GREGORY KETTELHAKE AU.D.
NPI 1366824690
Audiologist in Auburn, CA

Active since June 23, 2015
11990 HERITAGE OAK PL STE 11, AUBURN, CA 95603(530) 823-7532 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gregory Kettelhake Au.d. NPPES

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

GREGORY KETTELHAKE AU.D. (NPI 1366824690) is an individual audiologist in Auburn, California, licensed in California (3058) and active in the NPI registry since June 2015.

NPPES Registry Identity

NPI1366824690
Entity TypeIndividualMale
Primary Taxonomy231H00000X
Provider Legal NameGREGORY KETTELHAKECredential: AU.D.
Location Address11990 HERITAGE OAK PL STE 11Auburn, CA 95603-2405
Mailing Address1850 Douglas Blvd Ste 992Roseville, CA 95661-3639
Sole ProprietorNo
Enumeration DateJune 23, 2015
Last NPPES UpdateJanuary 3, 2022
✔ NPI 1366824690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in CA · 3058
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.
11990 HERITAGE OAK PL STE 11, Auburn, CA 95603

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Kettelhake Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Gregory Kettelhake reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 2

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

Hearing Instrument Specialist
11990 HERITAGE OAK PL STE 11
AUBURN, CA 95603
Hearing Instrument Specialist
11990 HERITAGE OAK PL STE 11
AUBURN, CA 95603

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 Gregory Kettelhake's NPI number?

The NPI number for Gregory Kettelhake is 1366824690. It was assigned to this individual provider in the NPPES registry on June 23, 2015.

Where is Gregory Kettelhake located?

Gregory Kettelhake practices at 11990 Heritage Oak Pl Ste 11, Auburn, CA 95603. The listed phone number is (530) 823-7532.

What is Gregory Kettelhake's specialty?

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

Is Gregory Kettelhake enrolled in Medicare?

Yes. Gregory Kettelhake is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Kettelhake's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Kettelhake reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Gregory Kettelhake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Kettelhake was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.