Kelly J. Lew, MD

Medicare activity in 2024

Official CMS public-use data for Kelly J. Lew, 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. Emergency department visit with high level of medical decision making (99285)76 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)55 services
3. Emergency department visit with moderate level of medical decision making (99284)21 services
4. Critical care, first 30-74 minutes (99291)16 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 cholesterol69%
• Depression51%
• Arthritis49%
• Diabetes48%
• Anxiety46%

Hospitals where Kelly J. Lew works

Medicare's Facility Affiliation Data lists Kelly J. Lew 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.

• Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Kelly J. Lew is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 the City Dr SOrange, CA 92868 (714) 456‑7004
• 4077 5th AveSan Diego, CA 92103 (619) 686‑3800

Group practices

Medicare enrollment lists Kelly J. Lew as a member of these groups (CMS data updated October 2, 2026).

• Regents of the University of129 clinicians in the group
• Pacific Emergency Providers a Prof Corp24 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Orange

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

• Jamal D. Mustafa, MD
• Michael W. Perlman, MD
• Lindsey C. Spiegelman, MD
• Daniel Rogan, MD
• Annika Van Wieren, MD
• Daniel S. Choi, MD
• Joseph J. Jean, MD
• Robert A. Shapiro, MD

All emergency medicine doctors in Orange →

Other clinicians in Regents of the University of

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

• Charles Giron, PA
• Michael W. Perlman, MD
• Lindsey C. Spiegelman, MD
• Parth Patel, MD
• Isabel M. Algaze Gonzalez, MD
• Sophia Spann, DO

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