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GWYNETH DREYER DINEHART
NPI 1154937175
Speech-Language Pathologist in Westerville, OH

Active since September 16, 2020
6015 E WALNUT ST, WESTERVILLE, OH 43081(800) 892-0640 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 23, 2026, Sep 16, 2020 (2 updates tracked since 2020).

About Gwyneth Dreyer Dinehart NPPES

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

GWYNETH DREYER DINEHART (NPI 1154937175) is an individual speech-language pathologist provider in Westerville, Ohio and active in the NPI registry since September 2020. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1154937175
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameGWYNETH DREYER DINEHART
Location Address6015 E WALNUT STWesterville, OH 43081-9620
Mailing Address6015 E Walnut StWesterville, OH 43081-9620 · (800) 892-0640
Phone(800) 892-0640
Sole ProprietorYes
Enumeration DateSeptember 16, 2020
Last NPPES UpdateApril 23, 20262 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1154937175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
6015 E WALNUT ST, Westerville, OH 43081
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Secondary Practice Locations 2

Location 1494 W Central AveDelaware, OH 43015-1470 · Phone (740) 369-3650 · Fax (740) 369-0812
Location 23940 N Hampton DrPowell, OH 43065-8442 · Phone (614) 789-4473 · Fax (740) 369-0812

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

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 ›

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.

KIMBERLY DOETZER SPRADLIN MS/CCC-SLP
Speech-Language Pathologist
6015 E WALNUT ST
WESTERVILLE, OH 43081
Franklin County (614) 775-0615
CORNERSTONE ACADEMY
Local Education Agency (LEA)
6015 E WALNUT ST
WESTERVILLE, OH 43081
Franklin County (614) 775-0615

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 Gwyneth Dreyer Dinehart's NPI number?

The NPI number for Gwyneth Dreyer Dinehart is 1154937175. It was assigned to this individual provider in the NPPES registry on September 16, 2020.

Where is Gwyneth Dreyer Dinehart located?

Gwyneth Dreyer Dinehart practices at 6015 E Walnut St, Westerville, OH 43081. The listed phone number is (800) 892-0640.

What is Gwyneth Dreyer Dinehart's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

What insurance does Gwyneth Dreyer Dinehart accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and MedMutual and 2 other insurers list Gwyneth Dreyer Dinehart 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 Gwyneth Dreyer Dinehart was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.