Individual provider Active NPI

William J Barker, MD

  • Emergency Medical Services (Emergency Medicine) Physician
  • Warrenton, VA
National Provider Identifier
1770599847
Registry record updated Apr 30, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medical Services (Emergency Medicine) PhysicianTaxonomy code 207PE0004X
License
0101036994 Issued in VA
Practice address
500 Hospital Dr
Warrenton, VA 20186-3027
Phone
(540) 349-0595
Fax
(540) 349-0587
NPI assigned
Jul 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2008

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X 0101036994 VA Primary

Addresses

Primary practice location

500 Hospital Dr
Warrenton, VA 20186-3027

Mailing address

PO Box 223323
Chantilly, VA 20153-3323
Phone (540) 349-0595

Other identifiers 2

IdentifierTypeStateIssuer
006028608MedicaidVA
010055601MedicaidVA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20040507000639 DC Practitioner - Emergency Medicine 2062405780 Reassigns benefits to 3 organizations
I20070912000221 VA Practitioner - Emergency Medicine 2062405780 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Associates P.a., P.C. Emergency Medical Services CurrentSince Feb 1, 2022 Accepting new patients
Emergency Medicine Associates, P.a.,P.C. CurrentSince Feb 1, 2022 Accepting new patients
Virginia Hospitalist Physicians PLLC Current Accepting new patients
Inova Health Care Services CurrentSince Mar 1, 2020 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Feb 1, 2022 Accepting new patients
Inova Health Care Services CurrentSince Mar 1, 2020 Accepting new patients
Inova Health Care Services CurrentSince Mar 1, 2020 Accepting new patients
Arnot Medical Services PLLC Past Accepting new patients

Locations

12420 Milestone Center Dr
Ste 200
Germantown, MD 20876
Phone (336) 509-7515

1701 N George Mason Dr
Arlington, VA 22205
Phone (703) 558-5000

3600 Joseph Siewick Dr
Fairfax, VA 22033
Phone (703) 391-3037

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

100 Fairview Dr
Franklin, VA 23851
Phone (757) 516-1153

15225 Heathcote Blvd
Haymarket, VA 20169
Phone (571) 284-1000

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

8700 Sudley Rd
Manassas, VA 20110
Phone (703) 369-8000

500 Hospital Dr
Warrenton, VA 20186
Phone (540) 316-5000

Organizations & group practices 10

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.

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
81.6 of 100Reported as group
Quality
76.36
Improvement activities
40

NPI Registry JSON

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

{
    "created_epoch": "1154304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1209513600000",
    "number": "1770599847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 223323",
            "city": "CHANTILLY",
            "state": "VA",
            "postal_code": "201533323",
            "telephone_number": "540-349-0595"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 HOSPITAL DR",
            "city": "WARRENTON",
            "state": "VA",
            "postal_code": "201863027",
            "telephone_number": "540-349-0595",
            "fax_number": "540-349-0587"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARKER",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-31",
        "last_updated": "2008-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "VA",
            "license": "0101036994",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "006028608",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "010055601",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Warrenton, VA

Sources for this page

Verify at the official NPI Registry.