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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ALEXANDRA SLATKIN LGSW, LMSW
NPI 1548171325
Social Worker in Washington, DC

Active since September 14, 2026
3400 MARTIN LUTHER KING JR AVE SE STE 300, WASHINGTON, DC 20032(202) 724-7666 Get Directions Write a Review

NPPES record added: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Alexandra Slatkin Lgsw, Lmsw NPPES

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

ALEXANDRA SLATKIN LGSW, LMSW (NPI 1548171325) is an individual social worker in Washington, District Of Columbia, licensed in District Of Columbia (LG200004765) and active in the NPI registry since September 2026. She maintains a secondary practice location in Arlington.

NPPES Registry Identity

NPI1548171325
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameALEXANDRA SLATKINCredential: LGSW, LMSW
Location Address3400 MARTIN LUTHER KING JR AVE SE STE 300Washington, DC 20032-1542
Mailing Address900 N Stuart St Apt 2122Arlington, VA 22203-4115
Phone(202) 724-7666
Sole ProprietorNo
Enumeration DateSeptember 14, 2026
NPPES CertifiedSeptember 14, 2026
✔ NPI 1548171325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in DC · LG200004765✔ Licensed in VA · 0903005012
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
3400 MARTIN LUTHER KING JR AVE SE STE 300, Washington, DC 20032
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Secondary Practice Location 1

Location 1900 N Stuart St Apt 2122Arlington, VA 22203-4115 · Phone (571) 228-8643

Other Providers at the Same Location NPPES 17

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

ERIN ELIZABETH GOULD
Social Worker (Clinical)
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 724-7666
BROOKLYN BEELER
Counselor (Professional)
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (661) 713-8681
ASHLEY CLAIRE TUTTLE
Social Worker
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 655-2154
SHATIYA LANAY JONES
Counselor (Mental Health)
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 724-7666
MR. MICHAEL STONE ARNOLD II
Student in an Organized Health Care Education/Training Program
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 724-7666
KARLA RODRIGUEZ
Case Manager/Care Coordinator
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 724-7666
MR. EARNST ILANG-ILANG II LICSW
Social Worker (Clinical)
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 724-7666
PAVING THE WAY MULTI SERVICE INSTITUTE
Community/Behavioral Health
3400 MARTIN LUTHER KING JR AVE SE STE 300
WASHINGTON, DC 20032
District of Columbia (202) 724-7666

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 Alexandra Slatkin's NPI number?

The NPI number for Alexandra Slatkin is 1548171325. It was assigned to this individual provider in the NPPES registry on September 14, 2026.

Where is Alexandra Slatkin located?

Alexandra Slatkin practices at 3400 Martin Luther King Jr Ave SE Ste 300, Washington, DC 20032. The listed phone number is (202) 724-7666.

What is Alexandra Slatkin's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Alexandra Slatkin was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.