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Active NPI 1235180233 Individual Practitioner Male Practitioner

Dr. Kenneth H Ristau , OD

Optometrist • Marshall, MN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Kenneth Ristau, OD is a certified Optometrist practicing in Marshall, MN. With approximately 29 years of clinical experience since graduating from Illinois College Of Optometry At Chicago in 1997, Dr. Ristau delivers high-quality medical care to the local community at 1200 SUSAN DR.

Dr. Ristau is affiliated with Shoptikal Llc 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

1200 Susan Dr

Marshall, MN 562582580

Telephone 5075379652
Fax 5075379646
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Illinois College Of Optometry At Chicago

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Marshall, MN

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
29 Yrs +12.1 yrs vs City Avg
City Avg: 16.9 Yrs
State Avg: 21.7 Yrs
Regional Practice Density
10 Specialists

Practicing in Marshall, MN (1178 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
4.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ristau (29 Years) 29 Yrs
Marshall Specialty Average (16.9 Years) 16.9 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
2,430 16 $1.70 $1.16
92014 Established patient complete exam of visual system
182 181 $91.35 $90.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
14 13 $63.14 $55.13
92004 New patient complete exam of visual system
12 12 $91.20 $90.23

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License MN 2643

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.

Hospital & Practice Group Affiliations

Shoptikal Llc

1004 18th Ave Nw, Austin, MN 559121993

Phone: 5074378228

Practice Associates & Co-Workers

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

1 Associated Practitioners
NPI 1992122428

Registered Pharmacist

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1200 SUSAN DR, MARSHALL, MN 562582580 (Tel: 5075379652)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1200 SUSAN DR, MARSHALL, MN 562582580 (Tel: 5075379652)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as KENNETH RISTAU, O.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Optometrist (License #2643 in MN)

🟢
Initial NPI Registration & Enumeration May 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1235180233
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 14, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1200 Susan Dr

Marshall, MN 562582580

Phone: 5075379652

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.