Armin Arbab-Zadeh, MD

Medicare activity in 2024

Official CMS public-use data for Armin Arbab-Zadeh, 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)904 services
2. Ct scan of heart structure with contrast (75572)185 services
3. Ct scan of blood vessels and grafts of heart with contrast (75574)95 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)80 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)32 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%
• Atrial fibrillation57%
• Ischemic heart disease53%
• Arthritis52%
• Heart failure44%

Hospitals where Armin Arbab-Zadeh works

Medicare's Facility Affiliation Data lists Armin Arbab-Zadeh 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.

• Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210044
• Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210029
• The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009

Practice locations

Addresses where Armin Arbab-Zadeh is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

• 4940 Eastern AveBaltimore, MD 21224
• 600 N Wolf StBaltimore, MD 21287 (410) 955‑5000
• 600 N Wolfe St, Blalock 266Baltimore, MD 21287 (410) 502‑4340
• 601 N Caroline StBaltimore, MD 21287
• 6201 Greenleigh AveMiddle River, MD 21220

Group practices

Medicare enrollment lists Armin Arbab-Zadeh as a member of these groups (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group
• Johns Hopkins University713 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Maryland →

Other cardiologists in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

• Jose Madrazo, MD
• Stephen J. Plantholt, MD
• Roger Blumenthal, MD
• Robert E. Hood, MD
• Brian G. Kral, MD
• Charles Lowenstein, MD
• Ian Everitt, MD
• Ronak K. Patel, MD

All cardiologists in Baltimore →

Other clinicians in Johns Hopkins University

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

• Breanna Sloan, NP
• Christopher R. Johnson, DO
• Alexie Smith, CNA
• Olivia A. Floyd, NP
• Jose Madrazo, MD
• Josephine Feliciano, 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