Ziyad B. Jabaji, MD

Medicare activity in 2024

Official CMS public-use data for Ziyad B. Jabaji, 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 high level of medical decision making, if using time, 40 minutes or more (99215)37 services
2. Diagnostic exam of anus using an endoscope (46600)25 services
3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)14 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)11 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 cholesterol68%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
• Diabetes44%
• Arthritis41%
• Chronic kidney disease38%

Hospitals where Ziyad B. Jabaji works

Medicare's Facility Affiliation Data lists Ziyad B. Jabaji 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.

• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
• Loma Linda University Medical CenterLoma Linda, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050327

Practice locations

Addresses where Ziyad B. Jabaji is enrolled with Medicare (CMS data updated October 2, 2026).

• 1430 Q St Unit, Suite 505Sacramento, CA 95811
• 1800 Harrison St 7th FlOakland, CA 94612
• 393 E Walnut St 3rd FlPasadena, CA 91188
• 77 Rolling Oaks Dr, Suite 203Thousand Oaks, CA 91361
• File Number, Suite 54701Los Angeles, CA 90074

Specialties

• Surgical Oncologyprimary
• Colorectal Surgery (Proctology)also
• General Surgeryalso

Find other Surgical Oncology doctors in California →

Other surgical oncologists in Sacramento

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

• Lakhbir Sandhu, MD
• Smit Singla, MD
• Sean J. Judge, MD
• Taufiq Rajwani, DO
• Candice A. Sauder, MD
• Cameron E. Gaskill, MD
• Carlos A. Perez, MD
• Lisa M. Guirguis, MD

All surgical oncologists in Sacramento →

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