Anna L. Yap, MD

Medicare activity in 2024

Official CMS public-use data for Anna L. Yap, 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. Emergency department visit with high level of medical decision making (99285)113 services
2. Emergency department visit with moderate level of medical decision making (99284)83 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
4. Emergency department visit with low level of medical decision making (99283)19 services
5. Critical care, first 30-74 minutes (99291)18 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%
• Arthritis51%
• Diabetes43%
• Chronic kidney disease39%
• Ischemic heart disease34%

Hospitals where Anna L. Yap works

Medicare's Facility Affiliation Data lists Anna L. Yap 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.

• University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050599

Practice locations

Addresses where Anna L. Yap is enrolled with Medicare (CMS data updated October 2, 2026).

• 2315 Stockton BlvdSacramento, CA 95817 (916) 703‑3011
• 3160 Folsom Blvd, Suite 2500Sacramento, CA 95816 (916) 734‑7777

Group practices

Medicare enrollment lists Anna L. Yap as a member of these groups (CMS data updated October 2, 2026).

• Regents of the Univ of Ca1,584 clinicians in the group
• Regents of the University of California567 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Sacramento

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

• James J. Luz, MD
• Gretchen Nonawzki, DO
• Tamara S. Heibult, MD
• Trevor S. Cadogan, MD
• Aram I. Durgerian, MD
• Ian M. Julie, MD
• Cameron L. Jones, MD
• Lydia P. Mendoza, MD

All emergency medicine doctors in Sacramento →

Other clinicians in Regents of the Univ of Ca

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

• Suresh Appasamy, MD
• Julia R. Froud, MD
• Tiffany Wong, PA
• Arash Velayati, MD
• Michelle D. Sanders, NP
• Kenneth T. Furukawa, 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