M K LARSON AUDIOLOGY INC
NPI 1669019121
Audiologist in San Luis Obispo, CA

Q: What is M K Larson Audiology Inc's NPI number?

The NPI number for M K Larson Audiology Inc is 1669019121. It was assigned to this organization in the NPPES registry on December 4, 2019.

Q: What is M K Larson Audiology Inc's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Active since December 04, 2019

1545 HIGUERA ST, SAN LUIS OBISPO, CA 93401(805) 242-4487(805) 697-0936 Get Directions Write a Review

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

Record update history: Sep 1, 2026, Mar 2, 2026, Dec 4, 2019 (3 updates tracked since 2019).

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About M K Larson Audiology Inc NPPES

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

M K LARSON AUDIOLOGY INC (NPI 1669019121) is a healthcare organization registered as an audiologist in San Luis Obispo, California and active in the NPI registry since December 2019. The organization lists Megan K Larson, Ceo, as its authorized official.

NPPES Registry Identity

NPI1669019121

Entity TypeOrganization

Primary Taxonomy231H00000X

Legal Business NameM K LARSON AUDIOLOGY INC

Location Address1545 HIGUERA STSan Luis Obispo, CA 93401-2917

Mailing Address1545 Higuera StSan Luis Obispo, CA 93401-2917 · (805) 242-4487 · Fax (805) 697-0936

Phone(805) 242-4487

Fax(805) 697-0936

Organization SubpartNo

Authorized OfficialMegan K LarsonCeo · (805) 242-4487

Enumeration DateDecember 4, 2019

Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 1, 2026

✔ NPI 1669019121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

Definition

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

1545 HIGUERA ST, San Luis Obispo, CA 93401

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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)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to M K Larson 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 (2)

Malia Henderson, AUD

Otolaryngology

NPI 1790557304

1545 HIGUERA ST
San Luis Obispo, CA 93401

(805) 242-4487

✔ PECOS✔ Accepts MedicareSame address

Megan Larson, A.U.D

Qualified Audiologist

NPI 1659820124

1545 HIGUERA ST
San Luis Obispo, CA 93401

(805) 242-4487

✔ Accepts MedicareSame address

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 M K Larson Audiology Inc's NPI number?

The NPI number for M K Larson Audiology Inc is 1669019121. It was assigned to this organization in the NPPES registry on December 4, 2019.

Where is M K Larson Audiology Inc located?

M K Larson Audiology Inc is located at 1545 Higuera St, San Luis Obispo, CA 93401. The listed phone number is (805) 242-4487.

What is M K Larson Audiology Inc's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is M K Larson Audiology Inc enrolled in Medicare?

Yes. M K Larson Audiology Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through M K Larson Audiology Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to M K Larson Audiology Inc, in Otolaryngology and Qualified Audiologist. 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 M K Larson Audiology Inc was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days 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.