Wanxing Chai-Ho, MD

Medicare activity in 2024

Official CMS public-use data for Wanxing Chai-Ho, 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. Injection, pembrolizumab, 1 mg (J9271)9,000 services
2. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)383 services
3. Injection, palonosetron hcl, 25 mcg (J2469)370 services
4. Injection, dexamethasone sodium phosphate, 1 mg (J1100)354 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)335 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 cholesterol72%
• High blood pressure70%
• Arthritis51%
• Ischemic heart disease40%
• Anxiety32%
• Diabetes31%

Hospitals where Wanxing Chai-Ho works

Medicare's Facility Affiliation Data lists Wanxing Chai-Ho 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
• UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050481

Practice locations

Addresses where Wanxing Chai-Ho is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.

• 100 Medical PlazaLos Angeles, CA 90095
• 100 Medical Plz, Suite 310Los Angeles, CA 90095 (310) 825‑7922
• 100 Moody Ct, Suite 200Thousand Oaks, CA 91360 (805) 418‑3500
• 15503 Ventura Blvd, Suite 150Encino, CA 91436 (310) 570‑1467
• 200 Medical PlazaLos Angeles, CA 90095

Group practices

Medicare enrollment lists Wanxing Chai-Ho as a member of this group (CMS data updated October 2, 2026).

• The Regents of the University of California1,462 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Los Angeles

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

• Samer Alkassis, MD
• Gottfried Konecny, MD
• Barry Rosenbloom, MD
• Ashley N. Gray, MD
• Yang Jiang, MD
• Adam E. Singer, MD
• Arjan Gower, MD
• Danielle R. Sterrenberg, MD

All hematologist-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.

• Sarah M. Chan, MD
• Samer Alkassis, MD
• Vivek Bose, MD
• Melkon Hacobian, MD
• Cristina H. Nguyen, MD
• Matthew C. Powley, NP

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