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NANCY WILLIAMS LCSW,LCADC
NPI 1225561699
Social Worker - Clinical in Butler, NJ

Active since April 04, 2017PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
188 KIEL AVE, BUTLER, NJ 07405(201) 906-2229 Get Directions Write a Review

NPPES record last updated: October 14, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nancy Williams Lcsw,lcadc NPPES

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

NANCY WILLIAMS LCSW,LCADC (NPI 1225561699) is an individual clinical provider in Butler, New Jersey, licensed in New Jersey (44SC05727700) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Highland Lakes, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1225561699
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameNANCY WILLIAMSCredential: LCSW,LCADC
Location Address188 KIEL AVEButler, NJ 07405-1639
Mailing AddressPo Box 187Highland Lakes, NJ 07422-0187 · (732) 207-1317
Phone(201) 906-2229
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateApril 4, 2017
Last NPPES UpdateOctober 14, 2020
NPPES CertifiedOctober 14, 2020
✔ NPI 1225561699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in NJ · 44SC05727700✔ Licensed in NJ · 44SC0727700
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 ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X
188 KIEL AVE, Butler, NJ 07405
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Secondary Practice Location 1

Location 1655 Canistear RdHighland Lakes, NJ 07422-2088 · Phone (732) 207-1317

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

Nancy Williams Lcsw,lcadc 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 ID941688493
PECOS Enrollment IDI20220613000276
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 Nancy Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Senior Care Therapy LLC
15 mi
Clinical
85 CRESCENT AVE
Passaic, NJ 07055
  • Reassigned Medicare billing, New Jersey enrollment
  • 319 clinicians in this Medicare group
NPI 1285898098 (973) 264-0023

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
1,009 services93 patients
Family psychotherapy without patient, 50 minutes 90846
Family psychotherapy without the patient is a 50-minute session where a therapist talks with family members to understand and resolve issues impacting the family dynamic. The patient is not present, allowing the family to freely discuss concerns and develop strategies for improvement.
179 services37 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
71 services56 patients
Family psychotherapy with patient, 50 minutes 90847
Family psychotherapy is a 50-minute session where a therapist helps the patient and their family understand and manage mental health issues. It's a collaborative process that aims to improve communication, solve family problems, understand and handle special family situations, and create a better functioning home environment.
37 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07405 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 $63.84 – $190.92
Typical copayment $0.00 (range $15.96 – $47.73)
Most-billed visit code NA
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.54
Improvement Activities40

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 Nancy Williams's NPI number?

The NPI number for Nancy Williams is 1225561699. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Nancy Williams located?

Nancy Williams practices at 188 Kiel Ave, Butler, NJ 07405. The listed phone number is (201) 906-2229.

What is Nancy Williams's specialty?

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

Is Nancy Williams enrolled in Medicare?

Yes. Nancy 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 Nancy Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Williams reassigns Medicare benefits to Senior Care Therapy LLC (Passaic, NJ). 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 Nancy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nancy Williams was last updated on October 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.