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

Internal Medicine

Ifueko B. Okundaye, MD

Works at hospitals in Appleton, WI · Rhinelander, WI · Wausau, WI … · Wisconsin

Summary

Dr. Ifueko B. Okundaye, MD is an internal medicine doctor at 130 2nd St, Neenah, WI 54956. Phone: (920) 729-2030. Accepts Medicare assignment. In 2024, Ifueko B. Okundaye had 163 Original Medicare patients and 458 services. NPI 1467460410. 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 Ifueko B. Okundaye, 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 Ifueko B. Okundaye accept Medicare assignment?
Yes. Medicare's clinician data says Ifueko B. Okundaye 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 Ifueko B. Okundaye see?
In 2024, CMS data shows 163 Original Medicare patients and 458 services for Ifueko B. Okundaye. This counts Original Medicare only and measures volume, not quality.
What is Ifueko B. Okundaye's NPI number?
1467460410. 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 Ifueko B. Okundaye, 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 patients163
Services billed to Medicare458
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)250 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)75 services
  3. Hospital discharge day management, more than 30 minutes (99239)71 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)22 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 blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease52%
  • Arthritis47%
  • Chronic kidney disease47%
  • Depression45%

Hospitals where Ifueko B. Okundaye works

Medicare's Facility Affiliation Data lists Ifueko B. Okundaye 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 Ifueko B. Okundaye is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 16; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ifueko B. Okundaye as a member of these groups (CMS data updated October 2, 2026).

  • Thedacare, Incorporated647 clinicians in the group
  • Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
  • Ascension Medical Group-Fox Valley Wisconsin, Inc259 clinicians in the group
  • Aspirus Wausau Hospital Inc237 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Neenah

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

All internal medicine doctors in Neenah →

Other clinicians in Thedacare, Incorporated

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

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467460410
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