Araz Marachelian, MD

Practice locations

Addresses where Araz Marachelian is enrolled with Medicare (CMS data updated October 2, 2026).

• 4650 W Sunset BlvdLos Angeles, CA 90027 (323) 361‑8408

Group practices

Medicare enrollment lists Araz Marachelian as a member of this group (CMS data updated October 2, 2026).

• Childrens Hospital Los Angeles Medical Group Inc295 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.

• Grant W. Jirka, MD
• Michael R. Migotsky, MD
• Thomas C. Hofstra, MD
• Sara-Jane Onyeama, MD
• Michael Y. Cho, MD
• Becky J. Miller, MD
• Mark Forsberg, MD
• Minh D. Nguyen, MD

All hematologist-oncologists in Los Angeles →

Other clinicians in Childrens Hospital Los Angeles Medical Group Inc

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

• Rebecca Parker, MD
• Mark D. Krieger, MD
• Michael R. Migotsky, MD
• Thomas C. Hofstra, MD
• Melissa H. Cowell, MD
• Matthew R. Novak, 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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians