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MS. KAREN BOOK RAMBO LCSW
NPI 1538145032
Social Worker - Clinical in Arlington, VA

Active since December 16, 2005Opted out of Medicare · through Jan 1, 2028
5319 LEE HWY, ARLINGTON, VA 22207(703) 359-9555 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Ms. Karen Book Rambo Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KAREN BOOK RAMBO LCSW (NPI 1538145032) is an individual clinical provider in Arlington, Virginia, licensed in Virginia (0904002203) and active in the NPI registry since December 2005. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1538145032
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. KAREN BOOK RAMBOCredential: LCSW
Location Address5319 LEE HWYArlington, VA 22207-1607
Mailing Address305 Riley StFalls Church, VA 22046-3311 · (703) 359-9555
Phone(703) 359-9555
Sole ProprietorNo
Enumeration DateDecember 16, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1538145032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in VA · 0904002203
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
5319 LEE HWY, Arlington, VA 22207
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Other Identifiers 4

OtherB406 0001VA · Blue Cross Blue Shield
Other126593VA · Value Options
Other5765099VA · Aetna
Other547750VA · Magellan Behav.health

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Karen Book Rambo Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2026 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2026
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. PHYLLIS BETH KOHLMANN LPC
Counselor (Addiction (Substance Use Disorder))
5319 LEE HWY
ARLINGTON, VA 22207
Arlington County (703) 532-7954
DR. ANNE S MCKNIGHT LCSW, ED.D.
Social Worker (Clinical)
5319 LEE HWY
ARLINGTON, VA 22207
Arlington County (703) 241-9172
MR. FRANCISCO JAVIER GIL L.C.S.W
Social Worker (Clinical)
5319 LEE HWY
ARLINGTON, VA 22207
Arlington County (703) 873-9344
MARILYN STICKLE LCSW
Specialist
5319 LEE HWY
ARLINGTON, VA 22207
Arlington County (703) 533-1038
MS. NANCY WILSON NOLLEN LCSW
Social Worker (Clinical)
5319 LEE HWY
ARLINGTON, VA 22207
Arlington County (703) 536-6090
MS. LESLIE JOY WEISMAN LCSW
Social Worker (Clinical)
5319 LEE HWY
ARLINGTON, VA 22207
Arlington County (703) 385-4278

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Rambo's NPI number?

The NPI number for Karen Rambo is 1538145032. It was assigned to this individual provider in the NPPES registry on December 16, 2005.

Where is Karen Rambo located?

Karen Rambo practices at 5319 Lee Hwy, Arlington, VA 22207. The listed phone number is (703) 359-9555.

What is Karen Rambo's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Karen Rambo enrolled in Medicare?

No. Karen Rambo has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Karen Rambo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.