Jason Diehl, O.D.
Optometrist · Columbia, IL
Jason Diehl, O.D. is an optometrist with a practice address in Columbia, Illinois, and NPI 1003875147, issued on Mar 18, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Diehl
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- Practice location
- 1025 Columbia Ctr, Columbia, IL 62236
- Phone
- (618) 281-8611
- Enumerated
- Mar 18, 2006
- Entity
- Type 1 · individual
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 Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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% fewer Medicare Part D claims than the average optometrist in 2024
273 Medicare Part D claims for 75 beneficiaries, against an average of 279 among the 32,314 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, mostly food and beverage; the largest payer was Bausch & Lomb Americas Inc.. The 33,561 providers of this specialty with any payment received $749.79 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.
One hospital or facility affiliation
- Clarkson Optometry Illinois, PCColumbia, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 optometrist records list a Columbia practice address
They are 3 of the 160 NPPES records with a Columbia practice address, and 2,629 optometrist records in Illinois.
All 3 in Columbia → All 2,629 in Illinois → Every provider in Columbia →
Other optometrist records in Illinois
- Marvin Aal, O.D.Chicago, IL1184634180
- Russul Abbas, ODGurnee, IL1285129007
- Sarah Abbott, ODPark Ridge, IL1881333565
- Mahmud Abdallah, ODAlsip, IL1417501248
- Nada AbdallahDeerfield, IL1669206066
- Saul Abraham, O.D.Mt Prospect, IL1285772400
- Jodi Acharya, O.D.Arlington Heights, IL1982769469
- Treacy Adamo, O.D.Hinsdale, IL1043395254
- Carla Adams, O.D.St Charles, IL1720199409
- Renee Adams, ODLawrenceville, IL1437220712
Common questions
What is Jason Diehl, O.D.'s NPI number?
Jason 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 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 Diehl, O.D.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Diehl, O.D. prescribe under Medicare Part D?
In 2024, Jason Diehl, O.D. had 273 Medicare Part D claims for 75 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.