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DR. DAVID MICHAEL THORFINNSON DDS
NPI 1346276219
Dentist - General Practice in East Grand Forks, MN

Active since June 23, 2006PECOS Enrolled
22 4TH ST NE, EAST GRAND FORKS, MN 56721(218) 773-0842(218) 773-7346 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. David Michael Thorfinnson Dds NPPES

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

DR. DAVID MICHAEL THORFINNSON DDS (NPI 1346276219) is an individual general practice provider in East Grand Forks, Minnesota, licensed in Minnesota (10253) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346276219
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. DAVID MICHAEL THORFINNSONCredential: DDS
Location Address22 4TH ST NEEast Grand Forks, MN 56721-2011
Mailing Address22 4th St NeEast Grand Forks, MN 56721-2011 · (218) 773-0842 · Fax (218) 773-7346
Phone(218) 773-0842
Fax(218) 773-7346
Sole ProprietorNo
Enumeration DateJune 23, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1346276219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MN · 10253
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.
22 4TH ST NE, East Grand Forks, MN 56721
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Other Identifiers 1

Other989049ND · Blue Cross Blue Shield Nd

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Michael Thorfinnson Dds 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.

Medicare Billing Reassignment

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

East Grand Forks Dental Care
Same address
General Practice
22 4TH ST. NE
East Grand Forks, MN 56721
  • Reassigned Medicare billing, Minnesota enrollment
NPI 1891912812 (218) 773-0842

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56721 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
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.

TROY ANTHONY MAGSAM
Audiologist-Hearing Aid Fitter
22 4TH ST NE
EAST GRAND FORKS, MN 56721
Polk County (701) 746-8421

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 David Thorfinnson's NPI number?

The NPI number for David Thorfinnson is 1346276219. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is David Thorfinnson located?

David Thorfinnson practices at 22 4th St NE, East Grand Forks, MN 56721. The listed phone number is (218) 773-0842.

What is David Thorfinnson's specialty?

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

Is David Thorfinnson enrolled in Medicare?

Yes. David Thorfinnson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Thorfinnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Thorfinnson reassigns Medicare benefits to East Grand Forks Dental Care (East Grand Forks, MN). 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 David Thorfinnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Thorfinnson accept?

Health plans from Blue Cross Blue Shield of North Dakota list David Thorfinnson 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 David Thorfinnson was last updated on July 8, 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.