Osvaldo A. Lopez, MD

Medicare activity in 2024

Official CMS public-use data for Osvaldo A. Lopez, 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)393 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)160 services
3. Hospital discharge day management, more than 30 minutes (99239)134 services
4. Hospital discharge day management, 30 minutes or less (99238)18 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%
• Arthritis54%
• Ischemic heart disease53%
• Atrial fibrillation47%
• Diabetes45%

Hospitals where Osvaldo A. Lopez works

Medicare's Facility Affiliation Data lists Osvaldo A. Lopez 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 Osvaldo A. Lopez is enrolled with Medicare (CMS data updated October 2, 2026).

• 36485 Inland Valley DrWildomar, CA 92595 (951) 677‑1111

Group practices

Medicare enrollment lists Osvaldo A. Lopez as a member of this group (CMS data updated October 2, 2026).

• Grace Hospitalist Group Inc9 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Wildomar

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

• Tran T. Nguyen, DO
• Danny H. Nguyen, DO
• Arsineh Artounian Savarani, DO
• Martha S. Nemer-Pelizza, MD
• Cameron P. Hines, MD
• Mohammad S. Rahmany, MD
• Joan Chapman, DO
• Akhil Puri, DO

All internal medicine doctors in Wildomar →

Other clinicians in Grace Hospitalist Group Inc

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

• Elie Ghasb, MD
• Martha S. Nemer-Pelizza, MD
• Rami Elmufdi, MD
• Nizar Salek, MD
• Adrian N. Campo, MD
• Mohammad S. Rahmany, 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