MS. CORLETTE VANESSA WILLIAMS
NPI 1457704777
Social Worker - Clinical in Oakland, CA

Q: What is Corlette Williams's NPI number?

The NPI number for Corlette Williams is 1457704777. It was assigned to this individual provider in the NPPES registry on July 21, 2016.

Q: What is Corlette Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Corlette Williams was last updated on October 25, 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.

Active since July 21, 2016PECOS Enrolled

7200 BANCROFT AVE STE 125A, OAKLAND, CA 94605(510) 777-3800(510) 777-3806 Get Directions Write a Review

NPPES record last updated: October 25, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 25, 2022, Aug 9, 2016 (2 updates tracked since 2016).

On this page

About Ms. Corlette Vanessa Williams NPPES

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

MS. CORLETTE VANESSA WILLIAMS (NPI 1457704777) is an individual clinical provider in Oakland, California, licensed in California (111210) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457704777

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameMS. CORLETTE VANESSA WILLIAMS

Location Address7200 BANCROFT AVE STE 125AOakland, CA 94605-2457

Mailing Address7200 Bancroft Ave Ste 125aOakland, CA 94605-2457 · (510) 777-3800 · Fax (510) 777-3806

Phone(510) 777-3800

Fax(510) 777-3806

Sole ProprietorNo

Enumeration DateJuly 21, 2016

Last NPPES UpdateOctober 25, 20222 updates tracked since enumeration

NPPES CertifiedOctober 25, 2022

✔ NPI 1457704777 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

License✔ Licensed in CA · 111210

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

7200 BANCROFT AVE STE 125A, Oakland, CA 94605

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Corlette Vanessa Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Corlette Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Alameda

Same address

Community/Behavioral Health

7200 BANCROFT AVE STE 202
Oakland, CA 94605

Reassigned Medicare billing, California enrollment
50 clinicians in this Medicare group

NPI 1164273553 (510) 777-3800

Grow Healthcare Group PC

34 mi

Mental Health

99 S ALMADEN BLVD STE 600
San Jose, CA 95113

Reassigned Medicare billing, California enrollment
3,139 clinicians in this Medicare group

NPI 1154994846 (408) 402-4385

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 94605 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 $69.00 – $202.35

Typical copayment $0.00 (range $17.25 – $50.58)

Most-billed visit code NA

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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 20

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

MR. JOHN REED SEIDEN MSW

Social Worker (Clinical)