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WILLIAM WALKER JR. LCSW
NPI 1902340060
Social Worker - Clinical in Portland, OR

Active since December 08, 2016PECOS EnrolledAccepts Medicare Assignment
3536 SE BROOKLYN ST, PORTLAND, OR 97202(503) 438-0266 Get Directions Write a Review

NPPES record last updated: November 16, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 16, 2020, Mar 17, 2018, Jun 27, 2017 (3 updates tracked since 2017).

About William Walker Jr. Lcsw NPPES

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

WILLIAM WALKER JR. LCSW (NPI 1902340060) is an individual clinical provider in Portland, Oregon, licensed in Oregon (L7172) and active in the NPI registry since December 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1902340060
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameWILLIAM WALKER JR.Credential: LCSW
Location Address3536 SE BROOKLYN STPortland, OR 97202-1821
Mailing Address3536 Se Brooklyn StPortland, OR 97202-1821 · (503) 438-0266
Phone(503) 438-0266
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateDecember 8, 2016
Last NPPES UpdateNovember 16, 20203 updates tracked since enumeration
NPPES CertifiedNovember 16, 2020
✔ NPI 1902340060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in OR · L7172
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3536 SE BROOKLYN ST, Portland, OR 97202
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Secondary Practice Location 1

Location 1650 NE Holladay St Ste 1600Portland, OR 97232-2035 · Phone (503) 438-0266

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Walker Jr. Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810266244
PECOS Enrollment IDI20170628002237
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 William Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Will Walker Lcisw LLC
2.5 mi
Community/Behavioral Health
650 NE HOLLADAY ST, SUITE 1600
Portland, OR 97232
  • Reassigned Medicare billing, Oregon enrollment
NPI 1568913028 (503) 438-0266

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 97202 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
$0.00 typical visit price
range $58.99 – $176.88
Typical copayment $0.00 (range $14.74 – $44.22)
Most-billed visit code NA
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
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

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

WILL WALKER LCISW
Counselor
3536 SE BROOKLYN ST
PORTLAND, OR 97202
Multnomah County (503) 438-0266

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 William Walker's NPI number?

The NPI number for William Walker is 1902340060. It was assigned to this individual provider in the NPPES registry on December 8, 2016.

Where is William Walker located?

William Walker practices at 3536 SE Brooklyn St, Portland, OR 97202. The listed phone number is (503) 438-0266.

What is William Walker's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is William Walker enrolled in Medicare?

Yes. William Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for William Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Walker reassigns Medicare benefits to Will Walker Lcisw LLC (Portland, 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 William Walker'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 William Walker was last updated on November 16, 2020. 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.