DENNIS ANTHONY THORNLEY D.D.S.
NPI 1376603423
Dentist - General Practice in Grand Haven, MI

Q: What is Dennis Thornley's NPI number?

The NPI number for Dennis Thornley is 1376603423. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Q: What is Dennis Thornley's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Dennis Thornley was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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 December 11, 2006PECOS Enrolled

17000 ROBBINS RD, GRAND HAVEN, MI 49417(616) 846-7360 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dennis Anthony Thornley D.d.s. NPPES

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

DENNIS ANTHONY THORNLEY D.D.S. (NPI 1376603423) is an individual general practice provider in Grand Haven, Michigan, licensed in Michigan (016542) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376603423

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDENNIS ANTHONY THORNLEYCredential: D.D.S.

Location Address17000 ROBBINS RDGrand Haven, MI 49417-2788

Mailing Address17000 Robbins RdGrand Haven, MI 49417-2788 · (616) 846-7360

Phone(616) 846-7360

Sole ProprietorNo

Enumeration DateDecember 11, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1376603423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MI · 016542

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

17000 ROBBINS RD, Grand Haven, MI 49417

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Other Identifiers 1

Medicaid4164057MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Delta Dental of Michigan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dennis Anthony Thornley D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49417 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.74 typical visit price

range $54.34 – $166.68

Typical copayment $21.18 (range $13.58 – $41.67)

Most-billed visit code 99203

Established Patient

$68.07 typical visit price

range $17.09 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

THORNLEY AND ASSOCIATES DDS PC

Clinic/Center (Dental)

17000 ROBBINS RD
GRAND HAVEN, MI 49417

Ottawa County (616) 846-7360

JOEL S. WILKINSON LLMSW

Social Worker

17000 ROBBINS RD
GRAND HAVEN, MI 49417

Ottawa County (616) 396-0623

DANIEL ANTHONY BOWEN D.D.S.

Dentist (General Practice)

17000 ROBBINS RD
GRAND HAVEN, MI 49417

Ottawa County (616) 846-7360

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 Dennis Thornley's NPI number?

The NPI number for Dennis Thornley is 1376603423. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Dennis Thornley located?

Dennis Thornley practices at 17000 Robbins Rd, Grand Haven, MI 49417. The listed phone number is (616) 846-7360.

What is Dennis Thornley's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Dennis Thornley enrolled in Medicare?

Yes. Dennis Thornley is registered in the Medicare PECOS enrollment system.

What insurance does Dennis Thornley accept?

Health plans from Delta Dental of Michigan list Dennis Thornley 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 Dennis Thornley was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.