William Prominski, MD
NPI 1699749788 · Diagnostic Radiology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Prominski, MD is a Diagnostic Radiology Physician provider in Washington, DC (NPI 1699749788).
Provider details
- NPI number
- 1699749788
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD045791 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,768 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 449 | $197 |
| Mri Scan of Brain Without Contrast70551 | 297 | $207 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 237 | $180 |
| Mri Scan of Arm Joint Without Contrast73221 | 185 | $210 |
| Mri Scan of Brain Before and After Contrast70553 | 181 | $329 |
| Mri Scan of Leg Joint Without Contrast73721 | 142 |
Practice location
Mailing address
Additional practice locations (1)
- 1610 Fielding Lewis WayMc Lean, VA 22101-3246Phone: (952) 595-1100Fax: (612) 294-4903
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is William Prominski's NPI number?
- William Prominski's National Provider Identifier (NPI) is 1699749788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Prominski's specialty?
- William Prominski is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Prominski located?
- William Prominski's practice location on file with NPPES is 5255 Loughboro Rd Nw, Washington, DC 20016-2633.
- What is William Prominski's phone number?
- The practice phone number listed in the NPPES registry for William Prominski is (202) 537-4000.
- Does William Prominski accept Medicare?
- William Prominski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Prominski's NPI active?
- Yes — William Prominski's NPI (1699749788) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.