DAVID TREFRY NPI 1730315557

NPI Information

  • NPI: 1730315557
  • Provider Name: DAVID TREFRY
  • Classification: Hearing Instrument Specialist - 237700000X
  • Entity Type: Individual
  • Address: 4171 OCEANSIDE BLVD
    STE 108
    OCEANSIDE, CA
    ZIP 92056
  • Phone: (760) 940-5237

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NPI Details

David Trefry is a hearing instrument specialist in Oceanside, CA. The provider is individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society David Trefry NPI is 1730315557. 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:

4171 OCEANSIDE BLVD
STE 108
OCEANSIDE, CA
ZIP 92056-023
Phone: (760) 940-5237
Fax: (760) 940-5265

The enumeration date for this NPI number is 6/8/2009 and was last updated on 4/4/2017.

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
1237700000XHearing Instrument SpecialistHA7522CALIFORNIAYes

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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