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Edit this profileJon M. Williamson, OD practices optometry in Sparta, WI. Jon is a 1985 graduate of Illinois College of Optometry at Chicago. Jon is also listed as specializing in optometrist. According to Medicare claims data, Jon cared for 425 Medicare patients across 3,003 services. The services billed most often include removal of cataract with insertion of prosthetic lens, established patient complete exam of visual system, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1932104114.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1111 W WISCONSIN ST
Sparta, WI 54656
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
3,003 services · 425 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
2,574 | More often than most peers in Optometry |
| Established patient complete exam of visual system | Treatment | 92014 |
277 | More often than most peers in Optometry |
| New patient complete exam of visual system | Treatment | 92004 |
40 | More often than most peers in Optometry |
| Imaging of optic nerve | Treatment | 92133 |
11 | Less often than most peers in Optometry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
86 | More often than most peers in Optometry |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
15 | Less often than most peers in Optometry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Williamson is an optometry in Sparta, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Williamson is listed at 1111 W Wisconsin St, Sparta, WI 54656. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (608) 269-6731. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Williamson's National Provider Identifier is 1932104114. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Williamson attended Illinois College of Optometry at Chicago, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Williamson has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Williamson performs procedures including removal of cataract with insertion of prosthetic lens; provides treatments such as established patient complete exam of visual system and new patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williamson. If this is you, claiming it is free.
Guide.md
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