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MRS. CATHERINE B GREWELL M.A. F-AAA
NPI 1063555324
Audiologist in Grove City, OH

Active since February 15, 2007
2226 STRINGTOWN RD, GROVE CITY, OH 43123(614) 871-5555(614) 871-5554 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Catherine B Grewell M.a. F-aaa NPPES

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

MRS. CATHERINE B GREWELL M.A. F-AAA (NPI 1063555324) is an individual audiologist in Grove City, Ohio, licensed in Ohio (A-00721) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1063555324
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameMRS. CATHERINE B GREWELLCredential: M.A. F-AAA
Location Address2226 STRINGTOWN RDGrove City, OH 43123-3926
Mailing Address2226 Stringtown RdGrove City, OH 43123-3926 · (614) 871-5555 · Fax (614) 871-5554
Phone(614) 871-5555
Fax(614) 871-5554
Sole ProprietorNo
Enumeration DateFebruary 15, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1063555324 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-00721
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.
2226 STRINGTOWN RD, Grove City, OH 43123
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual 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)

Mrs. Catherine B Grewell M.a. F-aaa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Audiology Services Company Usa, LLC
452 mi
Hearing and Speech
2501 COTTONTAIL LN
Somerset, NJ 08873
  • Reassigned Medicare billing, Ohio enrollment
  • 15 clinicians in this Medicare group
NPI 1033585302 (877) 857-7487

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

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

CLARITY HEARING & AUDIOLOGY, LTD.
Audiologist
2226 STRINGTOWN RD
GROVE CITY, OH 43123
Franklin County (614) 871-5555

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 Catherine Grewell's NPI number?

The NPI number for Catherine Grewell is 1063555324. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Where is Catherine Grewell located?

Catherine Grewell practices at 2226 Stringtown Rd, Grove City, OH 43123. The listed phone number is (614) 871-5555.

What is Catherine Grewell's specialty?

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

Is Catherine Grewell enrolled in Medicare?

Yes. Catherine Grewell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Grewell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Grewell reassigns Medicare benefits to Audiology Services Company Usa, LLC (Somerset, NJ). 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 Catherine Grewell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Grewell accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual, Molina Healthcare and Oscar Health Insurance and 4 other insurers list Catherine Grewell 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 Catherine Grewell was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.