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

DR. WILLIAM LEROY KNOP III DC
NPI 1326031147
Chiropractor in Hartville, OH

Q: What is William Knop's NPI number?

The NPI number for William Knop is 1326031147. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Q: What is William Knop's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for William Knop 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 41 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 August 26, 2005

450 W MAPLE ST, STE 1, HARTVILLE, OH 44632(330) 877-2203(330) 877-7750 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. William Leroy Knop Iii Dc NPPES

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

DR. WILLIAM LEROY KNOP III DC (NPI 1326031147) is an individual chiropractor in Hartville, Ohio, licensed in Ohio (2646) and active in the NPI registry since August 2005. He is a graduate of National College Of Chiropractic (1997).

NPPES Registry Identity

NPI1326031147

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. WILLIAM LEROY KNOP IIICredential: DC

Location Address450 W MAPLE ST, STE 1Hartville, OH 44632-9649

Mailing Address450 W Maple St, Ste 1Hartville, OH 44632-9649 · (330) 877-2203 · Fax (330) 877-7750

Phone(330) 877-2203

Fax(330) 877-7750

Sole ProprietorNo

Medical School CMSNational College Of ChiropracticGraduated 1997

Enumeration DateAugust 26, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1326031147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in OH · 2646

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

450 W MAPLE ST, Hartville, OH 44632

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Other Identifiers 1

Medicaid2057250OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Providence Health Plan, SummaCare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Leroy Knop Iii Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022197235

PECOS Enrollment IDI20080429000800

Areas of Expertise CMS Part B claims

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941

Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.

186 services11 patients

Other Providers at the Same Location NPPES 3

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

BENEFICIAL HEALTH INC

General Practice

450 W MAPLE ST, SUITE 1
HARTVILLE, OH 44632

Stark County (330) 877-2011

PRIMERA HOME HEALTHCARE

Podiatrist

450 W MAPLE ST
HARTVILLE, OH 44632

Stark County (330) 686-8317

KNOP CHIROPRACTIC INC

Chiropractor (Rehabilitation)

450 W MAPLE ST, SUITE 1
HARTVILLE, OH 44632

Stark County (330) 877-2203

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 William Knop's NPI number?

The NPI number for William Knop is 1326031147. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Where is William Knop located?

William Knop practices at 450 W Maple St Ste 1, Hartville, OH 44632. The listed phone number is (330) 877-2203.

What is William Knop's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is William Knop enrolled in Medicare?

Yes. William Knop is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Knop accept?

Health plans from Anthem Blue Cross and Blue Shield, Providence Health Plan and SummaCare list William Knop 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 William Knop 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 41 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.