William Vernon Ritzel, O.D.
Optometrist · Belleville, IL
William Vernon Ritzel, O.D. is an optometrist with a practice address in Belleville, Illinois, and NPI 1699763458, issued on Oct 6, 2005. Check the license (Illinois 46-9636, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Vernon Ritzel
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 46-9636 IL
Self-reported in NPPES; status is on the state search - Practice location
- 22 N Jackson St, Belleville, IL 62220
- Phone
- (618) 233-1270
- Enumerated
- Oct 6, 2005
- Record last updated
- Nov 10, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (618) 233-5939
- Medicare enrollment
- Enrolled (PECOS I20040916000198); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 22 N Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Bullard, ODOptometrist1962927764
- Kirsten Reynolds, O.D.Optometrist1982601001
Verify William Vernon Ritzel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 46-9636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average optometrist in 2024
359 Medicare Part D claims for 89 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost174 claims
- Dorzolamide-Timolol35 claims
- Timolol Maleate19 claims
- Brimonidine Tartrate-Timolol15 claims
- Azopt14 claims
- Amoxicillin-Clavulanate Potass12 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: $225.13
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
- Innovative Eye Care Solutions LtdBelleville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Vernon Ritzel among 2,697 optometrist records in Illinois
William Vernon Ritzel, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% 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 updated2010 · 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 Belleville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jacqueline Bullard, ODBelleville, IL 622201962927764
- Kirsten Reynolds, O.D.Belleville, IL 622201982601001
- Amanda BoscoeBelleville, IL 622211750076022
- David Hartig, O.D.Belleville, IL 622211851309926
- Brett Sobieralski, O.D.Belleville, IL 622211649405218
- Melissa Helfrich, O.D.Belleville, IL 622231760540793
- Nikki Beadle, O.DScott Afb, IL 622251306198155
- Sarah Gore, O.D.Scott Air Force Base, IL 622251871922369
Common questions
What is William Vernon Ritzel, O.D.'s NPI number?
William Vernon Ritzel, O.D.'s National Provider Identifier (NPI) is 1699763458, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Vernon Ritzel, O.D. located?
The NPPES record lists a practice address at 22 N Jackson St, Belleville, IL, 62220. Phone: (618) 233-1270. Providers update this record themselves, so call before visiting.
How can I verify William Vernon Ritzel, O.D.'s license?
NPPES lists Illinois license number 46-9636, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does William Vernon Ritzel, O.D. prescribe under Medicare Part D?
In 2024, William Vernon Ritzel, O.D. had 359 Medicare Part D claims for 89 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.