Active NPI
Karen Book Rambo, LCSW
- Clinical Social Worker
- Arlington, VA
National Provider Identifier
1538145032
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 0904002203
- Practice address
- 5319 Lee Hwy
Arlington, VA 22207-1607 - Phone
- (703) 359-9555
- NPI assigned
- Dec 16, 2005
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 0904002203 | VA | Primary |
Addresses
Primary practice location
5319 Lee Hwy
Arlington, VA 22207-1607
Mailing address
305 Riley St
Falls Church, VA 22046-3311
Phone (703) 359-9555
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| B406 0001 | Other | VA | BLUE CROSS BLUE SHIELD |
| 126593 | Other | VA | VALUE OPTIONS |
| 5765099 | Other | VA | AETNA |
| 547750 | Other | VA | MAGELLAN BEHAV.HEALTH |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Jan 1, 2026 through Jan 1, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0904002203 | VA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1134691200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1538145032",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "305 RILEY ST",
"city": "FALLS CHURCH",
"state": "VA",
"postal_code": "220463311",
"telephone_number": "703-359-9555"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5319 LEE HWY",
"city": "ARLINGTON",
"state": "VA",
"postal_code": "222071607",
"telephone_number": "703-359-9555"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RAMBO",
"first_name": "KAREN",
"middle_name": "BOOK",
"name_prefix": "Ms.",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-12-16",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "VA",
"license": "0904002203",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "B406 0001",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "VALUE OPTIONS",
"identifier": "126593",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA",
"identifier": "5765099",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MAGELLAN BEHAV.HEALTH",
"identifier": "547750",
"state": "VA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Arlington, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.