Charlotte X. Zhang, MD

Medicare activity in 2024

Official CMS public-use data for Charlotte X. Zhang, 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. Hospital discharge day management, more than 30 minutes (99239)160 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)139 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)129 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)43 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%
• Arthritis63%
• Heart failure52%
• Ischemic heart disease47%
• Diabetes45%

Hospitals where Charlotte X. Zhang works

Medicare's Facility Affiliation Data lists Charlotte X. Zhang 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.

• Cedar-Sinai Marina del Rey HospitalMarina del Rey, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050740

Practice locations

Addresses where Charlotte X. Zhang is enrolled with Medicare (CMS data updated October 2, 2026).

• 4650 Lincoln BlvdMarina Del Rey, CA 90292 (310) 823‑8911

Group practices

Medicare enrollment lists Charlotte X. Zhang as a member of this group (CMS data updated October 2, 2026).

• Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in California →

Other hospitalists in Marina Del Rey

Clinicians with the same Medicare primary specialty in Marina Del Rey, CA — not a recommendation.

• Anusha Deshpande, DO
• Eunkyung Shin, MD
• Sachini Ranasinghe, MD
• Ravneet Bajwa, MD
• Jaspreet S. Shergill, MD
• Yakov M. Mamzhi, MD
• Brandon K. Truong, MD
• Jonathan Vo, MD

All hospitalists in Marina Del Rey →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

• Megan M. Detoy, PA
• Alice P. Chung, MD
• Christos Photopoulos, MD
• Adam Truong, MD
• Adam Perez, MD
• Ashkan Farzad, 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