NPPES file of Aug 9, 2026

Demetrios J. Agriantonis, MD

Vascular & Interventional Radiology Physician · Newark, DE

Demetrios J. Agriantonis, MD is a vascular & interventional radiology physician with a practice address in Newark, Delaware, and NPI 1063577005, issued on Dec 27, 2006. Check the license (Delaware C1-0010195, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063577005
Name
Demetrios J. Agriantonis
Credential
MD
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License numbers
C1-0010195 DE
C10010195 DE
1899 WI
Self-reported in NPPES; status is on the state search
Practice location
4755 Ogletown Stanton Road, Newark, DE 19718
Phone
(302) 733-5625
Enumerated
Dec 27, 2006
Record last updated
Dec 13, 2023
Fax
(302) 733-5665
Medicare enrollment
Enrolled (PECOS I20121022000312); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2004
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4755 Ogletown Stanton Road

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maryam Abdur-Rahman, PA-CPhysician Assistant1730329202
  2. Ramesh Adabala, M.D.,Internal Medicine Physician1902898596
  3. Martha Aiken, NPFamily Nurse Practitioner1932350048
  4. Berniece Ajavon, CRNACertified Registered Nurse Anesthetist1609803493
  5. Leslie Alexander, CRNACertified Registered Nurse Anesthetist1336426857
  6. Hassaan Arshad, MDInternal Medicine Physician1043890007

Verify Demetrios J. Agriantonis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0010195
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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47% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024

40 Medicare Part D claims for 19 beneficiaries, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Demetrios Agriantonis40
  2. Specialty average75

Most prescribed

  1. Eliquis18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,393.45

34 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Demetrios Agriantonis$1,393.45
  2. Specialty average$7,206.73

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Christiana Care Health Services IncNewark, DE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Demetrios J. Agriantonis among 16 vascular & interventional radiology physician records in Delaware

Demetrios J. Agriantonis, MD is one of 16 vascular & interventional radiology physician records with a practice address in Delaware. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 69% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 100% of these records are
  • Graduated2004 · median 2011 among the 16 with a school on file
  • Record last updated2023 · 19% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in Delaware

There are 16 vascular & interventional radiology physician records in Delaware.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Assaf Graif, MDNewark, DE 197181598051781
  2. Christopher Grilli, D.O.Newark, DE 197181134395445
  3. Daniel Leung, M.D.Newark, DE 197181740375690
  4. Xavier Mohammed, MDNewark, DE 197181366974073
  5. Timothy Niesen, M.D.Newark, DE 197181780974105
  6. Uchenna Nwosu, M.D.Newark, DE 197181588921829
  7. Helen Paik, M.D.Newark, DE 197181851730360
  8. Henry Szeto, DONewark, DE 197181871055517

Common questions

What is Demetrios J. Agriantonis, MD's NPI number?

Demetrios J. Agriantonis, MD's National Provider Identifier (NPI) is 1063577005, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Demetrios J. Agriantonis, MD located?

The NPPES record lists a practice address at 4755 Ogletown Stanton Road, Newark, DE, 19718. Phone: (302) 733-5625. Providers update this record themselves, so call before visiting.

How can I verify Demetrios J. Agriantonis, MD's license?

NPPES lists Delaware license number C1-0010195, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Demetrios J. Agriantonis, MD prescribe under Medicare Part D?

In 2024, Demetrios J. Agriantonis, MD had 40 Medicare Part D claims for 19 beneficiaries; the average among vascular & interventional radiology physician prescribers was 75. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.