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MELLANEY K WILLIAMS LCSW
NPI 1801530738
Social Worker - Clinical in Las Vegas, NV

Active since April 26, 2022PECOS EnrolledAccepts Medicare Assignment
2051 N TORREY PINES DR APT 2006, LAS VEGAS, NV 89108(307) 421-5703 Get Directions Write a Review

NPPES record last updated: April 26, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mellaney K Williams Lcsw NPPES

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

MELLANEY K WILLIAMS LCSW (NPI 1801530738) is an individual clinical provider in Las Vegas, Nevada, licensed in Nevada (9879-C) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of University Of Louisville School Of Medicine (2002).

NPPES Registry Identity

NPI1801530738
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELLANEY K WILLIAMSCredential: LCSW
Location Address2051 N TORREY PINES DR APT 2006Las Vegas, NV 89108-6538
Mailing Address2051 N Torrey Pines Dr Apt 2006Las Vegas, NV 89108-6538 · (307) 421-5703
Phone(307) 421-5703
Sole ProprietorYes
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2002
Enumeration DateApril 26, 2022
NPPES CertifiedApril 26, 2022
✔ NPI 1801530738 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 NV · 9879-C
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.
2051 N TORREY PINES DR APT 2006, Las Vegas, NV 89108
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mellaney K Williams Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082193123
PECOS Enrollment IDI20260209002551
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mellaney Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Changing Minds Psychiatry LLC
1.9 mi
Mental Health (Including Community Mental Health Center)
911 N BUFFALO DR UNIT 213
Las Vegas, NV 89128
  • Reassigned Medicare billing, Nevada enrollment
  • 66 clinicians in this Medicare group
NPI 1821537242 (702) 405-8088

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $57.07 – $173.24
Typical copayment $0.00 (range $14.26 – $43.31)
Most-billed visit code NA
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mellaney Williams's NPI number?

The NPI number for Mellaney Williams is 1801530738. It was assigned to this individual provider in the NPPES registry on April 26, 2022.

Where is Mellaney Williams located?

Mellaney Williams practices at 2051 N Torrey Pines Dr Apt 2006, Las Vegas, NV 89108. The listed phone number is (307) 421-5703.

What is Mellaney Williams's specialty?

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

Is Mellaney Williams enrolled in Medicare?

Yes. Mellaney Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mellaney Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mellaney Williams reassigns Medicare benefits to Changing Minds Psychiatry LLC (Las Vegas, NV). The 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 Mellaney Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mellaney Williams accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Mellaney Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mellaney Williams was last updated on April 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.