Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Asa Margolis, DO

Works at hospitals in Baltimore, MD · Maryland

Summary

Asa Margolis, DO (Emergency Medicine) is listed by Medicare at 1 hospital in Baltimore, MD. NPI 1184949950. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Asa Margolis, 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
May acceptAccepts Medicare assignment
16Years since medical school (graduated 2010)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
FemaleGender (as listed)
Johns Hopkins UniversityGroup practice

Quick answers

Which hospitals does Asa Margolis work at?
Medicare's official clinician data lists Asa Margolis at 1 hospital: The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Asa Margolis see patients?
Medicare's clinician data lists 3 practice locations, including Baltimore, MD. Call before your visit to confirm the address.
What is Asa Margolis's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Asa Margolis accept Medicare assignment?
Medicare's clinician data says Asa Margolis may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Asa Margolis?
(410) 502-4340, as listed in official Medicare / NPI Registry data.
What is Asa Margolis's NPI number?
1184949950. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Asa Margolis works

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

Group practices

Medicare enrollment lists Asa Margolis as a member of this group (CMS data updated 2026-10-02).

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Maryland →

Other emergency medicine doctors in Baltimore

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

All emergency medicine doctors in Baltimore →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2010
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1184949950
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