Jonathan Michael Klunk, OD
Optometrist · Alton, IL
Jonathan Michael Klunk, OD is an optometrist with a practice address in Alton, Illinois, and NPI 1306546916, issued on Mar 3, 2023. Check the license (Illinois 046.011750, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Michael Klunk
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046.011750 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1819 Homer Adams Pkwy, Alton, IL 62002
- Phone
- (618) 208-0585
- Enumerated
- Mar 3, 2023
- Record last updated
- Dec 21, 2023
- Fax
- (618) 208-0586
- Medicare enrollment
- Enrolled (PECOS I20230829000623); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 2023
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Verify Jonathan Michael Klunk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046.011750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
66 Medicare Part D claims for 47 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Latanoprost18 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: $1,656.03
15 payments; by number, the most common kind was 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 2 group practices
- Clarkson Optometry Illinois, PCAlton, IL
- Clarkson Optometry IncFlorissant, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Michael Klunk among 2,697 optometrist records in Illinois
Jonathan Michael Klunk, OD is one of 2,697 optometrist records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 90% of them.
- NPI issued2023 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2023 · median 2008 among the 1,513 with a school on file
- Record last updated2023 · 68% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Illinois
There are 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Alton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Christina Levi, O.D.Alton, IL 620021417924648
- James Lieber, O.D.Alton, IL 620021184731515
- Jacqlyn Long, O.D.Alton, IL 620021992866057
- Melanie Patterson, ODAlton, IL 620021407542582
- Justin Scheiter, O.D.Alton, IL 620021699809368
- William Wright, O.D.Alton, IL 620021790894673
- Duyen Xin, ODAlton, IL 620021871871657
- Shawna Heddinghaus, ODBenld, IL 620091811982515
Common questions
What is Jonathan Michael Klunk, OD's NPI number?
Jonathan Michael Klunk, OD's National Provider Identifier (NPI) is 1306546916, issued on Mar 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Michael Klunk, OD located?
The NPPES record lists a practice address at 1819 Homer Adams Pkwy, Alton, IL, 62002. Phone: (618) 208-0585. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Michael Klunk, OD's license?
NPPES lists Illinois license number 046.011750, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan Michael Klunk, OD prescribe under Medicare Part D?
In 2024, Jonathan Michael Klunk, OD had 66 Medicare Part D claims for 47 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.