Megan Leung, MD

Medicare activity in 2024

Official CMS public-use data for Megan Leung, 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. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)49 services
2. Emergency department visit with moderate level of medical decision making (99284)43 services
3. Emergency department visit with high level of medical decision making (99285)38 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)32 services
5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)20 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 pressure72%
• High cholesterol65%
• Arthritis50%
• Anxiety31%
• Diabetes28%
• Depression27%

Hospitals where Megan Leung works

Medicare's Facility Affiliation Data lists Megan Leung 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.

• UCSF Health Hyde HospitalSan Francisco, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050152

Practice locations

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

• 2100 Powell St, Suite 400Emeryville, CA 94608 (510) 350‑2600
• 450 Stanyan StSan Francisco, CA 94117 (415) 668‑1000
• 900 Hyde StSan Francisco, CA 94109 (415) 353‑6000

Group practices

Medicare enrollment lists Megan Leung as a member of these groups (CMS data updated October 2, 2026).

• Franciscan Medical Group1,421 clinicians in the group
• Cep America - California1,292 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Emeryville

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

• Carson Dangberg, MD
• Brittney L. Banfer, MD
• Bayley Espinoza
• Eric Jenkins, MD
• Brian Rhee, MD
• Caroline B. Baber, DO
• Daniel M. Roth, MD
• Ibrahim Fattah, MD

All emergency medicine doctors in Emeryville →

Other clinicians in Franciscan Medical Group

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

• Bridget V. Regner-Warwick, NP
• Maria Nguyen, MD
• Srdjan Gajic, MD
• Anju Adhikari, MD
• Nathaniel E. Siev, MD
• Douglas Morte

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