DENNIS M WILLERFORD M.D.
NPI 1316010804
Internal Medicine - Medical Oncology in Poulsbo, WA

Active since November 15, 2006PECOS Enrolled
19500 10TH AVE NE STE 100, POULSBO, WA 98370(360) 598-7500(253) 627-7880 Get Directions Write a Review

NPPES record last updated: January 18, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dennis M Willerford M.d. NPPES

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

DENNIS M WILLERFORD M.D. (NPI 1316010804) is an individual medical oncology provider in Poulsbo, Washington, licensed in Washington (MD00023959) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316010804
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDENNIS M WILLERFORDCredential: M.D.
Location Address19500 10TH AVE NE STE 100Poulsbo, WA 98370-6331
Mailing Address19500 10th Ave Ne Ste 100Poulsbo, WA 98370-6331 · (360) 598-7500 · Fax (253) 627-7880
Fax(253) 627-7880
Sole ProprietorNo
Enumeration DateNovember 15, 2006
Last NPPES UpdateJanuary 18, 2021
NPPES CertifiedJanuary 18, 2021
NPI 1316010804 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 WA · MD00023959
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 ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD00023959 (WA)
19500 10TH AVE NE STE 100, Poulsbo, WA 98370

Other Identifiers 1

Medicaid1007398WA

Accepted 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)

Dennis M Willerford M.d. 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 98370 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
$172.80 typical visit price
range $57.27 – $172.80
Typical copayment $43.20 (range $14.31 – $43.20)
Most-billed visit code 99205
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$21.28 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$119.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

Nurse Practitioner (Gerontology)
19500 10TH AVE NE STE 100
POULSBO, WA 98370
Internal Medicine (Medical Oncology)
19500 10TH AVE NE STE 100
POULSBO, WA 98370

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 Dennis Willerford's NPI number?

The NPI number for Dennis Willerford is 1316010804. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Dennis Willerford located?

Dennis Willerford practices at 19500 10th Ave NE Ste 100, Poulsbo, WA 98370. The listed phone number is (360) 598-7500.

What is Dennis Willerford's specialty?

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

Is Dennis Willerford enrolled in Medicare?

Yes. Dennis Willerford is registered in the Medicare PECOS enrollment system.

What insurance does Dennis Willerford accept?

Health plans from PacificSource Health Plans and Providence Health Plan list Dennis Willerford 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 Dennis Willerford was last updated on January 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.