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Emergency Medicine

Alexander Blau, DO

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

Summary

Alexander Blau, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Newark, DE and Elkton, MD. NPI 1154860237. 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 Alexander Blau, 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
9Years since medical school (graduated 2017)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Christiana Care Health Services IncGroup practice (+1 more)

Quick answers

Which hospitals does Alexander Blau work at?
Medicare's official clinician data lists Alexander Blau 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 Alexander Blau see patients?
Medicare's clinician data lists 3 practice locations, including Elkton, MD, Newark, DE and Middletown, DE. Call before your visit to confirm the address.
What is Alexander Blau's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Alexander Blau accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Blau 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 Alexander Blau?
(410) 398-4000, as listed in official Medicare / NPI Registry data.
What is Alexander Blau's NPI number?
1154860237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Blau works

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

Group practices

Medicare enrollment lists Alexander Blau as a member of these groups (CMS data updated 2026-10-02).

  • Christiana Care Health Services Inc1,483 clinicians in the group
  • Christiana Care Emergency Physicians LLC76 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Maryland →

Other emergency medicine doctors in Elkton

Clinicians with the same Medicare primary specialty in Elkton, MD — not a recommendation.

All emergency medicine doctors in Elkton →

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154860237
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