Sarina A. Vander Zee, MD

Medicare activity in 2024

Official CMS public-use data for Sarina A. Vander Zee, 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. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)1,819 services
2. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)946 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)686 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)649 services
5. Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)242 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%
• Atrial fibrillation62%
• Ischemic heart disease57%
• Arthritis52%
• Heart failure39%

Hospitals where Sarina A. Vander Zee works

Medicare's Facility Affiliation Data lists Sarina A. Vander Zee 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.

• Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
• Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050290

Practice locations

Addresses where Sarina A. Vander Zee is enrolled with Medicare (CMS data updated October 2, 2026).

• 2001 Santa Monica Blvd, Suite 560wSanta Monica, CA 90404 (310) 582‑7900

Group practices

Medicare enrollment lists Sarina A. Vander Zee as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Santa Monica

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

• James S. Lee, MD
• Daniel Wohlgelernter, MD
• Asim Rafique, MD
• Christiane A. Schaeffler, MD
• Shipra P. Hingorany, MD
• Nicole M. Weinberg, MD
• William B. Finch, MD
• Dustin T. Lee, MD

All cardiologists in Santa Monica →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

• Jacklyn C. Ma, MD
• Lawrence Cohen, MD
• Omid Jafari, MD
• Travis S. Scharnweber, MD
• Ilan J. Danan, MD
• Amir R. Ahmed, 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