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Ophthalmology

Shawn Sell, MD

Works at hospitals in Sparta, WI · La Crosse, WI · Wisconsin

Summary

Dr. Shawn Sell, MD is an ophthalmologist at 800 W Ave S, La Crosse, WI 54601. Phone: (608) 785-0940. Accepts Medicare assignment. In 2024, Shawn Sell had 461 Original Medicare patients and 1,286 services. NPI 1124517966. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Shawn Sell, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Shawn Sell accept Medicare assignment?
Yes. Medicare's clinician data says Shawn Sell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Shawn Sell see?
In 2024, CMS data shows 461 Original Medicare patients and 1,286 services for Shawn Sell. This counts Original Medicare only and measures volume, not quality.
What is Shawn Sell's NPI number?
1124517966. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Shawn Sell, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients461
Services billed to Medicare1,286
Different services or procedures41
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)436 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)160 services
  3. Imaging of retina (92134)121 services
  4. Removal of recurring cataract in lens capsule using a laser (66821)104 services
  5. Imaging of front third of eye (92132)75 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol69%
  • High blood pressure66%
  • Arthritis40%
  • Chronic kidney disease33%
  • Diabetes24%
  • Anxiety20%

Hospitals where Shawn Sell works

Medicare's Facility Affiliation Data lists Shawn Sell at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Shawn Sell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shawn Sell as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group

Specialties

Find other Ophthalmology doctors in Wisconsin →

Other ophthalmologists in La Crosse

Clinicians with the same Medicare primary specialty in La Crosse, WI — not a recommendation.

All ophthalmologists in La Crosse →

Other clinicians in Mayo Clinic Health System-Southwest Wisconsin Region Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolDrexel University College Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124517966
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians