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MICROTONE AUDIOLOGY, INC.
NPI 1992008320
Audiologist-Hearing Aid Fitter in Napa, CA

Active since December 07, 2010
3443 VILLA LN, SUITE 3, NAPA, CA 94558(707) 252-0990(707) 252-9077 Get Directions Write a Review

NPPES record last updated: May 1, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Microtone Audiology, Inc. NPPES

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

MICROTONE AUDIOLOGY, INC. (NPI 1992008320) is a healthcare organization registered as an audiologist-hearing aid fitter in Napa, California and active in the NPI registry since December 2010. The organization lists Joel David Duguay, Secretary, as its authorized official.

NPPES Registry Identity

NPI1992008320
Entity TypeOrganization
Primary Taxonomy237600000X
Legal Business NameMICROTONE AUDIOLOGY, INC.
Location Address3443 VILLA LN, SUITE 3Napa, CA 94558-6417
Mailing Address3443 Villa Ln, Suite 3Napa, CA 94558-6417 · (707) 252-0990 · Fax (707) 252-9077
Phone(707) 252-0990
Fax(707) 252-9077
Organization SubpartNo
Authorized OfficialJoel David DuguaySecretary · (707) 252-0990
Enumeration DateDecember 7, 2010
Last NPPES UpdateMay 1, 2015
✔ NPI 1992008320 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
Taxonomy Code237600000X
License✔ Licensed in CA · AU2299
Definition
An audiologist/hearing aid fitter is the professional who specializes in evaluating and treating people with hearing loss, conducts a wide variety of tests to determine the exact nature of an individual's hearing problem, presents a variety of treatment options to patients, dispenses and fits hearing aids, administers tests of balance to evaluate dizziness and provides hearing rehabilitation training. This classification should be used where individuals are licensed as audiologist-hearing aid fitters as opposed to states that license individuals as audiologists.
3443 VILLA LN, Napa, CA 94558
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Microtone Audiology, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Microtone Audiology, Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Analise Ilsley, AUD
Qualified Audiologist
NPI 1699664599
3443 VILLA LN STE 3
Napa, CA 94558
(707) 250-1903
✔ Accepts MedicareSame address
Brian Duguay, AUD
Qualified Audiologist
NPI 1558449561
3443 VILLA LN SUITE 3
Napa, CA 94558
(707) 252-0990
✔ Accepts MedicareSame address
Shridhar Kulkarni, AU
Qualified Audiologist
NPI 1215233275
1085 W EL CAMINO REAL
Sunnyvale, CA 94087
(408) 523-3910
✔ Accepts Medicare67 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Microtone Audiology, Inc.'s NPI number?

The NPI number for Microtone Audiology, Inc. is 1992008320. It was assigned to this organization in the NPPES registry on December 7, 2010.

Where is Microtone Audiology, Inc. located?

Microtone Audiology, Inc. is located at 3443 Villa Ln Suite 3, Napa, CA 94558. The listed phone number is (707) 252-0990.

What is Microtone Audiology, Inc.'s specialty?

The primary specialty registered for this NPI is Audiologist-Hearing Aid Fitter with taxonomy code 237600000X.

Is Microtone Audiology, Inc. enrolled in Medicare?

Yes. Microtone Audiology, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Microtone Audiology, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Qualified Audiologist, reassign their Medicare billing to Microtone Audiology, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Microtone Audiology, Inc. was last updated on May 1, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.