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KATHERINE O'BRIEN LCSW-S
NPI 1841668977
Social Worker - Clinical in Portland, OR

Active since September 06, 2015PECOS Enrolled
8627 SE LIEBE ST, PORTLAND, OR 97266(503) 318-1590 Get Directions Write a Review

NPPES record last updated: August 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katherine O'brien Lcsw-s NPPES

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

KATHERINE O'BRIEN LCSW-S (NPI 1841668977) is an individual clinical provider in Portland, Oregon, licensed in Oregon (L8531) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841668977
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE O'BRIENCredential: LCSW-S
Location Address8627 SE LIEBE STPortland, OR 97266-3146
Mailing Address4207 Se Woodstock Blvd # 237Portland, OR 97206-6267 · (503) 974-6412
Phone(503) 318-1590
Sole ProprietorYes
Enumeration DateSeptember 6, 2015
Last NPPES UpdateAugust 26, 2024
NPPES CertifiedAugust 23, 2024
✔ NPI 1841668977 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 · L8531
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.
8627 SE LIEBE ST, Portland, OR 97266
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine O'brien Lcsw-s 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 Katherine O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cascade Aids Project
3.9 mi
Primary Care
2236 SE BELMONT ST
Portland, OR 97214
  • Reassigned Medicare billing, Oregon enrollment
  • 19 clinicians in this Medicare group
NPI 1275076168 (503) 278-3890

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 97266 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.

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 Katherine O'brien's NPI number?

The NPI number for Katherine O'brien is 1841668977. It was assigned to this individual provider in the NPPES registry on September 6, 2015.

Where is Katherine O'brien located?

Katherine O'brien practices at 8627 SE Liebe St, Portland, OR 97266. The listed phone number is (503) 318-1590.

What is Katherine O'brien's specialty?

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

Is Katherine O'brien enrolled in Medicare?

Yes. Katherine O'brien is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine O'brien reassigns Medicare benefits to Cascade Aids Project (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 Katherine O'brien'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 Katherine O'brien was last updated on August 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.