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MARILYN SLIZESKI LPC
NPI 1306230925
Counselor - Professional in Corvallis, OR

Active since March 20, 2015PECOS EnrolledAccepts Medicare Assignment
4185 SW RESEARCH WAY, CORVALLIS, OR 97333(541) 257-5500(541) 286-4140 Get Directions Write a Review

NPPES record last updated: November 27, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marilyn Slizeski Lpc NPPES

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

MARILYN SLIZESKI LPC (NPI 1306230925) is an individual professional provider in Corvallis, Oregon, licensed in Oregon (C4485) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1306230925
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARILYN SLIZESKICredential: LPC
Location Address4185 SW RESEARCH WAYCorvallis, OR 97333-1783
Mailing Address66 Club Rd Ste 120Eugene, OR 97401-2439 · (541) 393-5983 · Fax (541) 393-5984
Phone(541) 257-5500
Fax(541) 286-4140
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMarch 20, 2015
Last NPPES UpdateNovember 27, 2024
NPPES CertifiedNovember 27, 2024
✔ NPI 1306230925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in OR · C4485
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License R3502 (OR), C4485 (OR)
4185 SW RESEARCH WAY, Corvallis, OR 97333
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Other Identifiers 1

Medicaid500700536OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc. and more.Insurance ›

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

Marilyn Slizeski Lpc 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 ID1951828342
PECOS Enrollment IDI20250508002704
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 Marilyn Slizeski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western Psychological And Counseling Services LLC
190 mi
Clinical
2420 S UNION AVE
Tacoma, WA 98405
  • Reassigned Medicare billing, Oregon enrollment
  • 314 clinicians in this Medicare group
NPI 1912008178 (253) 752-7320

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MELISSA ALVARADO
Counselor (Mental Health)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 766-6767
ANNE HOVLAND LCSW
Social Worker (Clinical)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 257-5500
MOLLY MARIE THEODORE
Counselor (Mental Health)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 766-6767
KAILEY JANET CLAGGETT LPC
Counselor (Mental Health)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 393-5983
KELSEY NAVA-COSTALES
Social Worker (Clinical)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 912-3870
CECILIA BANUELAS LMFT
Marriage & Family Therapist
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 257-5500
KENNETH MACKIE LCSW
Social Worker (Clinical)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 766-6767
SUNNI M. MODAFFARI LPC
Counselor (Mental Health)
4185 SW RESEARCH WAY
CORVALLIS, OR 97333
Benton County (541) 257-5500

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 Marilyn Slizeski's NPI number?

The NPI number for Marilyn Slizeski is 1306230925. It was assigned to this individual provider in the NPPES registry on March 20, 2015.

Where is Marilyn Slizeski located?

Marilyn Slizeski practices at 4185 SW Research Way, Corvallis, OR 97333. The listed phone number is (541) 257-5500.

What is Marilyn Slizeski's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Marilyn Slizeski enrolled in Medicare?

Yes. Marilyn Slizeski 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 Marilyn Slizeski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Slizeski reassigns Medicare benefits to Western Psychological And Counseling Services LLC (Tacoma, WA). 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 Marilyn Slizeski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marilyn Slizeski accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Marilyn Slizeski 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 Marilyn Slizeski was last updated on November 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.