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MR. WILLIAM JOHN TREZZA LISW-CP
NPI 1073524013
Social Worker - Clinical in Aiken, SC

Active since August 11, 2006PECOS Enrolled
215 BARNWELL AVE NW, AIKEN, SC 29801(803) 642-5480(803) 643-1800 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. William John Trezza Lisw-cp NPPES

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

MR. WILLIAM JOHN TREZZA LISW-CP (NPI 1073524013) is an individual clinical provider in Aiken, South Carolina, licensed in South Carolina (4190) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073524013
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM JOHN TREZZACredential: LISW-CP
Location Address215 BARNWELL AVE NWAiken, SC 29801-3903
Mailing Address215 Barnwell Ave NwAiken, SC 29801-3903 · (803) 642-5480 · Fax (803) 643-1800
Phone(803) 642-5480
Fax(803) 643-1800
Sole ProprietorYes
Enumeration DateAugust 11, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1073524013 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 SC · 4190
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.
215 BARNWELL AVE NW, Aiken, SC 29801
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Other Identifiers 2

MedicaidQM0382SC
Medicare ID-Type UnspecifiedQ315740281SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William John Trezza Lisw-cp 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29801 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 $53.57 – $163.84
Typical copayment $0.00 (range $13.39 – $40.96)
Most-billed visit code NA
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
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

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

DR. JOHN BENJAMIN BRADLEY PH.D.
Psychologist (Clinical)
215 BARNWELL AVE NW
AIKEN, SC 29801
Aiken County (803) 649-0089

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 Trezza's NPI number?

The NPI number for William Trezza is 1073524013. It was assigned to this individual provider in the NPPES registry on August 11, 2006.

Where is William Trezza located?

William Trezza practices at 215 Barnwell Ave NW, Aiken, SC 29801. The listed phone number is (803) 642-5480.

What is William Trezza's specialty?

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

Is William Trezza enrolled in Medicare?

Yes. William Trezza is registered in the Medicare PECOS enrollment system.

What insurance does William Trezza accept?

Health plans from Providence Health Plan list William Trezza 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 William Trezza was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.