Justin H. Tan, MD

Medicare activity in 2024

Official CMS public-use data for Justin H. Tan, 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.

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 pressure70%
• High cholesterol57%
• Diabetes37%

Hospitals where Justin H. Tan works

Medicare's Facility Affiliation Data lists Justin H. Tan 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.

• Kaiser Foundation Hospital - San DiegoSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050515

Practice locations

Addresses where Justin H. Tan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.

• 10800 Magnolia AveRiverside, CA 92505 (951) 353‑2000
• 4647 Zion AveSan Diego, CA 92120 (619) 528‑5000
• 4725 -4733 Sunset BlvdLos Angeles, CA 90027 (323) 783‑4011
• 4733 W Sunset BlvdLos Angeles, CA 90027 (213) 667‑4784
• 4867 W Sunset BlvdLos Angeles, CA 90027 (323) 783‑4011

Group practices

Medicare enrollment lists Justin H. Tan as a member of this group (CMS data updated October 2, 2026).

• Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso

Find other Interventional Radiology doctors in California →

Other interventional radiologists in Riverside

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

• Elena Milosavljevic, MD
• Alfonso N. Pham, MD
• Ricky B. Kim, MD
• Daniel H. Jin, MD
• Dipesh Patel, MD
• Huan N. Tran, MD
• Karl Weingarten, MD
• Aaron L. Reposar, MD

All interventional radiologists in Riverside →

Other clinicians in Southern California Permanente Medical Group

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

• Donetta Jackson
• Arthur A. Melgoza, PA
• William W. Crawford, MD
• Brooke C. Leedy, PA
• Alice J. Kolodji, NP
• Megan C. Johnson, 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