Quick answers
- Which hospitals does William E. Prominski work at?
- Medicare's official clinician data lists William E. Prominski at 3 hospitals: Adventist Healthcare Fort Washington Medical Ctr, Adventist Healthcare Shady Grove Medical Center and Adventist Healthcare White Oak Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Prominski see patients?
- Medicare's clinician data lists 8 practice locations, including Fort Washington, MD, Silver Spring, MD and Rockville, MD. Call before your visit to confirm the address.
- What is William E. Prominski's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does William E. Prominski accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Prominski 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 William E. Prominski?
- (301) 203-2246, as listed in official Medicare / NPI Registry data.
- What is William E. Prominski's NPI number?
- 1699749788. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Prominski works
Medicare's Facility Affiliation Data lists William E. Prominski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare Fort Washington Medical CtrFort Washington, MD · Acute Care Hospital · CCN 210060
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · CCN 210057
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · CCN 210016
Practice locations
Addresses where William E. Prominski is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 11711 Livingston RdFort Washington, MD 20744 (301) 203‑2246
- 11886 Healing Way, 102 Ahc ImagingSilver Spring, MD 20904 (240) 637‑6120
- 11890 Healing Way, Ahc ImagingSilver Spring, MD 20904 (240) 637‑6222
- 15005 Shady Grove Rd, Suite 110Rockville, MD 20850 (301) 424‑4888
- 25 Crossroads Dr, Suite 180Owings Mills, MD 21117 (410) 356‑0343
Group practices
Medicare enrollment lists William E. Prominski as a member of these groups (CMS data updated 2026-10-02).
- Blackwell Physicians, LLC68 clinicians in the group
- Washington Open Mri Inc3 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Fort Washington
Clinicians with the same Medicare primary specialty in Fort Washington, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699749788 |
| 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