Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Sunday Olatunji, MD

Works at hospitals in Eau Claire, WI · Bloomer, WI · Barron, WI … · Wisconsin

Summary

Dr. Sunday Olatunji, MD is an ophthalmologist at 1400 Bellinger St, Eau Claire, WI 54703. Phone: (715) 838-5222. Accepts Medicare assignment. In 2024, Sunday Olatunji had 598 Original Medicare patients and 3,711 services. NPI 1316131956. 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 Sunday Olatunji, 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 Sunday Olatunji accept Medicare assignment?
Yes. Medicare's clinician data says Sunday Olatunji 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 Sunday Olatunji see?
In 2024, CMS data shows 598 Original Medicare patients and 3,711 services for Sunday Olatunji. This counts Original Medicare only and measures volume, not quality.
What is Sunday Olatunji's NPI number?
1316131956. 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 Sunday Olatunji, 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 patients598
Services billed to Medicare3,711
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Imaging of retina (92134)1,498 services
  2. Established patient complete exam of visual system (92014)1,297 services
  3. Injection of drug into eye (67028)617 services
  4. Exam of retinal blood vessels using a special camera after injection of a dye (92235)125 services
  5. Established patient problem focused exam of visual system (92012)72 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 cholesterol73%
  • High blood pressure71%
  • Arthritis36%
  • Chronic kidney disease35%
  • Diabetes33%
  • Ischemic heart disease24%

Hospitals where Sunday Olatunji works

Medicare's Facility Affiliation Data lists Sunday Olatunji 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 Sunday Olatunji is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mayo Clinic Health System-Northwest Wisconsin Region Inc802 clinicians in the group

Specialties

Find other Ophthalmology doctors in Wisconsin →

Other ophthalmologists in Eau Claire

Clinicians with the same Medicare primary specialty in Eau Claire, WI — not a recommendation.

All ophthalmologists in Eau Claire →

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

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316131956
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