Andrew R. Krieger, MD

Medicare activity in 2024

Official CMS public-use data for Andrew R. Krieger, 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)255 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)209 services
3. Critical care, first 30-74 minutes (99291)201 services
4. Emergency department visit with moderate level of medical decision making (99284)57 services
5. Critical care, each additional 30 minutes (99292)19 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%
• Arthritis61%
• Diabetes47%
• Chronic kidney disease47%
• Ischemic heart disease44%

Hospitals where Andrew R. Krieger works

Medicare's Facility Affiliation Data lists Andrew R. Krieger 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.

• Providence St. Jude Medical CenterFullerton, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050168

Practice locations

Addresses where Andrew R. Krieger is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 E Valencia Mesa DrFullerton, CA 92835 (714) 871‑3280

Group practices

Medicare enrollment lists Andrew R. Krieger as a member of this group (CMS data updated October 2, 2026).

• St Jude Emergency Medical Group Inc21 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Fullerton

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

• Donald J. Greco, MD
• Jai H. Ho, MD
• Daniel Tadros, MD
• Thien M. Nguyen, MD
• Dustin Marinelli, DO
• Soheil Nafeei, MD
• Perry L. Dinh, DO
• Kristin Kahale, MD

All emergency medicine doctors in Fullerton →

Other clinicians in St Jude Emergency Medical Group Inc

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

• Donald J. Greco, MD
• Jai H. Ho, MD
• Serra Collins, PA
• Thien M. Nguyen, MD
• Dustin Marinelli, DO
• Kristin Kahale, 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