Quick answers
- Which hospitals does Michele E. Callahan work at?
- Medicare's official clinician data lists Michele E. Callahan at 1 hospital: University of Maryland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michele E. Callahan see patients?
- Medicare's clinician data lists 1 practice location in Baltimore, MD. Call before your visit to confirm the address.
- What is Michele E. Callahan's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michele E. Callahan accept Medicare assignment?
- Yes. Medicare's clinician data says Michele E. Callahan 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 Michele E. Callahan?
- (410) 328-8025, as listed in official Medicare / NPI Registry data.
- What is Michele E. Callahan's NPI number?
- 1639411879. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michele E. Callahan works
Medicare's Facility Affiliation Data lists Michele E. Callahan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210002
Practice locations
Addresses where Michele E. Callahan is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 S Green StBaltimore, MD 21201 (410) 328‑8025
Group practices
Medicare enrollment lists Michele E. Callahan as a member of this group (CMS data updated 2026-10-02).
- University of Maryland Emergency Medicine Associates PA57 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639411879 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians