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

DR. MARK W TOURNELL D.D.S.
NPI 1275520199
Dentist - General Practice in Grand Rapids, MI

Q: What is Mark Tournell's NPI number?

The NPI number for Mark Tournell is 1275520199. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Q: What is Mark Tournell's specialty?

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

Q: Is Mark Tournell enrolled in Medicare?

No. Mark Tournell has opted out of Medicare through September 7, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Mark Tournell 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 25 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 October 05, 2005Opted out of Medicare · through Sep 7, 2026

5010 CASCADE RD SE, GRAND RAPIDS, MI 49546(616) 942-0840(616) 348-0899 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Mark W Tournell D.d.s. NPPES

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

DR. MARK W TOURNELL D.D.S. (NPI 1275520199) is an individual general practice provider in Grand Rapids, Michigan, licensed in Michigan (11639) and active in the NPI registry since October 2005. He has opted out of Medicare through September 7, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1275520199

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARK W TOURNELLCredential: D.D.S.

Location Address5010 CASCADE RD SEGrand Rapids, MI 49546-3725

Mailing Address5010 Cascade Rd SeGrand Rapids, MI 49546-3725 · (616) 942-0840 · Fax (616) 942-0899

Phone(616) 942-0840

Fax(616) 348-0899

Sole ProprietorNo

Enumeration DateOctober 5, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1275520199 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 · 11639

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.

5010 CASCADE RD SE, Grand Rapids, MI 49546

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mark W Tournell D.d.s. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 7, 2004 through September 7, 2026.

Opt-Out Effective DateSeptember 7, 2004

Opt-Out In Effect ThroughSeptember 7, 2026Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49546 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

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

MARK W. TOURNELL, D.D.S., PLLC

Dentist (General Practice)

5010 CASCADE RD SE
GRAND RAPIDS, MI 49546

Kent County (616) 942-0840

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 Tournell's NPI number?

The NPI number for Mark Tournell is 1275520199. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is Mark Tournell located?

Mark Tournell practices at 5010 Cascade Rd SE, Grand Rapids, MI 49546. The listed phone number is (616) 942-0840.

What is Mark Tournell's specialty?

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

Is Mark Tournell enrolled in Medicare?

No. Mark Tournell has opted out of Medicare through September 7, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Mark Tournell 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 25 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.