MR. WILLIAM JOHN TREZZA LISW-CP NPI 1073524013

NPI Information

  • NPI: 1073524013
  • Provider Name: MR. WILLIAM JOHN TREZZA, LISW-CP
  • Classification: Social Worker - 1041C0700X
  • Specialization: Clinical
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 215 BARNWELL AVE NW
    AIKEN, SC
    ZIP 29801
  • Phone: (803) 642-5480

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NPI Details

MR. William John Trezza, LISW-CP is a clinical social worker in Aiken, SC. The provider is 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. MR. William John Trezza, LISW-CP NPI is 1073524013. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

215 BARNWELL AVE NW
AIKEN, SC
ZIP 29801-903
Phone: (803) 642-5480
Fax: (803) 643-1800

The NPI 1073524013 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS).

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Psychotherapy, 45 minutes (HCPCS:90834)

The enumeration date for this NPI number is 8/11/2006 and was last updated on 7/8/2007.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
11041C0700XSocial WorkerClinical4190SOUTH CAROLINAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1QM0382MEDICAIDSOUTH CAROLINA
2Q315740281MEDICARE ID-TYPE UNSPECIFIEDSOUTH CAROLINA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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