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MRS. MARGRET LILLIAS ANDERSON LCSW
NPI 1265449631
Social Worker - Clinical in Vancouver, WA

Active since August 01, 2006PECOS EnrolledAccepts Medicare Assignment
7600 NE 41ST ST STE 310, VANCOUVER, WA 98662(503) 319-5858 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 29, 2026, Aug 7, 2022 (2 updates tracked since 2022).

About Mrs. Margret Lillias Anderson Lcsw NPPES

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

MRS. MARGRET LILLIAS ANDERSON LCSW (NPI 1265449631) is an individual clinical provider in Vancouver, Washington, licensed in Oregon (L1803) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1265449631
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. MARGRET LILLIAS ANDERSONCredential: LCSW
Location Address7600 NE 41ST ST STE 310Vancouver, WA 98662-6791
Mailing Address7600 Ne 41st St Ste 220Vancouver, WA 98662-6728 · (503) 319-5858
Phone(503) 319-5858
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateAugust 1, 2006
Last NPPES UpdateMay 29, 20262 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1265449631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in OR · L1803✔ Licensed in WA · LW00007712
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.
7600 NE 41ST ST STE 310, Vancouver, WA 98662
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Other Names 1

Other Name (5)Maggie Anderson Lcsw

Accepted Insurance

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

Mrs. Margret Lillias Anderson 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 ID8921470311
PECOS Enrollment IDI20230213000966
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 98662 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 $57.27 – $172.80
Typical copayment $0.00 (range $14.31 – $43.20)
Most-billed visit code NA
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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 3

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

DAWNN R. MCWATTERS PLLC
Psychologist (Clinical)
7600 NE 41ST ST STE 310
VANCOUVER, WA 98662
Clark County (360) 253-6425
KATHLEEN M. BRUHN PH.D. PC
Psychologist (Clinical)
7600 NE 41ST ST STE 310
VANCOUVER, WA 98662
Clark County (360) 253-6425
VICTORIA PAULUS, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
7600 NE 41ST ST STE 310
VANCOUVER, WA 98662
Clark County (360) 571-2050

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 Margret Anderson's NPI number?

The NPI number for Margret Anderson is 1265449631. It was assigned to this individual provider in the NPPES registry on August 1, 2006. The provider is also known as Maggie Anderson Lcsw.

Where is Margret Anderson located?

Margret Anderson practices at 7600 NE 41st St Ste 310, Vancouver, WA 98662. The listed phone number is (503) 319-5858.

What is Margret Anderson's specialty?

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

Is Margret Anderson enrolled in Medicare?

Yes. Margret Anderson 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 Margret Anderson accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Margret Anderson 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 Margret Anderson was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.