NPPES file of Aug 9, 2026

William C. Baseleon, OD

Optometrist · North Riverside, IL

William C. Baseleon, OD is an optometrist with a practice address in North Riverside, Illinois, and NPI 1861155871, issued on Oct 17, 2021. Check the license (Illinois 046.011579, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861155871
Name
William C. Baseleon
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
046.011579 IL
Self-reported in NPPES; status is on the state search
Practice location
7222 W Cermak RD, North Riverside, IL 60546
Phone
(708) 447-1497
Enumerated
Oct 17, 2021
Record last updated
Oct 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7222 W Cermak RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maeve BairdBehavior Technician1174106322
  2. Alexandra CastroBehavior Technician1154002624
  3. David GarciaBehavior Technician1609616614
  4. Emily LawrenceOccupational Therapist1417325325
  5. Ledys Martell MaldonadoBehavior Technician1619650223
  6. Trisha Patel, O.D.Optometrist1407293533

Verify William C. Baseleon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 046.011579    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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Industry payments in 2024: $259.23

6 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.

  1. William Baseleon$259.23
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 optometrist records list a practice address in North Riverside

They are 3 of the 143 NPPES records with a practice address in North Riverside, and 2,697 optometrist records in Illinois.

All 3 in North Riverside → All 2,697 in Illinois → Every provider in North Riverside →

Other optometrist records in Illinois

  1. Marvin Aal, O.D.Chicago, IL1184634180
  2. Russul Abbas, ODGurnee, IL1285129007
  3. Sarah Abbott, ODPark Ridge, IL1881333565
  4. Mahmud Abdallah, ODAlsip, IL1417501248
  5. Nada AbdallahDeerfield, IL1669206066
  6. Saul Abraham, O.D.Mt Prospect, IL1285772400
  7. Aarlan Aceto, ODDowners Grove, IL1013064385
  8. Jodi Acharya, O.D.Arlington Heights, IL1982769469
  9. Treacy Adamo, O.D.Hinsdale, IL1043395254
  10. Carla Adams, O.D.St Charles, IL1720199409

Common questions

What is William C. Baseleon, OD's NPI number?

William C. Baseleon, OD's National Provider Identifier (NPI) is 1861155871, issued on Oct 17, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William C. Baseleon, OD located?

The NPPES record lists a practice address at 7222 W Cermak RD, North Riverside, IL, 60546. Phone: (708) 447-1497. Providers update this record themselves, so call before visiting.

How can I verify William C. Baseleon, OD's license?

NPPES lists Illinois license number 046.011579, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.