Raffi Tachdjian, MD

Medicare activity in 2024

Official CMS public-use data for Raffi Tachdjian, 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. Test for allergy using allergenic extract (95004)8,544 services
2. Professional service for preparation and provision of 1 or more antigens (95165)2,200 services
3. Test for allergy using allergenic extract injected into skin (95024)1,214 services
4. Professional service for multiple injections of allergen (95117)328 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)318 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 cholesterol75%
• Arthritis58%
• High blood pressure57%
• Ischemic heart disease38%
• Osteoporosis36%
• Asthma34%

Practice locations

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

• 10833 Le Conte AveLos Angeles, CA 90095
• 10833 Leconte AveLos Angeles, CA 90095 (310) 825‑9124
• 1301 20th St, Suite 380Santa Monica, CA 90404 (310) 998‑0060
• 200 Medical PlazaLos Angeles, CA 90095
• 300 Medical PlazaLos Angeles, CA 90095

Group practices

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

• UC Regents93 clinicians in the group

Specialties

• Allergy/Immunologyprimary
• Pediatric Medicinealso

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in Los Angeles

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

• Asif W. Rafi, MD
• Lananh T. Do, MD
• Melinda J. Braskett, MD
• Louanne M. Tourangeau, MD
• Marion S. Johnson, MD
• Xinyu Wang, MD
• Julia S. Lee, MD
• Lee E. Sheinkopf, MD

All allergist and immunologists in Los Angeles →

Other clinicians in UC Regents

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

• Patricia L. Weng, MD
• Neeraj Srivastava, MD
• John P. Whelan, MD
• Jorge H. Vargas, MD
• Jonathan C. Lebowitz, MD
• Harvey Chiu, 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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians