David Trefry
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 1611 S Melrose Dr, Vista, CA 92081
- Practice phone
- Call (561) 478-8770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hearx West
Vista, California
Find David Trefry's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
David Trefry is a hearing instrument specialist in Vista, California
David Trefry practices at Hearx West in Vista, California.
David Trefry's NPI, 1730315557, was assigned on June 8, 2009. David Trefry holds California license HA7522.
- NPI
- 1730315557NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2009
- NPI status
- Active
- Practice phone
- (561) 478-8770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
David Trefry practices at Hearx West in Vista, California
David Trefry's primary practice is Hearx West, at 1611 S Melrose Dr, Vista, CA 92081 in San Diego County. The practice phone is (561) 478-8770.
- Hearx West1611 S Melrose Dr, Vista, CA 92081 · San Diego CountyPhone(561) 478-8770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David Trefry is affiliated with 1 site of care and 1 medical group
David Trefry's primary practice is Hearx West in Vista, California. The medical group on file is HearUSA.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Trefry's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Trefry practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hearx West | Available with a free account |
Source: Dmand AI Technology Install Data
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David Trefry is one of 65 hearing instrument specialists in California
Hearing instrument specialist is David Trefry's primary specialty in the NPI Registry, under taxonomy code 237700000X. David Trefry is licensed in California.
Specialties and state licenses
- Hearing instrument specialist, CaliforniaPrimary
Hearing instrument specialists near David Trefry
Counts of hearing instrument specialists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
David Trefry's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts David Trefry's median patient age at 75, with 54% women.
David Trefry's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Sources for David Trefry's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David Trefry
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Trefry's NPI number?
David Trefry's NPI number is 1730315557. It was assigned on June 8, 2009, and it is active in the NPI Registry.
What does David Trefry specialize in?
David Trefry is a hearing instrument specialist in Vista, California. The primary specialty in the NPI Registry is Hearing Instrument Specialist (taxonomy code 237700000X).
Where does David Trefry practice?
David Trefry practices at 1611 S Melrose Dr, Vista, CA 92081. David Trefry's primary practice is Hearx West in Vista, California.
What is David Trefry's office phone number?
The practice phone on file for David Trefry is (561) 478-8770.
What is David Trefry's medical license number?
David Trefry holds California license HA7522.
What medical group is David Trefry part of?
David Trefry is linked to HearUSA.
How long has David Trefry been practicing?
David Trefry's NPI was assigned in 2009.
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