William Edmund Prominski, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

MD045791 Issued in DC

Practice address

5255 Loughboro Rd NW
Washington, DC 20016-2633

Phone

(202) 537-4000

NPI assigned

Feb 15, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Other names 1

• Bill Edmund Prominski Other name

Medicare fee-for-service enrollment

Enrolled in DC, VA, MD3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Diagnostic Radiology

Education

Georgetown University School of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Blackwell Physicians, LLCGroup PAC ID 2163810383, 67 clinicians

Washington Open MRI IncGroup PAC ID 8426037169, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Healthcare White Oak Medical Center Hospital, Silver Spring, MD, CCN 210016
• Adventist Healthcare Shady Grove Medical Center Hospital, Rockville, MD, CCN 210057
• Adventist Healthcare Fort Washington Medical Ctr Hospital, Fort Washington, MD, CCN 210060

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as individual

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Blackwell Physicians, LLC

  • Diagnostic Radiology Physician
  • Rockville, MD
  • NPI 1932772589

  DC

  Medicare reassignment Care Compare group NPD
• Washington Open MRI Inc

  • Diagnostic Radiology Physician
  • Rockville, MD
  • NPI 1336184241

  DC

  Medicare reassignment Care Compare group NPD
• Adventist Physician Services, Inc.

  • Physical Medicine & Rehabilitation Physician
  • Gaithersburg, MD
  • NPI 1376623207

  DC

  Medicare reassignment NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  • Health Maintenance Organization
  • Halethorpe, MD
  • NPI 1043378656

  Diagnostic Radiology

  Medicare reassignment NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  • Health Maintenance Organization
  • Lansdowne, VA
  • NPI 1861552721

  Family Medicine

  Medicare reassignment NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  • Health Maintenance Organization
  • Annapolis, MD
  • NPI 1952461816

  DC, Family Medicine

  Medicare reassignment NPD
• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC

  Medicare reassignment
• Inova Health Care Services

  • Medical Technologist
  • Sterling, VA
  • NPI 1699655589
  NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  • Health Maintenance Organization
  • Halethorpe, MD
  • NPI 1417294984
  NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Rockville, MD
  • NPI 1962108753
  NPD
• Centra Health Inc

  • General Acute Care Hospital
  • Lynchburg, VA
  • NPI 1770693939
  NPD (past)
• Fair Oaks Imaging Center, PC

  • Diagnostic Radiology Physician
  • Fairfax, VA
  • NPI 1063437903
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Adventist Healthcare Fort Washington Medical Center Inc

  • General Acute Care Hospital
  • Ft Washington, MD
  • NPI 1932146461
  Care Compare affiliation
• Adventist Healthcare, Inc.

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1487650024
  Care Compare affiliation
• Adventist Healthcare, Inc.

  • General Acute Care Hospital
  • Rockville, MD
  • NPI 1568468221
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1139961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1699749788",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5255 LOUGHBORO RD NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200162633",
            "telephone_number": "202-537-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1610 Fielding Lewis Way",
            "address_purpose": "LOCATION",
            "city": "Mc Lean",
            "state": "VA",
            "postal_code": "221013246",
            "country_code": "US",
            "telephone_number": "952-595-1100",
            "fax_number": "612-294-4903",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8600 Old Georgetown Rd",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208141422",
            "country_code": "US",
            "telephone_number": "301-896-3100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PROMINSKI",
        "first_name": "WILLIAM",
        "middle_name": "EDMUND",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-15",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "DC",
            "license": "MD045791",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MD",
            "license": "D0040432",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "VA",
            "license": "0101041171",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "BILL",
            "last_name": "PROMINSKI",
            "middle_name": "EDMUND",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Progressive Physical Therapy Center
• Progressive Physical Therapy, LLC
• Kevin Andrew Prohaska, D.O.
• Nicole Prohaska
• Kathryn Taylor Prominski, PT, DPT
• Promising Prep LLC
• Aishah Prophet
• Asia Prophet, M.A
• Ernestine D Prophet
• Virgella Jakara Prophet

• Diagnostic Radiology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Diagnostic Radiology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.