DECIBEL HEARING SERVICES
NPI 1932400538
Audiologist in Simi Valley, CA
About Decibel Hearing Services NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DECIBEL HEARING SERVICES (NPI 1932400538) is a healthcare organization registered as an audiologist in Simi Valley, California and active in the NPI registry since November 2010. The organization lists Ellen Blair Baker, Owner/audiologist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Decibel Hearing Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Decibel Hearing Services, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Decibel Hearing Services's NPI number?
The NPI number for Decibel Hearing Services is 1932400538. It was assigned to this organization in the NPPES registry on November 12, 2010.
Where is Decibel Hearing Services located?
Decibel Hearing Services is located at 2655 1st St Ste 170, Simi Valley, CA 93065. The listed phone number is (805) 584-3327.
What is Decibel Hearing Services's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Decibel Hearing Services enrolled in Medicare?
Yes. Decibel Hearing Services is registered in the Medicare PECOS enrollment system.
When is Decibel Hearing Services's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Decibel Hearing Services?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Qualified Audiologist, reassign their Medicare billing to Decibel Hearing Services. 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 Decibel Hearing Services was last updated on August 3, 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.
# Decibel Hearing Services · NPI 1932400538
Audiologist organization in Simi Valley, California. Organization record, active in the CMS NPPES registry since November 12, 2010.
## Identity
- **NPI:** 1932400538 (Entity type: Organization)
- **Enumerated:** November 12, 2010
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **Organization subpart:** No
- **Authorized official:** Ellen Baker, OWNER/AUDIOLOGIST
## Practice location
- **Address:** 2655 1ST ST STE 170, Simi Valley, CA 93065-1565
- **Phone:** (805) 584-3327 · **Fax:** (805) 584-3329
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians (Qualified Audiologist) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 3, 2015
- **Other identifiers:** Medicare PIN EU884A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1932400538) · Data from the CMS NPPES public registry.