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NUWEIGHTS
NPI 1720355241
Social Worker - Clinical in Alexandria, VA

Active since November 29, 2011
3331 DUKE STREET, ALEXANDRIA, VA 22314(703) 552-2722 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 10, 2026, Sep 11, 2019 (2 updates tracked since 2019).

About Nuweights NPPES

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

NUWEIGHTS (NPI 1720355241), doing business as Washington Nutrition Group, is a healthcare organization registered as a clinical in Alexandria, Virginia and active in the NPI registry since November 2011. The organization lists Christine Haas, Ceo/owner, as its authorized official.

NPPES Registry Identity

NPI1720355241
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameNUWEIGHTS
Location Address3331 DUKE STREETAlexandria, VA 22314
Mailing AddressP.o. Box 1833Ashburn, VA 20146-1833 · (703) 552-2722
Phone(703) 552-2722
Organization SubpartNo
Authorized OfficialChristine HaasCeo/owner · (571) 241-7000
Enumeration DateNovember 29, 2011
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1720355241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
Also ListedNutritionistTaxonomy 133N00000X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
3331 DUKE STREET, Alexandria, VA 22314
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Other Names 1

Doing Business AsWashington Nutrition Group

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nuweights is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateDistrict of ColumbiaEnrollment IDO20130828000831Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Nuweights, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kelly Mcguffin, RD
Registered Dietitian or Nutrition Professional
NPI 1295820553
3903 FAIR RIDGE DR STE 209
Fairfax, VA 22033
(703) 424-9676
16 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Nuweights's NPI number?

The NPI number for Nuweights is 1720355241. It was assigned to this organization in the NPPES registry on November 29, 2011. The provider is doing business as Washington Nutrition Group.

Where is Nuweights located?

Nuweights is located at 3331 Duke Street, Alexandria, VA 22314. The listed phone number is (703) 552-2722.

What is Nuweights's specialty?

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

Is Nuweights enrolled in Medicare?

Yes. Nuweights is registered in the Medicare PECOS enrollment system.

When is Nuweights's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (District of Columbia, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Nuweights?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Registered Dietitian or Nutrition Professional) reassigns their Medicare billing to Nuweights. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Nuweights was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.