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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

MARK B WILLIAMS
NPI 1184541849
Hearing Instrument Specialist in Chillicothe, OH

Active since July 02, 2026
1270 N BRIDGE ST, CHILLICOTHE, OH 45601(740) 779-6728 Get Directions Write a Review

NPPES record added: July 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark B Williams NPPES

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

MARK B WILLIAMS (NPI 1184541849) is an individual hearing instrument specialist in Chillicothe, Ohio, licensed in Ohio (IL.03404) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1184541849
Entity TypeIndividualMale
Primary Taxonomy237700000X
Provider Legal NameMARK B WILLIAMS
Location Address1270 N BRIDGE STChillicothe, OH 45601-1852
Mailing Address559 Orange StChillicothe, OH 45601-1430 · (740) 779-6728
Phone(740) 779-6728
Sole ProprietorYes
Enumeration DateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1184541849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Taxonomy Code237700000X
License✔ Licensed in OH · IL.03404
Definition

Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

1270 N BRIDGE ST, Chillicothe, OH 45601
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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

Other Providers at the Same Location NPPES 5

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

DR. WAYNE MATTHEW YOUNG OPTOMETRY
Optometrist
1270 N BRIDGE ST
CHILLICOTHE, OH 45601
Ross County (614) 779-6724
LINZEY GALLION PHARM.D.
Pharmacist
1270 N BRIDGE ST
CHILLICOTHE, OH 45601
Ross County (740) 779-6716
MELANIE LOFTUS PHARM.D., RPH
Pharmacist
1270 N BRIDGE ST
CHILLICOTHE, OH 45601
Ross County (740) 779-6716
SAMS EAST INC
Pharmacy (Community/Retail Pharmacy)
1270 N BRIDGE ST
CHILLICOTHE, OH 45601
Ross County (740) 779-6716
DR. RICHARD LYNN HERMANN O.D.
Optometrist
1270 N BRIDGE ST
CHILLICOTHE, OH 45601
Ross County (740) 779-6724

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 Mark Williams's NPI number?

The NPI number for Mark Williams is 1184541849. It was assigned to this individual provider in the NPPES registry on July 2, 2026.

Where is Mark Williams located?

Mark Williams practices at 1270 N Bridge St, Chillicothe, OH 45601. The listed phone number is (740) 779-6728.

What is Mark Williams's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

When was this NPI record last updated?

The NPPES record for Mark Williams was last updated on July 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.