Andrew Wittenberg, MD

Medicare activity in 2024

Official CMS public-use data for Andrew Wittenberg, 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. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)85 services
2. Emergency department visit with high level of medical decision making (99285)78 services
3. Electrocardiogram (ecg) 1 to 3 leads with review by physician only (93042)56 services
4. Critical care, first 30-74 minutes (99291)36 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)21 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%
• Diabetes51%
• Arthritis50%
• Depression39%
• Chronic kidney disease37%

Hospitals where Andrew Wittenberg works

Medicare's Facility Affiliation Data lists Andrew Wittenberg 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.

• Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485

Practice locations

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

• 2801 Atlantic AveLong Beach, CA 90806 (310) 933‑2000

Group practices

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

• Columbia Emergency Medical Group Inc44 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Long Beach

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

• Arlene M. Vernon, MD
• Shahrzad Rafiee, MD
• Amanda L. Rodriguez, MD
• Aslam A. Akhtar, MD
• Alex D. Doo, MD
• Stuart S. Miller, MD
• Gregory Bush, MD
• Roy Almog, MD

All emergency medicine doctors in Long Beach →

Other clinicians in Columbia Emergency Medical Group Inc

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

• Karla K. Padova, PA
• Shahrzad Rafiee, MD
• Aslam A. Akhtar, MD
• Diego Abdelnur, MD
• Steven Bunch, MD
• Kenneth R. Chuang, 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