Demetrios J. Agriantonis, MD

Medicare activity in 2024

Official CMS public-use data for Demetrios J. Agriantonis, 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. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)171 services
2. Ultrasound study of arm or leg veins with compression and maneuvers (93970)122 services
3. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)102 services
4. Ultrasonic guidance for blood vessel access (76937)87 services
5. Ultrasound of both sides of head and neck blood flow (93880)80 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%
• Arthritis53%
• Chronic kidney disease47%
• Diabetes46%
• Ischemic heart disease42%

Hospitals where Demetrios J. Agriantonis works

Medicare's Facility Affiliation Data lists Demetrios J. Agriantonis 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.

• Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001
• Union Hospital of Cecil CountyElkton, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 210032

Practice locations

Addresses where Demetrios J. Agriantonis is enrolled with Medicare (CMS data updated October 2, 2026).

• 4755 Ogletown Stanton RdNewark, DE 19718 (302) 838‑3088

Group practices

Medicare enrollment lists Demetrios J. Agriantonis as a member of this group (CMS data updated October 2, 2026).

• Christiana Care Health Services Inc1,483 clinicians in the group

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso

Find other Interventional Radiology doctors in Delaware →

Other interventional radiologists in Newark

Clinicians with the same Medicare primary specialty in Newark, DE — not a recommendation.

• Henry Szeto, DO
• Christelle Chedrawy, MD
• Abhishek Kumar, MD
• Assaf Graif, MD

All interventional radiologists in Newark →

Other clinicians in Christiana Care Health Services Inc

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

• Kiera R. Dortch, NP
• Christopher R. Mitchell, MD
• Stephen J. Kushner, DO
• Carla Basadre Quiroz, MD
• Kiron Master, MD
• Timothy J. Niesen, 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