Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. STEPHEN RICHARD RIZZO JR. PH.D.
NPI 1780621482
Audiologist in Chillicothe, OH

Q: What is Stephen Rizzo's NPI number?

The NPI number for Stephen Rizzo is 1780621482. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Q: What is Stephen Rizzo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Rizzo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.

Active since June 01, 2006

17273 STATE RT. 104, CHILLICOTHE, OH 45601(740) 773-1141(740) 779-5506 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About Dr. Stephen Richard Rizzo Jr. Ph.d. NPPES

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

DR. STEPHEN RICHARD RIZZO JR. PH.D. (NPI 1780621482) is an individual audiologist in Chillicothe, Ohio, licensed in Ohio (A01205) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1780621482

Entity TypeIndividualMale

Primary Taxonomy231H00000X

Provider Legal NameDR. STEPHEN RICHARD RIZZO JR.Credential: PH.D.

Location Address17273 STATE RT. 104Chillicothe, OH 45601-0999

Mailing AddressPo Box 1818Chillicothe, OH 45601-5818 · (740) 773-1141 · Fax (740) 779-5506

Phone(740) 773-1141

Fax(740) 779-5506

Sole ProprietorNo

Enumeration DateJune 1, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1780621482 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 · A01205

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.

17273 STATE RT. 104, Chillicothe, OH 45601

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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 Stephen Rizzo's NPI number?

The NPI number for Stephen Rizzo is 1780621482. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is Stephen Rizzo located?

Stephen Rizzo practices at 17273 State Rt. 104, Chillicothe, OH 45601. The listed phone number is (740) 773-1141.

What is Stephen Rizzo's specialty?

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

When was this NPI record last updated?

The NPPES record for Stephen Rizzo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.