Active NPI
William J Barker, MD
- Emergency Medical Services (Emergency Medicine) Physician
- Warrenton, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medical Services (Emergency Medicine) Physician
- License
- 0101036994
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 006028608 | Medicaid | VA | |
| 010055601 | Medicaid | VA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emergency Medicine Associates P.a., P.C. | Emergency Medical Services | Current | Accepting new patients |
| Emergency Medicine Associates, P.a.,P.C. | Current | Accepting new patients | |
| Virginia Hospitalist Physicians PLLC | Current | Accepting new patients | |
| Inova Health Care Services | Current | Accepting new patients | |
| Emergency Medicine Associates P.a., P.C. | Current | Accepting new patients | |
| Inova Health Care Services | Current | Accepting new patients | |
| Inova Health Care Services | Current | 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.
-
- Emergency Medicine Physician
- Falls Church, VA
- NPI 1134117393
DC, Emergency Medical Services
-
- Emergency Medical Services (Emergency Medicine) Physician
- Fairfax, VA
- NPI 1649203605
DC
-
- Emergency Medical Services (Emergency Medicine) Physician
- Warrenton, VA
- NPI 1700988664
VA
-
- Internal Medicine Physician
- Culpeper, VA
- NPI 1881559102
-
- Urgent Care Clinic/Center
- Vienna, VA
- NPI 1275886418
-
- Medical Technologist
- Sterling, VA
- NPI 1699655589
-
- Hospitalist Physician
- Warrenton, VA
- NPI 1780706960
-
- Internal Medicine Physician
- Elmira, NY
- NPI 1427326768
Care Compare profile
Medicare Care CompareMerit-based Incentive Payment System (MIPS)
- Final score
- 81.6 of 100
- 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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 2008; 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.