Ivy-Joan Madu

Medicare activity in 2024

Official CMS public-use data for Ivy-Joan Madu, 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.

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)300 services
2. Blood glucose (sugar) test performed by hand-held instrument (82962)231 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)159 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)96 services
5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)95 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%
• Diabetes72%
• Chronic kidney disease47%
• Arthritis44%
• Ischemic heart disease32%

Hospitals where Ivy-Joan Madu works

Medicare's Facility Affiliation Data lists Ivy-Joan Madu 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.

• Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050069
• Riverview Medical CenterRed Bank, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310034

Practice locations

Addresses where Ivy-Joan Madu is enrolled with Medicare (CMS data updated October 2, 2026).

• 1310 W Stewart Dr, Suite 610Orange, CA 92868 (714) 639‑1815

Specialties

• Internal Medicineprimary
• Endocrinologyalso

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

• Seogeun Hong, MD
• K.a. Manisha Perera, MD
• Yun San A. Huang, MD
• David L. Capaccio, DO
• Emilie L. Chow, MD
• Shubham Dixit, DO
• Khosrow Mahdavi, MD
• Yevgeny Klebanov, MD

All internal medicine doctors in Orange →

Clinician information

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