JOHN M WILLIAMS OD
NPI 1790880714
Optometrist in Champaign, IL

Q: What is John Williams's NPI number?

The NPI number for John Williams is 1790880714. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Q: What is John Williams's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for John Williams was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 14, 2006PECOS EnrolledAccepts Medicare Assignment

3105 FIELDS SOUTH DR, CHAMPAIGN, IL 61822(217) 902-3937(217) 902-7751 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About John M Williams Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN M WILLIAMS OD (NPI 1790880714) is an individual optometrist in Champaign, Illinois, licensed in Illinois (046008016) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Carle Foundation Hospital, and is a graduate of Illinois College Of Optometry At Chicago (1987).

NPPES Registry Identity

NPI1790880714

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameJOHN M WILLIAMSCredential: OD

Location Address3105 FIELDS SOUTH DRChampaign, IL 61822-3743

Mailing Address611 W Park StUrbana, IL 61801-2501 · (217) 383-6792 · Fax (217) 383-4752

Phone(217) 902-3937

Fax(217) 902-7751

Sole ProprietorNo

Medical School CMSIllinois College Of Optometry At ChicagoGraduated 1987

Enumeration DateSeptember 14, 2006

Last NPPES UpdateApril 27, 2026

NPPES CertifiedApril 27, 2026

✔ NPI 1790880714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in IL · 046008016

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

3105 FIELDS SOUTH DR, Champaign, IL 61822

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Other Identifiers 1

Other410021596IL · Railroad

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John M Williams Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486781168

PECOS Enrollment IDI20100429000181

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

266 services243 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

148 services148 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

108 services92 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

105 services96 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

55 services52 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

54 services53 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carle Foundation Hospital

Acute Care Hospitals · Urbana, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140091

Location611 West Park StreetUrbana, IL 61801 · Champaign County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61822 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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