JON M WILLIAMSON (OD) – Optometrist, NPI 1932104114
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
798 OPTOMETRY in WI
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Provider Addresses for JON M WILLIAMSON (OD)
1836, South Avenue, La Crosse, La Crosse County, Wisconsin, 54601, United States
LA CROSSE, WI 546015429
Phone: (608) 782-7300
Type: Mailing
1111, West Wisconsin Street, Sparta, Monroe County, Wisconsin, 54656, United States
SPARTA, WI 546562233
Phone: (608) 269-6731
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-04-20
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050420000202 | I | Optometry | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 297 | 297 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 122 | 68 | $0 |
| 92004 | New patient complete exam of visual system | 36 | 36 | $0 |
| 92083 | Exam of visual field with extended testing | 18 | 17 | $0 |
| 92133 | Imaging of optic nerve | 18 | 16 | $0 |
Insurance plans in this area (ZIP 54601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Geriatric Medicine, Family Practice, Hospice/Palliative Care | WI | |
| - | WI | |
| Physician Assistant | WI | |
| - | WI | |
| O P T O M E T R Y | MN | |
| O T O L A R Y N G O L O G Y | WI | |
| Nurse Practitioner | WI | |
| P O D I A T R Y | WI | |
| Oral Surgery | WI | |
| Family Practice | WI |
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