Tarek R. Nassif, MD

Medicare activity in 2024

Official CMS public-use data for Tarek R. Nassif, 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 nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)291 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)236 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)203 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)111 services
5. Insertion of needle into vein (3 years or older) (36410)104 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%
• Arthritis62%
• Diabetes50%
• Ischemic heart disease37%
• Chronic kidney disease37%

Hospitals where Tarek R. Nassif works

Medicare's Facility Affiliation Data lists Tarek R. Nassif 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.

• Alhambra Hospital Medical CenterAlhambra, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050281
• San Gabriel Valley Medical CenterSan Gabriel, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050132

Practice locations

Addresses where Tarek R. Nassif is enrolled with Medicare (CMS data updated October 2, 2026).

• 416 W Las Tunas Dr, Suite 307San Gabriel, CA 91776
• 416 W Las Tunas Rd, Suite 307San Gabriel, CA 91776 (626) 289‑0130
• 625 the City Dr S, Suite 320Orange, CA 92868 (714) 202‑2330

Group practices

Medicare enrollment lists Tarek R. Nassif as a member of this group (CMS data updated October 2, 2026).

• Southern California Hospitalist Network Medical Group Inc77 clinicians in the group

Specialties

• Emergency Medicineprimary
• Family Practicealso

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Gabriel

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

• Tiffany Fan, MD
• Li W. Cui, MD
• Philip W. Lin, MD

All emergency medicine doctors in San Gabriel →

Other clinicians in Southern California Hospitalist Network Medical Group Inc

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

• Mallu C. Reddy, MD
• Aamir Z. Jamal, MD
• Lisa P. Uribe, MD
• Hassan A. Chahine, MD
• Chase M. Atckison, DO
• Shahid Syed, 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