Brendan Antiochos, MD

Medicare activity in 2024

Official CMS public-use data for Brendan Antiochos, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)110 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)94 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)32 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)15 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 cholesterol75%
• High blood pressure71%
• Arthritis56%
• Chronic kidney disease36%
• Osteoporosis29%
• Diabetes28%

Hospitals where Brendan Antiochos works

Medicare's Facility Affiliation Data lists Brendan Antiochos 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.

• 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
• Tidalhealth Peninsula Regional, IncSalisbury, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210019

Practice locations

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

• 5501 Hopkins Bayview CirBaltimore, MD 21224 (410) 550‑0545

Group practices

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

• Johns Hopkins University2,909 clinicians in the group

Specialties

• Rheumatologyprimary
• Internal Medicinealso

Find other Rheumatology doctors in Maryland →

Other rheumatologists in Baltimore

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

• Marc C. Hochberg, MD
• Andrea Fava, MD
• Thomas Grader Beck, MD
• Lisa Christopher, MD
• Chaim B. Mond, MD
• Jamal A. Mikdashi, MD
• Ashika Ajitkumar, MD
• Michelle Petri, MD

All rheumatologists in Baltimore →

Other clinicians in Johns Hopkins University

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

• Sina Hassan Beygi Monfared, MD
• David Wolinsky, MD
• Fenan Rassu, CP
• Ashley Zinalabedini, NP
• John Eng, MD
• Azeem H. Syed, 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