Catherine C. Sajn, OD
Optometrist · New Lenox, IL
Catherine C. Sajn, OD is an optometrist with a practice address in New Lenox, Illinois, and NPI 1679706311, issued on Aug 28, 2009. Check the license (Illinois 046010244, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine C. Sajn
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046010244 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1870 Silver Cross Blvd Ste 110, New Lenox, IL 60451
- Phone
- (815) 485-2727
- Enumerated
- Aug 28, 2009
- Record last updated
- Jul 31, 2023
- Fax
- (815) 485-3034
- Medicare enrollment
- Enrolled (PECOS I20091120000451); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2009
- Entity
- Type 1 · individual
Also registered at 1870 Silver Cross Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Bollinger, O.D.Optometrist1578640215
- Neha Gulati, ODOptometrist1023245412
- Donald Loconte, ODOptometrist1003924945
- Dylan Stevens, MDOphthalmology Physician1316442114
Verify Catherine C. Sajn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046010244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average optometrist in 2024
378 Medicare Part D claims for 115 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Latanoprost108 claims
- Cyclosporine32 claims
- Restasis32 claims
- Timolol Maleate29 claims
- Loteprednol Etabonate20 claims
- Miebo17 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: $189.90
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Advanced Eye Care SCNew Lenox, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Illinois
There are 2,697 optometrist records in Illinois.
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
- Aarlan Aceto, ODDowners Grove, IL1013064385
- Jodi Acharya, O.D.Arlington Heights, IL1982769469
- Treacy Adamo, O.D.Hinsdale, IL1043395254
- Carla Adams, O.D.St Charles, IL1720199409
Common questions
What is Catherine C. Sajn, OD's NPI number?
Catherine C. Sajn, OD's National Provider Identifier (NPI) is 1679706311, issued on Aug 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Catherine C. Sajn, OD located?
The NPPES record lists a practice address at 1870 Silver Cross Blvd Ste 110, New Lenox, IL, 60451. Phone: (815) 485-2727. Providers update this record themselves, so call before visiting.
How can I verify Catherine C. Sajn, OD's license?
NPPES lists Illinois license number 046010244, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine C. Sajn, OD prescribe under Medicare Part D?
In 2024, Catherine C. Sajn, OD had 378 Medicare Part D claims for 115 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.