Assad Oskuei, MD

Medicare activity in 2024

Official CMS public-use data for Assad Oskuei, 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)295 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)168 services
3. Injection of drug or substance under skin or into muscle (96372)75 services
4. Critical care, first 30-74 minutes (99291)72 services
5. Test for exercise-induced lung stress (94618)62 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%
• COPD62%
• Anxiety55%
• Arthritis50%
• Depression44%

Hospitals where Assad Oskuei works

Medicare's Facility Affiliation Data lists Assad Oskuei 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.

• Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Assad Oskuei is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 the City Dr SOrange, CA 92868 (714) 456‑7004
• 3851 Katella Ave, Suite 315Los Alamitos, CA 90720
• 3851 Katella Ave, Suite 320Los Alamitos, CA 90720 (562) 626‑8016

Group practices

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

• UC Regents319 clinicians in the group

Specialties

• Pulmonary Diseaseprimary
• Critical Care (Intensivists)also

Find other Pulmonary Disease doctors in California →

Other pulmonologists in Orange

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

• Eugene T. Van, DO
• Austin H. Yu, MD
• Rahul M. Kale, MD
• Lillian C. Chow, MD
• Hoang T. Le, MD
• Sanjivan Kohli, MD
• Elsa C. Camarillo, DO
• Jack O. Stewart, MD

All pulmonologists in Orange →

Other clinicians in UC Regents

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

• Ly-An T. Dao, NP
• Christopher L. Paiji, MD
• Neha Chaurasia, DO
• Rebecca S. Ahdoot, MD
• Anne Zuzelski, MD
• Austin H. Yu, MD

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