Quick answers
- Which hospitals does Mark M. Brejt work at?
- Medicare's official clinician data lists Mark M. Brejt at 5 hospitals: Greater Baltimore Medical Center, Umd Upper Chesapeake Medical Center, University of Maryland Medical Center, University of MD Baltimore Washington Medical Center and University of MD St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark M. Brejt see patients?
- Medicare's clinician data lists 35 practice locations, including Columbia, MD, Bel Air, MD and Annapolis, MD. Call before your visit to confirm the address.
- What is Mark M. Brejt's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark M. Brejt accept Medicare assignment?
- Yes. Medicare's clinician data says Mark M. Brejt 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 Mark M. Brejt?
- (888) 972-9700, as listed in official Medicare / NPI Registry data.
- What is Mark M. Brejt's NPI number?
- 1255378196. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark M. Brejt works
Medicare's Facility Affiliation Data lists Mark M. Brejt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210044
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · CCN 210049
- University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210002
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD · Acute Care Hospital · CCN 210043
- University of MD St Joseph Medical CenterTowson, MD · Acute Care Hospital · CCN 210063
Practice locations
Addresses where Mark M. Brejt is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 35; the Medicare profile lists all.
- 10285 Little Patuxent Pkwy, Suite 450Columbia, MD 21044 (888) 972‑9700
- 104 Plumtree RdBel Air, MD 21015
- 116 Defense Hwy, Suite Ll100Annapolis, MD 21401
- 11810 W Market PlFulton, MD 20759 (888) 972‑9700
- 1209 York Rd, Suite 100Lutherville, MD 21093
Group practices
Medicare enrollment lists Mark M. Brejt as a member of this group (CMS data updated 2026-10-02).
- Advanced Radiology P A188 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255378196 |
| 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