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

MR. WILLIAM NMI MELLO LCSW
NPI 1912946013
Social Worker - Clinical in Madison, WI

Active since June 05, 2006
6510 GRAND TETON PLZ, SUITE 406, MADISON, WI 53719(608) 833-9290(608) 833-9691 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. William Nmi Mello Lcsw NPPES

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

MR. WILLIAM NMI MELLO LCSW (NPI 1912946013) is an individual clinical provider in Madison, Wisconsin, licensed in Wisconsin (103-123) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1912946013
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM NMI MELLOCredential: LCSW
Location Address6510 GRAND TETON PLZ, SUITE 406Madison, WI 53719-1029
Mailing Address6510 Grand Teton Plz, Suite 406Madison, WI 53719-1029 · (608) 833-9290 · Fax (608) 833-9691
Fax(608) 833-9691
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1912946013 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 WI · 103-123
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.
6510 GRAND TETON PLZ, Madison, WI 53719

Other Identifiers 3

OtherW10120WI · John Deere Health
Other10540WI · Dean Health Plan
Medicaid39286400WI

Other Providers at the Same Location NPPES 10

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

Psychologist
6510 GRAND TETON PLZ, STE. 406
MADISON, WI 53719
Social Worker (Clinical)
6510 GRAND TETON PLZ, SUITE 406
MADISON, WI 53719
Counselor (Professional)
6510 GRAND TETON PLZ, SUITE 406
MADISON, WI 53719
Specialist
6510 GRAND TETON PLZ, SUITE 302
MADISON, WI 53719
Dentist
6510 GRAND TETON PLZ, 412
MADISON, WI 53719
Psychologist
6510 GRAND TETON PLZ, SUITE 406
MADISON, WI 53719
Psychologist
6510 GRAND TETON PLZ, SUITE 2
MADISON, WI 53719
Psychologist
6510 GRAND TETON PLZ, SUITE 406
MADISON, WI 53719

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 William Mello's NPI number?

The NPI number for William Mello is 1912946013. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is William Mello located?

William Mello practices at 6510 Grand Teton Plz Suite 406, Madison, WI 53719. The listed phone number is (608) 833-9290.

What is William Mello'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 William Mello 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 30 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.