Clayton Kirk, MD
Ophthalmology Physician · Maywood, IL
Clayton Kirk, MD is an ophthalmology physician with a practice address in Maywood, Illinois, and NPI 1174011761, issued on Apr 29, 2018. Check the license (Illinois 125.073543, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Clayton Kirk
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 125.073543 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (708) 216-6262
- Enumerated
- Apr 29, 2018
- Record last updated
- Jun 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (708) 216-3557
- Medicare enrollment
- Enrolled (PECOS I20240827001255); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 2160 S 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Clayton Kirk 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 125.073543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average ophthalmology physician in 2024
194 Medicare Part D claims for 87 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Prednisolone Acetate74 claims
- Moxifloxacin44 claims
- Ofloxacin15 claims
- Dorzolamide-Timolol13 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: $660.44
12 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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 Surgeons Associates PCRock Island, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clayton Kirk among 898 ophthalmology physician records in Illinois
Clayton Kirk, 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 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 1999 among the 551 with a school on file
- Record last updated2019 · 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).
31 ophthalmology physician records list a practice address in Maywood
They are 31 of the 2,572 NPPES records with a practice address in Maywood, and 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Maywood → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Meenakshi Chaku, M.D.Maywood, IL 601531578774303
- Dana DarwishMaywood, IL 601531841750015
- Felipe De Alba, MDMaywood, IL 601531558335687
- Larissa Ghadiali, M.D.Maywood, IL 601531295029270
- Shannon Hunt, M.D.Maywood, IL 601531821400714
- Walter Jay, MDMaywood, IL 601531609840735
- Anuradha Khanna, MDMaywood, IL 601531881668770
- Junping Li, M.D.Maywood, IL 601531972566156
Common questions
What is Clayton Kirk, MD's NPI number?
Clayton Kirk, MD's National Provider Identifier (NPI) is 1174011761, issued on Apr 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Clayton Kirk, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (708) 216-6262. Providers update this record themselves, so call before visiting.
How can I verify Clayton Kirk, MD's license?
NPPES lists Illinois license number 125.073543, 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 Clayton Kirk, MD prescribe under Medicare Part D?
In 2024, Clayton Kirk, MD had 194 Medicare Part D claims for 87 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.