Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TANNEH SWEN WILLIAMS APRN
NPI 1689210254
Nurse Practitioner in Washington, DC

Active since November 19, 2019
6323 GEORGIA AVE NW STE 350, WASHINGTON, DC 20011(202) 506-1209 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 18, 2026, Aug 13, 2026, Nov 19, 2019 (3 updates tracked since 2019).

About Tanneh Swen Williams Aprn NPPES

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

TANNEH SWEN WILLIAMS APRN (NPI 1689210254) is an individual nurse practitioner in Washington, District Of Columbia, licensed in Maryland (R215921) and active in the NPI registry since November 2019.

NPPES Registry Identity

NPI1689210254
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameTANNEH SWEN WILLIAMSCredential: APRN
Location Address6323 GEORGIA AVE NW STE 350Washington, DC 20011-1151
Mailing Address2659 Richmond WayHanover, MD 21076-1092 · (888) 408-7008
Sole ProprietorYes
Enumeration DateNovember 19, 2019
Last NPPES UpdateAugust 18, 20263 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
NPI 1689210254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in MD · R215921
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN1037486 (DC)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License R215921 (MD)
6323 GEORGIA AVE NW STE 350, Washington, DC 20011

Other Names 1

Former Name (1)Tanneh Martha Swen

Other Providers at the Same Location NPPES 12

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

Social Worker
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Counselor (Mental Health)
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Home Health Aide
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Case Manager/Care Coordinator
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Case Manager/Care Coordinator
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Home Health Aide
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Home Health
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011
Case Manager/Care Coordinator
6323 GEORGIA AVE NW STE 350
WASHINGTON, DC 20011

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 Tanneh Williams's NPI number?

The NPI number for Tanneh Williams is 1689210254. It was assigned to this individual provider in the NPPES registry on November 19, 2019. The provider is also known as Tanneh Martha Swen.

Where is Tanneh Williams located?

Tanneh Williams practices at 6323 Georgia Ave NW Ste 350, Washington, DC 20011. The listed phone number is (202) 506-1209.

What is Tanneh Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Tanneh Williams was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.