Nawar Y. Matti, MD

Medicare activity in 2024

Official CMS public-use data for Nawar Y. Matti, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)408 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)323 services
3. Special stained specimen slides to examine tissue, initial procedure (88342)161 services
4. Pathology examination of tissue using a microscope, moderately low complexity (88304)108 services
5. Preparation of tissue for examination by removing any calcium present (88311)103 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%
• Arthritis60%
• Diabetes44%
• Ischemic heart disease38%
• Chronic kidney disease37%

Hospitals where Nawar Y. Matti works

Medicare's Facility Affiliation Data lists Nawar Y. Matti 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.

• Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050701
• Temecula Valley HospitalTemecula, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050775

Practice locations

Addresses where Nawar Y. Matti is enrolled with Medicare (CMS data updated October 2, 2026).

• 800 S Main StCorona, CA 92882 (951) 436‑6383

Group practices

Medicare enrollment lists Nawar Y. Matti as a member of this group (CMS data updated October 2, 2026).

• Boris Shlopov MD Pathology Medical Corporation4 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in California →

Other pathologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Stephan R. Grigorian, MD
• Ammar Matloob, MD
• Raquele J. Laury, MD
• Fei Dong, MD
• Allen D. Morris, MD
• Wayne M. Schultheis, MD
• Priya D. Velu, MD
• Tyler G. Jenkins, MD

All pathologists in California →

Other clinicians in Boris Shlopov MD Pathology Medical Corporation

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

• Stephan R. Grigorian, MD
• Ammar Matloob, MD
• Boris Shlopov, 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