John M. Williams, OD
Optometrist · Champaign, IL
John M. Williams, OD is an optometrist with a practice address in Champaign, Illinois, and NPI 1790880714, issued on Sep 14, 2006. Check the license (Illinois 046008016, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John M. Williams
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046008016 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3105 Fields South Dr, Champaign, IL 61822
- Phone
- (217) 902-3937
- Enumerated
- Sep 14, 2006
- Record last updated
- Apr 27, 2026
- Fax
- (217) 902-7751
- Medicare enrollment
- Enrolled (PECOS I20100429000181); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 3105 Fields South Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatima Ahmed, MDRetina Specialist (Ophthalmology) Physician1497046619
- Saad Al-Kadhi, M.D.Ophthalmology Physician1154852473
- Saba Alniemi, MDOphthalmology Physician1891057568
- Muhamad Amine, M.D.Otolaryngology Physician1487884854
- Mattie ArseneauxTrauma Surgery Physician1295260032
- Bethany Briggs, D.O.Surgery Physician1407202450
Verify John M. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046008016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.1 times the Medicare Part D claims of the average optometrist in 2024
1,687 Medicare Part D claims for 456 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost610 claims
- Timolol Maleate119 claims
- Dorzolamide-Timolol110 claims
- Erythromycin110 claims
- Cyclosporine104 claims
- Brimonidine Tartrate65 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: $313.11
12 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
- Carle Health Care IncorporatedChampaign, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Williams among 2,697 optometrist records in Illinois
John M. Williams, OD 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
- Graduated1987 · median 2008 among the 1,513 with a school on file
- Record last updated2026 · 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).
24 optometrist records list a practice address in Champaign
They are 24 of the 2,445 NPPES records with a practice address in Champaign, and 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Champaign → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michael Balgemann, O.D.Champaign, IL 618221861562530
- Jeff Chu, O.D.Champaign, IL 618221649601543
- Kristen Clark, ODChampaign, IL 618221306134317
- Nathan Crouch, O.D.Champaign, IL 618221750386215
- Saba Farid, ODChampaign, IL 618221588428320
- Greigham Hopkins, ODChampaign, IL 618221699268813
- Danielle Keith, O.D.Champaign, IL 618221699087361
- Jeffrey Lewis, ODChampaign, IL 618221801142351
Common questions
What is John M. Williams, OD's NPI number?
John M. Williams, OD's National Provider Identifier (NPI) is 1790880714, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Williams, OD located?
The NPPES record lists a practice address at 3105 Fields South Dr, Champaign, IL, 61822. Phone: (217) 902-3937. Providers update this record themselves, so call before visiting.
How can I verify John M. Williams, OD's license?
NPPES lists Illinois license number 046008016, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does John M. Williams, OD prescribe under Medicare Part D?
In 2024, John M. Williams, OD had 1,687 Medicare Part D claims for 456 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.