Margaret A. Vartanian, MD

Medicare activity in 2024

Official CMS public-use data for Margaret A. Vartanian, 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. Anesthesia for exam of colon using an endoscope (00812)12 services
2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)11 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%
• High blood pressure74%
• Arthritis55%
• Chronic kidney disease31%
• Ischemic heart disease29%
• Diabetes28%

Hospitals where Margaret A. Vartanian works

Medicare's Facility Affiliation Data lists Margaret A. Vartanian 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.

• Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007

Practice locations

Addresses where Margaret A. Vartanian is enrolled with Medicare (CMS data updated October 2, 2026).

• 1501 Trousdale DrBurlingame, CA 94010 (650) 696‑5400

Group practices

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

• Anesthesia Care Associates Medical Group, Inc107 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Burlingame

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

• Tyken C. Hsieh, MD
• Kristen M. Telischak, MD
• Joseph F. Borau, MD
• Taylor A. Deng, MD
• Bhanumathi Guruswami, MD
• Andrew Tran, MD
• Edwin Cheng, MD
• Vernon Huang, MD

All anesthesiologists in Burlingame →

Other clinicians in Anesthesia Care Associates Medical Group, Inc

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

• Tyken C. Hsieh, MD
• Margaret E. Smith, MD
• Phebe S. Ko, MD
• Joanna E. Haight, MD
• Jason W. Lang, MD
• Joseph F. Borau, 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