Joseph G. Crompton, MD

Medicare activity in 2024

Official CMS public-use data for Joseph G. Crompton, 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. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)57 services
2. Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm (11606)39 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)30 services
4. Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm (12034)23 services
5. Imaging of lymph nodes during surgery (38900)13 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%
• Arthritis55%
• Ischemic heart disease29%
• Diabetes28%
• Chronic kidney disease22%

Hospitals where Joseph G. Crompton works

Medicare's Facility Affiliation Data lists Joseph G. Crompton 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.

• Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
• Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050112

Practice locations

Addresses where Joseph G. Crompton is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Medical Plaza, Suite 310Los Angeles, CA 90095 (310) 825‑7922
• 200 Medical Plaza, Suite 120Los Angeles, CA 90024 (310) 390‑4099

Group practices

Medicare enrollment lists Joseph G. Crompton as a member of this group (CMS data updated October 2, 2026).

• The Regents of the University of California14 clinicians in the group

Specialties

• Surgical Oncologyprimary
• General Surgeryalso

Find other Surgical Oncology doctors in California →

Other surgical oncologists in Los Angeles

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

• Jonathan C. King, MD
• Frederick C. Eilber, MD
• Amanda M. Woodworth, MD
• Maria E. Nelson, MD
• Philip I. Haigh, MD
• Hamed Kargozaran, MD
• Neena Kapoor, MD
• James Economou, MD

All surgical oncologists in Los Angeles →

Other clinicians in The Regents of the University of California

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

• Jonathan C. King, MD
• Frederick C. Eilber, MD
• Danielle M. Graham, MD
• Farnaz Haji, DO
• Jennifer L. Baker, MD
• Mediget Teshome, 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