Fady A. Youssef, MD

Medicare activity in 2024

Official CMS public-use data for Fady A. Youssef, 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)462 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)347 services
3. Critical care, first 30-74 minutes (99291)235 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)74 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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%
• Diabetes65%
• Heart failure65%
• COPD62%
• Ischemic heart disease58%

Hospitals where Fady A. Youssef works

Medicare's Facility Affiliation Data lists Fady A. Youssef 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.

• St Mary Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050191
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Fady A. Youssef is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 the City Dr SOrange, CA 92868 (714) 456‑7004
• 1050 Linden AveLong Beach, CA 90813 (562) 491‑9270

Group practices

Medicare enrollment lists Fady A. Youssef as a member of these groups (CMS data updated October 2, 2026).

• UC Regents319 clinicians in the group
• Fady a Youssef MD Inc2 clinicians in the group

Specialties

• Pulmonary Diseaseprimary
• Critical Care (Intensivists)also
• Internal Medicinealso

Find other Pulmonary Disease doctors in California →

Other pulmonologists in Orange

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

• Lillian C. Chow, MD
• Tapan Pandya, MD
• Jose Contreras, MD
• Jack O. Stewart, MD
• Alexander J. Sweidan, MD
• Lusine Melik-Adamyan, MD
• Assad Oskuei, MD
• Sanjivan Kohli, MD

All pulmonologists in Orange →

Other clinicians in UC Regents

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

• Soo Yeon Kim, MD
• Kiran Sachdev, MD
• Pavan K. Mankal, MD
• Joshua Y. Kwon, MD
• John G. Lee, MD
• Nisa K. Darian, NP

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