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Diagnostic Radiology

Randall W. Ryan, MD

Works at hospitals in Newark, DE · Elkton, MD · Delaware, Maryland

Summary

Randall W. Ryan, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Newark, DE and Elkton, MD. NPI 1811957970. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Randall W. Ryan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
44Years since medical school (graduated 1982)
Jefferson Medical College Of Thomas Jefferson UniversityMedical school
MaleGender (as listed)
Christiana Care Health Services IncGroup practice

Quick answers

Which hospitals does Randall W. Ryan work at?
Medicare's official clinician data lists Randall W. Ryan at 2 hospitals: Christiana Hospital and Union Hospital of Cecil County. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Randall W. Ryan see patients?
Medicare's clinician data lists 2 practice locations, including Wilmington, DE and Newark, DE. Call before your visit to confirm the address.
What is Randall W. Ryan's specialty?
Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
Does Randall W. Ryan accept Medicare assignment?
Yes. Medicare's clinician data says Randall W. Ryan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Randall W. Ryan's NPI number?
1811957970. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Randall W. Ryan works

Medicare's Facility Affiliation Data lists Randall W. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Randall W. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Randall W. Ryan as a member of this group (CMS data updated 2026-10-02).

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

Specialties

Find other Diagnostic Radiology doctors in Delaware →

Other radiologists in Wilmington

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

All radiologists in Wilmington →

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811957970
CorrectionsReport an error or suggest an update →

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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians