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DAVID TREFRY
NPI 1730315557
Hearing Instrument Specialist in Oceanside, CA

Active since June 08, 2009
4171 OCEANSIDE BLVD, STE 108, OCEANSIDE, CA 92056(760) 940-5237(760) 940-5265 Get Directions Write a Review

NPPES record last updated: April 4, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About David Trefry NPPES

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

DAVID TREFRY (NPI 1730315557) is an individual hearing instrument specialist in Oceanside, California, licensed in California (HA7522) and active in the NPI registry since June 2009.

NPPES Registry Identity

NPI1730315557
Entity TypeIndividualMale
Primary Taxonomy237700000X
Provider Legal NameDAVID TREFRY
Location Address4171 OCEANSIDE BLVD, STE 108Oceanside, CA 92056-6023
Mailing Address4171 Oceanside Blvd, Ste 108Oceanside, CA 92056-6023 · (760) 940-5237 · Fax (760) 940-5265
Phone(760) 940-5237
Fax(760) 940-5265
Sole ProprietorNo
Enumeration DateJune 8, 2009
Last NPPES UpdateApril 4, 2017
✔ NPI 1730315557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Taxonomy Code237700000X
License✔ Licensed in CA · HA7522
Definition
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
4171 OCEANSIDE BLVD, Oceanside, CA 92056
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Other Providers at the Same Location NPPES

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

GORDON S. APPELBAUM M.D.
Emergency Medicine
4171 OCEANSIDE BLVD
OCEANSIDE, CA 92056
San Diego County (760) 216-6253

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 David Trefry's NPI number?

The NPI number for David Trefry is 1730315557. It was assigned to this individual provider in the NPPES registry on June 8, 2009.

Where is David Trefry located?

David Trefry practices at 4171 Oceanside Blvd Ste 108, Oceanside, CA 92056. The listed phone number is (760) 940-5237.

What is David Trefry's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

When was this NPI record last updated?

The NPPES record for David Trefry was last updated on April 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.