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Vascular & Interventional Radiologists in Delaware

Data updated monthly · Last refresh October 2026

15 Vascular & Interventional Radiology providers practice in Delaware, including 6 (40%) offering telehealth. The largest concentration is in Newark. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

15providers
6telehealth
Newarktop city

Vascular & Interventional Radiology by city in Delaware

Choose a city to see providers there.

Vascular & Interventional Radiology in Newark10 providers
Vascular & Interventional Radiology in Dover2 providers
Vascular & Interventional Radiology in Wilmington2 providers
Vascular & Interventional Radiology in New Castle1 providers

Where Vascular & Interventional Radiologists in Delaware practice

From CMS Medicare enrollment records covering 11 of the 15 providers listed here (73%). Providers who do not bill Medicare are not included in these figures.

9%solo or small practice (under 10 clinicians)
18%mid-size group (10 to 99)
73%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Vascular & Interventional RadiologistsAll clinicians in groupMain city
Christiana Care Health Services Inc.81,480Newark

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingVascular & Interventional Radiologists affiliated
Christiana HospitalNewarkNonprofit4 of 59
Beebe Medical CenterLewesNonprofit3 of 54
Bayhealth Medical Center, Kent CampusDoverNonprofit2 of 52
Bayhealth Hospital, Sussex CampusMilfordNonprofit3 of 52

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Vascular & Interventional Radiology providers in Delaware

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. David Xu, M.D.
Dover, DE · $310 in drug and device payments (2025) · (302) 744-7062
Dr. Michael Amygdalos
Dover, DE · No drug or device payments recorded (2025) · (302) 674-2202
Dr. Assaf Graif, MD
Newark, DE · $39,275 in drug and device payments (2025) · Telehealth · (302) 733-5625
Dr. Christopher Grilli, D.O.
Newark, DE · $41,584 in drug and device payments (2025) · Telehealth · (302) 733-5625
Dr. Daniel Leung, M.D.
Newark, DE · $24,102 in drug and device payments (2025) · Telehealth · (302) 733-1806
Dr. Demetrios Agriantonis, MD
Newark, DE · $2,370 in drug and device payments (2025) · Telehealth · (302) 733-5625
Dr. Helen Paik, M.D.
Newark, DE · $631 in drug and device payments (2025) · Telehealth · (302) 733-1806
Dr. Henry Szeto, DO
Newark, DE · $5,645 in drug and device payments (2025) · (302) 733-5625
Dr. Timothy Niesen, M.D.
Newark, DE · $106 in drug and device payments (2025) · (302) 733-1806
Dr. Uchenna Nwosu, M.D.
Newark, DE · $500 in drug and device payments (2025) · (302) 733-5582
Dr. William Hartz, M.D.
Newark, DE · No drug or device payments recorded (2025) · (302) 738-1700
Dr. Xavier Mohammed, MD
Newark, DE · $633 in drug and device payments (2025) · (302) 733-5625
Dr. Anurag Chahal, M.D.
New Castle, DE · $132 in drug and device payments (2025) · Telehealth · (302) 295-3545
Dr. Edel Mendoza, M.D.
Wilmington, DE · $16,431 in drug and device payments (2025) · (302) 575-8368
Dr. Mark Garcia, MD
Wilmington, DE · $4,458 in drug and device payments (2025) · (302) 760-9002

Common questions

How many Vascular & Interventional Radiology providers are in Delaware?

There are 15 Vascular & Interventional Radiology providers with active NPI records practicing in Delaware, according to federal NPPES data refreshed monthly.

Do Vascular & Interventional Radiology providers in Delaware offer telehealth?

Yes. 6 of the 15 Vascular & Interventional Radiology providers in Delaware (about 40%) report offering telehealth services in CMS data.

Which cities in Delaware have the most Vascular & Interventional Radiology providers?

Newark (10), Dover (2), Wilmington (2) have the highest concentration of Vascular & Interventional Radiology providers in Delaware.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Vascular & Interventional Radiologists in Delaware work in independent practices or large health systems?

Among 11 Vascular & Interventional Radiologists in Delaware enrolled in Medicare, 9% bill through a solo or small practice with fewer than 10 clinicians, 18% through a mid-size group of 10 to 99, and 73% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Vascular & Interventional Radiologists in Delaware work at?

According to CMS facility affiliation records, the Delaware hospitals where the most Vascular & Interventional Radiologists hold privileges are Christiana Hospital in Newark; Beebe Medical Center in Lewes; Bayhealth Medical Center, Kent Campus in Dover.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Vascular & Interventional Radiology in Delaware? Get featured.