DR. CYNTHIA ANN SONNENBERG AU.D.
NPI 1801846050
Audiologist in Napoleon, OH

Q: What is Cynthia Sonnenberg's NPI number?

The NPI number for Cynthia Sonnenberg is 1801846050. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Cynthia Sonnenberg's specialty?

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

Active since May 10, 2006

1411 SCOTT ST, SUITE B, NAPOLEON, OH 43545(419) 592-0338(419) 592-0255 Get Directions Write a Review

NPPES record last updated: December 18, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Cynthia Ann Sonnenberg Au.d. NPPES

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

DR. CYNTHIA ANN SONNENBERG AU.D. (NPI 1801846050) is an individual audiologist in Napoleon, Ohio, licensed in Ohio (A-01161) and active in the NPI registry since May 2006. She is a graduate of Other (2006).

NPPES Registry Identity

NPI1801846050

Entity TypeIndividualFemale

Primary Taxonomy231H00000X

Provider Legal NameDR. CYNTHIA ANN SONNENBERGCredential: AU.D.

Location Address1411 SCOTT ST, SUITE BNapoleon, OH 43545-1025

Mailing Address423 State Route 224Ottawa, OH 45875-9229

Phone(419) 592-0338

Fax(419) 592-0255

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateMay 10, 2006

Last NPPES UpdateDecember 18, 2012

✔ NPI 1801846050 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 OH · A-01161

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.

1411 SCOTT ST, Napoleon, OH 43545

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cynthia Ann Sonnenberg Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3375681422

PECOS Enrollment IDI20091110000282

Medicare Billing Reassignment

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

Cynthia Sonnenberg Inc

0.1 mi

Audiologist

1330 SCOTT ST STE A
Napoleon, OH 43545

Reassigned Medicare billing, Ohio enrollment

NPI 1871998708 (419) 592-0338

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

38 services37 patients

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

36 services35 patients

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 Cynthia Sonnenberg's NPI number?

The NPI number for Cynthia Sonnenberg is 1801846050. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Cynthia Sonnenberg located?

Cynthia Sonnenberg practices at 1411 Scott St Suite B, Napoleon, OH 43545. The listed phone number is (419) 592-0338.

What is Cynthia Sonnenberg's specialty?

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

Is Cynthia Sonnenberg enrolled in Medicare?

Yes. Cynthia Sonnenberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cynthia Sonnenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Sonnenberg reassigns Medicare benefits to Cynthia Sonnenberg Inc (Napoleon, OH). 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 Cynthia Sonnenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cynthia Sonnenberg accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Molina Healthcare and 2 other insurers list Cynthia Sonnenberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cynthia Sonnenberg was last updated on December 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.