MS. JUDITH ANN WILLIAMS MSW
NPI 1336347145
Social Worker - Clinical in Corte Madera, CA

Active since July 03, 2007PECOS EnrolledAccepts Medicare Assignment
2 FIFER AVE, STE.200, CORTE MADERA, CA 94925(415) 927-6693(707) 869-3563 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Judith Ann Williams Msw NPPES

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

MS. JUDITH ANN WILLIAMS MSW (NPI 1336347145) is an individual clinical provider in Corte Madera, California, licensed in California (LCS13212) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1336347145
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. JUDITH ANN WILLIAMSCredential: MSW
Location Address2 FIFER AVE, STE.200Corte Madera, CA 94925-1134
Mailing Address2 Fifer Ave., Ste.200Corte Madera, CA 94925-1744 · (415) 927-6693 · Fax (707) 869-3563
Fax(707) 869-3563
Sole ProprietorYes
Medical School CMSOtherGraduated 1985
Enumeration DateJuly 3, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1336347145 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 CA · LCS13212
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.

2 FIFER AVE, Corte Madera, CA 94925

Other Identifiers 2

MedicaidCSW13212.0CA
Medicare ID-Type UnspecifiedZZZ37911ZCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Judith Ann Williams Msw 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 ID6204082100
PECOS Enrollment IDI20120808000804
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94925 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 $69.07 – $202.63
Typical copayment $0.00 (range $17.26 – $50.65)
Most-billed visit code NA
Established Patient
$85.00 typical visit price
range $23.44 – $166.64
Typical copayment $21.25 (range $5.86 – $41.66)
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.

Other Providers at the Same Location NPPES 9

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

Marriage & Family Therapist
2 FIFER AVE, SUITE 240
CORTE MADERA, CA 94925
Psychologist (Clinical)
2 FIFER AVE, SUITE 200
CORTE MADERA, CA 94925
Pediatrics (Developmental - Behavioral Pediatrics)
2 FIFER AVE, SUITE 200
CORTE MADERA, CA 94925
Psychologist (Clinical)
2 FIFER AVE, SUITE 200
CORTE MADERA, CA 94925
Pediatrics (Developmental - Behavioral Pediatrics)
2 FIFER AVE, SUITE 200
CORTE MADERA, CA 94925
Clinic/Center (Occupational Medicine)
2 FIFER AVE, SUITE 130
CORTE MADERA, CA 94925
Psychologist (Clinical)
2 FIFER AVE, SUITE 200
CORTE MADERA, CA 94925
Psychiatry & Neurology (Psychiatry)
2 FIFER AVE, SUITE 200
CORTE MADERA, CA 94925

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 Judith Williams's NPI number?

The NPI number for Judith Williams is 1336347145. It was assigned to this individual provider in the NPPES registry on July 3, 2007.

Where is Judith Williams located?

Judith Williams practices at 2 Fifer Ave Ste.200, Corte Madera, CA 94925. The listed phone number is (415) 927-6693.

What is Judith Williams's specialty?

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

Is Judith Williams enrolled in Medicare?

Yes. Judith 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.

When was this NPI record last updated?

The NPPES record for Judith Williams was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.