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DR. STEFFEN NIELS LASSEN DDS
NPI 1750811485
Dentist - General Practice in Eugene, OR

Active since June 15, 2017PECOS Enrolled
4120 QUEST DR, EUGENE, OR 97402(541) 688-7278(541) 334-6604 Get Directions Write a Review

NPPES record last updated: March 19, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 19, 2019, Jun 15, 2017 (2 updates tracked since 2017).

About Dr. Steffen Niels Lassen Dds NPPES

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

DR. STEFFEN NIELS LASSEN DDS (NPI 1750811485) is an individual general practice provider in Eugene, Oregon, licensed in Oregon (D10980) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750811485
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. STEFFEN NIELS LASSENCredential: DDS
Location Address4120 QUEST DREugene, OR 97402-8768
Mailing Address4120 Quest DrEugene, OR 97402-8768 · (541) 688-7278 · Fax (541) 334-6604
Phone(541) 688-7278
Fax(541) 334-6604
Sole ProprietorNo
Enumeration DateJune 15, 2017
Last NPPES UpdateMarch 19, 20192 updates tracked since enumeration
✔ NPI 1750811485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in OR · D10980
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.
Also ListedDentistTaxonomy 122300000X · License 101423 (CA)
4120 QUEST DR, Eugene, OR 97402
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Humana, Regence BlueCross BlueShield of Oregon.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)

Dr. Steffen Niels Lassen 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97402 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
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 6

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

DR. VALENTINA SERRANO HILL
Dentist
4120 QUEST DR
EUGENE, OR 97402
Lane County (541) 688-7278
DR. HENRY QUEST D.M.D.
Dentist (General Practice)
4120 QUEST DR
EUGENE, OR 97402
Lane County (541) 688-7278
LASSEN DENTAL LLC
Dentist (General Practice)
4120 QUEST DR
EUGENE, OR 97402
Lane County (541) 688-7278
DR. HENRY QUEST D.M.D. PC
Dentist (General Practice)
4120 QUEST DR
EUGENE, OR 97402
Lane County (541) 688-7278
TYLER PETERSCHMIDT DMD
Dentist (General Practice)
4120 QUEST DR
EUGENE, OR 97402
Lane County (541) 688-7278
KENNETH M. SHOU D.D.S.
Dentist (General Practice)
4120 QUEST DR
EUGENE, OR 97402
Lane County (541) 688-7278

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 Steffen Lassen's NPI number?

The NPI number for Steffen Lassen is 1750811485. It was assigned to this individual provider in the NPPES registry on June 15, 2017.

Where is Steffen Lassen located?

Steffen Lassen practices at 4120 Quest Dr, Eugene, OR 97402. The listed phone number is (541) 688-7278.

What is Steffen Lassen's specialty?

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

Is Steffen Lassen enrolled in Medicare?

Yes. Steffen Lassen is registered in the Medicare PECOS enrollment system.

What insurance does Steffen Lassen accept?

Health plans from BridgeSpan Health Company, Humana and Regence BlueCross BlueShield of Oregon list Steffen Lassen 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 Steffen Lassen was last updated on March 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.