Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. DAVID WILLIAM WALKER FNP
NPI 1366686537
Nurse Practitioner - Family in Portland, OR

Q: What is David Walker's NPI number?

The NPI number for David Walker is 1366686537. It was assigned to this individual provider in the NPPES registry on May 1, 2009.

Q: What is David Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for David Walker was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.

Active since May 01, 2009PECOS Enrolled

3900 NE 158TH AVE, PORTLAND, OR 97230(503) 255-4650 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mr. David William Walker Fnp NPPES

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

MR. DAVID WILLIAM WALKER FNP (NPI 1366686537) is an individual family provider in Portland, Oregon, licensed in Oregon (201050208NP) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366686537

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameMR. DAVID WILLIAM WALKERCredential: FNP

Location Address3900 NE 158TH AVEPortland, OR 97230-5002

Mailing Address1925 Ne Stucki Ave Ste 230Hillsboro, OR 97006-6966 · (888) 852-1988

Phone(503) 255-4650

Sole ProprietorNo

Enumeration DateMay 1, 2009

Last NPPES UpdateJune 23, 2026

NPPES CertifiedJune 23, 2026

✔ NPI 1366686537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in OR · 201050208NP

Also ListedRegistered NurseTaxonomy 163W00000X · License 200441166RN (OR)

3900 NE 158TH AVE, Portland, OR 97230

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. David William Walker Fnp 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 97230 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

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

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.

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 Walker's NPI number?

The NPI number for David Walker is 1366686537. It was assigned to this individual provider in the NPPES registry on May 1, 2009.

Where is David Walker located?

David Walker practices at 3900 NE 158th Ave, Portland, OR 97230. The listed phone number is (503) 255-4650.

What is David Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is David Walker enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for David Walker was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.