Michelle El-Hajjaoui, DO

Medicare activity in 2024

Official CMS public-use data for Michelle El-Hajjaoui, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)588 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)440 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)164 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)129 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)101 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%
• Diabetes62%
• Chronic kidney disease56%
• Arthritis51%
• Heart failure46%

Hospitals where Michelle El-Hajjaoui works

Medicare's Facility Affiliation Data lists Michelle El-Hajjaoui 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.

• Emanate Health Foothill Presbyterian HospitalGlendora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050597
• Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050382

Practice locations

Addresses where Michelle El-Hajjaoui is enrolled with Medicare (CMS data updated October 2, 2026).

• 1115 S Sunset Ave, Suite 200West Covina, CA 91790 (626) 732‑8390

Group practices

Medicare enrollment lists Michelle El-Hajjaoui as a member of this group (CMS data updated October 2, 2026).

• Emanate Health Medical Care Foundation86 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in West Covina

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

• Brian J. Leberthon, MD
• Paul F. Hanona, MD
• Lydia D. Chow, MD
• Ersin Unal, MD

All hematologist-oncologists in West Covina →

Other clinicians in Emanate Health Medical Care Foundation

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

• Carol S. Wolcott, PA
• Yong Min Kim, DO
• Naveed A. Khan, MD
• Victor S. Mniarji, MD
• Vahid Javaherian, DO
• Matthew Clayson, DPM

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