Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1932104114 Individual Practitioner Male Practitioner

Dr. Jon M Williamson , OD

Optometrist • Sparta, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jon Williamson, OD is a certified Optometrist practicing in Sparta, WI. With approximately 41 years of clinical experience since graduating from Illinois College Of Optometry At Chicago in 1985, Dr. Williamson delivers high-quality medical care to the local community at 1111 W WISCONSIN ST.

Dr. Williamson is affiliated with Gundersen Clinic Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include removal of cataract with insertion of lens, established patient complete exam of visual system, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1111 W Wisconsin St

Sparta, WI 546562233

Telephone 6082696731
Associated Practice Facility / Clinic
🏢 Gundersen Clinic, Ltd. Facility NPI 1578518346

Medicare Profile & Education

Medical School

Illinois College Of Optometry At Chicago

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Sparta, WI

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
41 Yrs +9.7 yrs vs City Avg
City Avg: 31.3 Yrs
State Avg: 21.0 Yrs
Regional Practice Density
3 Specialists

Practicing in Sparta, WI (1196 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
66.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williamson (41 Years) 41 Yrs
Sparta Specialty Average (31.3 Years) 31.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
66984 Removal of cataract with insertion of lens
2,574 21 $18.06 $1.01
92014 Established patient complete exam of visual system
277 276 $260.97 $119.11
99213 Established patient office or other outpatient visit, typically 15 minutes
86 63 $266.14 $85.25
92004 New patient complete exam of visual system
40 40 $344.27 $141.77
G2211 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's
15 14 $47.60 $15.40
92133 Imaging of optic nerve
11 11 $229.36 $31.95

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License WI 2115

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
38584300 (WI)

Hospital & Practice Group Affiliations

Gundersen Clinic Ltd

1111 W Wisconsin St, Sparta, WI 546562233

Phone: 6082696731

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

19 Associated Practitioners
Margaret Riedl , MA

Counselor - Professional

NPI 1023509528

Master of Arts

Dr. Rose Wolbrink , MD

Family Medicine

NPI 1093990368

Doctor of Medicine (M.D.)

Dr. Zachary April , DO

Family Medicine

NPI 1114423845

Doctor of Osteopathic Medicine (D.O.)

Matthew Besch

Physical Therapist

NPI 1144608084
NPI 1194946608

Doctor of Osteopathic Medicine (D.O.)

Dr. Michael Pace , MD

Family Medicine

NPI 1295730240

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
NPI Profile Active June 22, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location June 22, 2017

Registered at 1111 W WISCONSIN ST, SPARTA, WI 546562233 (Tel: 6082696731)

📍
Updated Business Mailing Address June 22, 2017

Registered at 1836 SOUTH AVE, LA CROSSE, WI 546015429 (Tel: (608) 782-7300)

👤
Provider Name / Credentials Updated June 22, 2017

Recorded as JON WILLIAMSON, OD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 22, 2017

Optometrist (License #2115 in WI)

NPI Profile Active February 01, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location February 01, 2016

Registered at 400 JEFFERSON AVE, SPARTA, WI 546562115 (Tel: 6082698176)

📍
Updated Business Mailing Address February 01, 2016

Registered at 1836 SOUTH AVE, LA CROSSE, WI 546015429 (Tel: 6087827300)

👤
Provider Name / Credentials Updated February 01, 2016

Recorded as JON WILLIAMSON, OD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 01, 2016

Optometrist (License #2115 in WI)

🟢
Initial NPI Registration & Enumeration June 15, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Jon Williamson. Be the first to share your experience!

Sign in to leave a review for Dr. Jon Williamson

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1932104114
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 15, 2005
Last Update: July 21, 2022
Sole Proprietor: No

Mailing Address

1836 South Ave

La Crosse, WI 546015429

Phone: 6087827300

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.