Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MELISSA J.P. NI LCSW
NPI 1699633537
Social Worker - Clinical in Chantilly, VA

Active since January 12, 2026
4229 LAFAYETTE CENTER DR STE 1200, CHANTILLY, VA 20151(240) 621-2730 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Melissa J.p. Ni Lcsw NPPES

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

MELISSA J.P. NI LCSW (NPI 1699633537) is an individual clinical provider in Chantilly, Virginia, licensed in Virginia (0904005957) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1699633537
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELISSA J.P. NICredential: LCSW
Location Address4229 LAFAYETTE CENTER DR STE 1200Chantilly, VA 20151-1265
Mailing Address2528 Drexel StVienna, VA 22180-6905 · (703) 608-0379
Sole ProprietorYes
Enumeration DateJanuary 12, 2026
Last NPPES UpdateJuly 27, 2026
NPPES CertifiedJuly 27, 2026
NPI 1699633537 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 · 0904005957
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.
4229 LAFAYETTE CENTER DR STE 1200, Chantilly, VA 20151

Other Providers at the Same Location NPPES 11

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

Marriage & Family Therapist
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Counselor (Mental Health)
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Social Worker (Clinical)
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Counselor (Professional)
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Community/Behavioral Health
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Social Worker (Clinical)
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Counselor (Professional)
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151
Counselor (Professional)
4229 LAFAYETTE CENTER DR STE 1200
CHANTILLY, VA 20151

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 Melissa Ni's NPI number?

The NPI number for Melissa Ni is 1699633537. It was assigned to this individual provider in the NPPES registry on January 12, 2026.

Where is Melissa Ni located?

Melissa Ni practices at 4229 Lafayette Center Dr Ste 1200, Chantilly, VA 20151. The listed phone number is (240) 621-2730.

What is Melissa Ni's specialty?

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

When was this NPI record last updated?

The NPPES record for Melissa Ni was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.