DR. NATHAN WAYNE SCADLOCK DNP, ARNP
NPI 1235571936
Nurse Practitioner - Primary Care in Eugene, OR

Active since July 23, 2013PECOS Enrolled
91.06/100
CMS Quality Rating
1650 CHAMBERS ST, EUGENE, OR 97402(541) 686-1711(541) 686-6018 Get Directions Write a Review

NPPES record last updated: June 11, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 11, 2019, May 23, 2019 (2 updates tracked since 2019).

About Dr. Nathan Wayne Scadlock Dnp, Arnp NPPES

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

DR. NATHAN WAYNE SCADLOCK DNP, ARNP (NPI 1235571936) is an individual primary care provider in Eugene, Oregon, licensed in Oregon (201900807NP-PP) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235571936
Entity TypeIndividualMale
Primary Taxonomy363LP2300X
Provider Legal NameDR. NATHAN WAYNE SCADLOCKCredential: DNP, ARNP
Location Address1650 CHAMBERS STEugene, OR 97402-3636
Mailing AddressPo Box 1648Eugene, OR 97440-1648 · (541) 687-4900 · Fax (541) 463-2820
Fax(541) 686-6018
Sole ProprietorNo
Enumeration DateJuly 23, 2013
Last NPPES UpdateJune 11, 20192 updates tracked since enumeration
✔ NPI 1235571936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in OR · 201900807NP-PP
1650 CHAMBERS ST, Eugene, OR 97402

Other Identifiers 1

Medicaid500760659OR

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nathan Wayne Scadlock Dnp, Arnp 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 Nathan Scadlock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Urgent Care
600 COUNTRY CLUB RD STE 100
Eugene, OR 97401
  • Reassigned Medicare billing, Oregon enrollment
  • 248 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.

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
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.23
Promoting Interoperability100
Improvement Activities40
Cost75.99

Other Providers at the Same Location NPPES 20

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

Durable Medical Equipment & Medical Supplies
1650 CHAMBERS ST
EUGENE, OR 97402
Internal Medicine
1650 CHAMBERS ST
EUGENE, OR 97402
Pediatrics
1650 CHAMBERS ST
EUGENE, OR 97402
Internal Medicine
1650 CHAMBERS ST
EUGENE, OR 97402
Internal Medicine
1650 CHAMBERS ST
EUGENE, OR 97402
Family Medicine
1650 CHAMBERS ST
EUGENE, OR 97402
Family Medicine
1650 CHAMBERS ST
EUGENE, OR 97402
Internal Medicine
1650 CHAMBERS ST
EUGENE, OR 97402

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 Nathan Scadlock's NPI number?

The NPI number for Nathan Scadlock is 1235571936. It was assigned to this individual provider in the NPPES registry on July 23, 2013.

Where is Nathan Scadlock located?

Nathan Scadlock practices at 1650 Chambers St, Eugene, OR 97402. The listed phone number is (541) 686-1711.

What is Nathan Scadlock's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Nathan Scadlock enrolled in Medicare?

Yes. Nathan Scadlock is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nathan Scadlock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Scadlock reassigns Medicare benefits to Oregon Healthcare Resources, LLC (Eugene, OR). 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 Nathan Scadlock'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 Nathan Scadlock was last updated on June 11, 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.