Active NPI
Hospital Medicine Services of VA, LLC
- Hospitalist Physician
- Fredericksburg, VA
National Provider Identifier
1083311146
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- Legal business name
- HOSPITAL MEDICINE SERVICES OF VA, LLC
- Practice address
- 4600 Spotsylvania Pkwy
Fredericksburg, VA 22408-7762 - Phone
- (540) 498-4000
- NPI assigned
- Feb 9, 2023
- Last updated
- Nov 20, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Mr. Vyvyan Derouen
- Title
- President
- Phone
- (615) 376-5076
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | NU | Primary |
Addresses
Primary practice location
4600 Spotsylvania Pkwy
Fredericksburg, VA 22408-7762
Mailing address
2000 Health Park Dr
Brentwood, TN 37027-4692
Phone (615) 373-7406
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA
Enrollment records 1
National Provider Directory
National Provider DirectoryOwnership & related parties
Subparts reporting this organization as parent 2
Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.
-
- Internal Medicine Physician
- Reston, VA
- NPI 1851226096
-
- Hospitalist Physician
- Fredericksburg, VA
- NPI 1932034071
Practitioners & affiliated clinicians
Practitioners 40
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Hospitalist Physician
- Oakton, VA
- NPI 1447782024
-
- Internal Medicine Physician
- Fredericksburg, VA
- NPI 1558821876
-
- Hospitalist Physician
- Richmond, VA
- NPI 1366860462
-
- Internal Medicine Physician
- Norton, VA
- NPI 1841935715
-
- Internal Medicine Physician
- Fredericksburg, VA
- NPI 1558555649
-
- Internal Medicine Physician
- Woodbridge, VA
- NPI 1134138548
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1675900800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1763596800000",
"number": "1083311146",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2000 HEALTH PARK DR",
"city": "BRENTWOOD",
"state": "TN",
"postal_code": "370274692",
"telephone_number": "615-373-7406"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4600 SPOTSYLVANIA PKWY",
"city": "FREDERICKSBURG",
"state": "VA",
"postal_code": "224087762",
"telephone_number": "540-498-4000"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "HOSPITAL MEDICINE SERVICES OF VA, LLC",
"organizational_subpart": "NO",
"enumeration_date": "2023-02-09",
"last_updated": "2025-11-20",
"certification_date": "2025-11-20",
"status": "A",
"authorized_official_last_name": "DEROUEN",
"authorized_official_first_name": "VYVYAN",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "615-376-5076",
"authorized_official_name_prefix": "Mr."
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fredericksburg, VA
- Jennifer Renee Horne, FNP
- Jacqueline Rena Horner, COTA
- Susan Reiko Hoshi, PT, MSA
- Aron Kyle Hoskins, LMT
- Hospital Based Medical Services of Virginia-I, P.C.
- Hospital Medicine Services of VA, LLC
- Hospitalist Medicine Physicians of Fredericksburg, LLC
- Hospitalist Medicine Physicians of Virginia - Mechanicsville, LLC
- Ginger Houck, PT
- Carol S Howard, FNP
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.