DEREK JAMES KNOTH
NPI 1730644907
Speech-Language Pathologist in Zeeland, MI

Active since February 01, 2019
320 E CENTRAL AVE, ZEELAND, MI 49464(616) 772-9191 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 27, 2025, Feb 1, 2019 (2 updates tracked since 2019).

About Derek James Knoth NPPES

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

DEREK JAMES KNOTH (NPI 1730644907) is an individual speech-language pathologist provider in Zeeland, Michigan, licensed in Michigan (7101005757) and active in the NPI registry since February 2019. He maintains a secondary practice location in Allendale.

NPPES Registry Identity

NPI1730644907
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameDEREK JAMES KNOTH
Location Address320 E CENTRAL AVEZeeland, MI 49464-1706
Mailing Address5880 Canal Ave SwWyoming, MI 49418-9372 · (616) 250-1029
Sole ProprietorNo
Enumeration DateFebruary 1, 2019
Last NPPES UpdateMay 27, 20252 updates tracked since enumeration
NPPES CertifiedMay 27, 2025
✔ NPI 1730644907 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
License✔ Licensed in MI · 7101005757
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.
320 E CENTRAL AVE, Zeeland, MI 49464

Secondary Practice Location 1

Location 111007 Radcliff DrAllendale, MI 49401-9521 · Phone (616) 895-6688

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Derek James Knoth is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Physical Therapist
5969 N CANTON CENTER RD
Canton, MI 48187
  • Reassigned Medicare billing, Michigan enrollment
  • 116 clinicians in this Medicare group

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 4

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

Speech-Language Pathologist
320 E CENTRAL AVE
ZEELAND, MI 49464
Skilled Nursing Facility
320 E CENTRAL AVE
ZEELAND, MI 49464
Internal Medicine
320 E CENTRAL AVE
ZEELAND, MI 49464
Physical Therapist
320 E CENTRAL AVE
ZEELAND, MI 49464

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 Derek Knoth's NPI number?

The NPI number for Derek Knoth is 1730644907. It was assigned to this individual provider in the NPPES registry on February 1, 2019.

Where is Derek Knoth located?

Derek Knoth practices at 320 E Central Ave, Zeeland, MI 49464. The listed phone number is (616) 772-9191.

What is Derek Knoth's specialty?

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

Is Derek Knoth enrolled in Medicare?

Yes. Derek Knoth is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Derek Knoth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Knoth reassigns Medicare benefits to Fox Rehabilitation Services Mi LLC (Canton, MI). 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 Derek Knoth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Derek Knoth was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.