, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Kay, MD located?
The NPPES record lists a practice address at 903 Medical Park Dr, Effingham, IL, 62401. Phone: (217) 347-2933. Providers update this record themselves, so call before visiting.
How can I verify John D. Kay, MD's license?
NPPES lists Illinois license number 036073021, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John D. Kay, MD prescribe under Medicare Part D?
In 2024, John D. Kay, MD had 2,367 Medicare Part D claims for 659 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John D. Kay, MD's MIPS final score?
The 2023 MIPS final score is 88.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.