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Emergency Medicine

Alyssa C. Alloy, MD

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

Summary

Alyssa C. Alloy, MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Newark, DE and Elkton, MD. NPI 1518451517. 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 Alyssa C. Alloy, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
FemaleGender (as listed)
Christiana Care Health Services IncGroup practice

Quick answers

Which hospitals does Alyssa C. Alloy work at?
Medicare's official clinician data lists Alyssa C. Alloy 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 Alyssa C. Alloy see patients?
Medicare's clinician data lists 1 practice location in Newark, DE. Call before your visit to confirm the address.
What is Alyssa C. Alloy's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Alyssa C. Alloy accept Medicare assignment?
Yes. Medicare's clinician data says Alyssa C. Alloy 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 the phone number for Alyssa C. Alloy?
(302) 838-3088, as listed in official Medicare / NPI Registry data.
What is Alyssa C. Alloy's NPI number?
1518451517. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alyssa C. Alloy works

Medicare's Facility Affiliation Data lists Alyssa C. Alloy 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 Alyssa C. Alloy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alyssa C. Alloy 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 Emergency Medicine doctors in Delaware →

Other emergency medicine doctors in Newark

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

All emergency medicine doctors in Newark →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518451517
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