Jason Richard Diehl, O.D.
Optometrist · Columbia, IL
Jason Richard Diehl, O.D. is an optometrist with a practice address in Columbia, Illinois, and NPI 1003875147, issued on Mar 18, 2006. Check the license (Illinois 046-009550, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Richard Diehl
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046-009550 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Columbia Ctr, Columbia, IL 62236
- Phone
- (618) 281-8611
- Enumerated
- Mar 18, 2006
- Record last updated
- Oct 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (618) 281-3927
- Medicare enrollment
- Enrolled (PECOS I20041106000072); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 2000
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 1025 Columbia Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Hollmann, ODOptometrist1578533410
Verify Jason Richard Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046-009550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average optometrist in 2024
273 Medicare Part D claims for 75 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost126 claims
- Timolol Maleate31 claims
- Brimonidine Tartrate-Timolol23 claims
- Lumigan13 claims
- Dorzolamide-Timolol11 claims
- Loteprednol Etabonate11 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: $215.16
6 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Clarkson Optometry Illinois, PCColumbia, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Richard Diehl among 2,697 optometrist records in Illinois
Jason Richard Diehl, O.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2000 · median 2008 among the 1,513 with a school on file
- Record last updated2014 · 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).
3 optometrist records list a practice address in Columbia
They are 3 of the 160 NPPES records with a practice address in Columbia, and 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Columbia → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James Hollmann, ODColumbia, IL 622361578533410
- Gregory Sacho, ODColumbia, IL 622361588754758
- Julie Hendricks, O.D.Collinsville, IL 622341760486096
- Jeffrey Herberts, O.D.Collinsville, IL 622341528153509
- Gary Meier, ODCollinsville, IL 622341346258118
- Dana Rozell, O.D.Collinsville, IL 622341144604604
- Erin Searfoss, ODCollinsville, IL 622341053421040
- Stefan Smith, O.D.Collinsville, IL 622341932365699
Common questions
What is Jason Richard Diehl, O.D.'s NPI number?
Jason Richard Diehl, O.D.'s National Provider Identifier (NPI) is 1003875147, issued on Mar 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason Richard Diehl, O.D. located?
The NPPES record lists a practice address at 1025 Columbia Ctr, Columbia, IL, 62236. Phone: (618) 281-8611. Providers update this record themselves, so call before visiting.
How can I verify Jason Richard Diehl, O.D.'s license?
NPPES lists Illinois license number 046-009550, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Richard Diehl, O.D. prescribe under Medicare Part D?
In 2024, Jason Richard Diehl, O.D. had 273 Medicare Part D claims for 75 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.