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STEPHEN B KORNFELD MD
NPI 1164533667
Internal Medicine - Medical Oncology in Bend, OR

Active since August 31, 2006PECOS Enrolled
2500 NE NEFF RD, BEND, OR 97701(541) 706-5800(541) 706-6341 Get Directions Write a Review

NPPES record last updated: January 6, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Stephen B Kornfeld Md NPPES

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

STEPHEN B KORNFELD MD (NPI 1164533667) is an individual medical oncology provider in Bend, Oregon, licensed in Oregon (MD13702) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164533667
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameSTEPHEN B KORNFELDCredential: MD
Location Address2500 NE NEFF RDBend, OR 97701-6015
Mailing AddressPo Box 5579Bend, OR 97708-5579 · (541) 706-5800 · Fax (541) 706-6341
Phone(541) 706-5800
Fax(541) 706-6341
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateJanuary 6, 2017
✔ NPI 1164533667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in OR · MD13702
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedSpecialistTaxonomy 174400000X · License MD13702 (OR)
2500 NE NEFF RD, Bend, OR 97701
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINE02862OR
Other00411269OR · Railroad Medicare
Medicare PINR157819OR
Medicaid026976OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen B Kornfeld Md 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 Reassignments

2

Medicare enrollment records show Stephen Kornfeld reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sky Lakes Medical Center Inc
128 mi
General Acute Care Hospital
2865 DAGGETT AVE
Klamath Falls, OR 97601
  • Reassigned Medicare billing, Oregon enrollment
  • 355 clinicians in this Medicare group
NPI 1659340370 (541) 274-6221
Bay Area Hospital District
156 mi
General Acute Care Hospital
1775 THOMPSON RD
Coos Bay, OR 97420
  • Reassigned Medicare billing, Oregon enrollment
  • 327 clinicians in this Medicare group
NPI 1225016561 (541) 269-8124

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 97701 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
$166.64 typical visit price
range $54.96 – $166.64
Typical copayment $41.66 (range $13.74 – $41.66)
Most-billed visit code 99205
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.

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.

ALANNA MOZENA MD
Internal Medicine
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
JAQUELINE L CAMPAGNA PT
Physical Therapist
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 382-4321
ASHLEY MARIE TWYMAN MD
Hospitalist
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
NICOLE KOSMIDER
Anesthesiology
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (888) 333-1095
SAMANTHA MULLIS NNP
Nurse Practitioner (Neonatal, Critical Care)
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 382-4321
JEAN M BROWN PA-C
Physician Assistant
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 388-1636
BENJAMIN BRUNO BARSOTTI MD
Pediatrics
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
DR. NICHOLAS SONG BOEHLING M.D.
Radiology (Radiation Oncology)
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-5800

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 Stephen Kornfeld's NPI number?

The NPI number for Stephen Kornfeld is 1164533667. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Stephen Kornfeld located?

Stephen Kornfeld practices at 2500 NE Neff Rd, Bend, OR 97701. The listed phone number is (541) 706-5800.

What is Stephen Kornfeld's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Stephen Kornfeld enrolled in Medicare?

Yes. Stephen Kornfeld is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephen Kornfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Kornfeld reassigns Medicare benefits to 2 organizations: Sky Lakes Medical Center Inc (Klamath Falls, OR) and Bay Area Hospital District (Coos Bay, OR). Each 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 Stephen Kornfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Kornfeld accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Stephen Kornfeld 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 Stephen Kornfeld was last updated on January 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.