MARGARET HULL YAMASAKI LCSW
NPI 1205463304
Social Worker - Clinical in Corvallis, OR

Active since March 26, 2020PECOS EnrolledAccepts Medicare Assignment
636 SW 2ND ST, CORVALLIS, OR 97333(458) 253-8896 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 23, 2023, Mar 26, 2020 (2 updates tracked since 2020).

About Margaret Hull Yamasaki Lcsw NPPES

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

MARGARET HULL YAMASAKI LCSW (NPI 1205463304) is an individual clinical provider in Corvallis, Oregon, licensed in Oregon (L11068) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1205463304
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARGARET HULL YAMASAKICredential: LCSW
Location Address636 SW 2ND STCorvallis, OR 97333-4442
Mailing Address636 Sw 2nd StCorvallis, OR 97333-4442 · (541) 250-2540
Sole ProprietorYes
Medical School CMSOtherGraduated 1992
Enumeration DateMarch 26, 2020
Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration
NPPES CertifiedNovember 21, 2023
NPI 1205463304 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 · L11068
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.

636 SW 2ND ST, Corvallis, OR 97333

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 and accepts Medicare assignment

Margaret Hull Yamasaki 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 ID8820522147
PECOS Enrollment IDI20241108003294
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 97333 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 $54.96 – $166.64
Typical copayment $0.00 (range $13.74 – $41.66)
Most-billed visit code NA
Established Patient
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
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 11

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

Counselor (Mental Health)
636 SW 2ND ST
CORVALLIS, OR 97333
Counselor (Mental Health)
636 SW 2ND ST
CORVALLIS, OR 97333
Social Worker (Clinical)
636 SW 2ND ST
CORVALLIS, OR 97333
Social Worker (Clinical)
636 SW 2ND ST
CORVALLIS, OR 97333
Nurse Practitioner (Psychiatric/Mental Health)
636 SW 2ND ST
CORVALLIS, OR 97333
Psychologist (Clinical)
636 SW 2ND ST
CORVALLIS, OR 97333
Social Worker (Clinical)
636 SW 2ND ST
CORVALLIS, OR 97333
Social Worker (Clinical)
636 SW 2ND ST
CORVALLIS, OR 97333

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 Margaret Yamasaki's NPI number?

The NPI number for Margaret Yamasaki is 1205463304. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Margaret Yamasaki located?

Margaret Yamasaki practices at 636 SW 2nd St, Corvallis, OR 97333. The listed phone number is (458) 253-8896.

What is Margaret Yamasaki's specialty?

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

Is Margaret Yamasaki enrolled in Medicare?

Yes. Margaret Yamasaki 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.

What insurance does Margaret Yamasaki accept?

Health plans from BridgeSpan Health Company and Regence BlueCross BlueShield of Oregon list Margaret Yamasaki 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 Margaret Yamasaki was last updated on November 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.