SETH THOMAS ANDERSEN
NPI 1871255869
Social Worker - Clinical in Seatac, WA

Active since October 07, 2021PECOS Enrolled
4040 S 188TH ST STE 300, SEATAC, WA 98188(206) 816-3253 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 20, 2025, Oct 7, 2021 (2 updates tracked since 2021).

About Seth Thomas Andersen NPPES

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

SETH THOMAS ANDERSEN (NPI 1871255869) is an individual clinical provider in Seatac, Washington and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871255869
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameSETH THOMAS ANDERSEN
Location Address4040 S 188TH ST STE 300Seatac, WA 98188-5070
Mailing Address4040 S 188th St Ste 300Seatac, WA 98188-5070 · (206) 816-3253
Sole ProprietorNo
Enumeration DateOctober 7, 2021
Last NPPES UpdateMarch 20, 20252 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
NPI 1871255869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
Also ListedCounselorTaxonomy 101Y00000X
4040 S 188TH ST STE 300, Seatac, WA 98188

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Seth Thomas Andersen 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98188 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 $63.67 – $189.37
Typical copayment $0.00 (range $15.91 – $47.34)
Most-billed visit code NA
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
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 10

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

Student in an Organized Health Care Education/Training Program
4040 S 188TH ST STE 300
SEATAC, WA 98188
Marriage & Family Therapist
4040 S 188TH ST STE 300
SEATAC, WA 98188
Peer Specialist
4040 S 188TH ST STE 300
SEATAC, WA 98188
Student in an Organized Health Care Education/Training Program
4040 S 188TH ST STE 300
SEATAC, WA 98188
Social Worker
4040 S 188TH ST STE 300
SEATAC, WA 98188
Counselor
4040 S 188TH ST STE 300
SEATAC, WA 98188
Peer Specialist
4040 S 188TH ST STE 300
SEATAC, WA 98188
Counselor (Mental Health)
4040 S 188TH ST STE 300
SEATAC, WA 98188

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 Seth Andersen's NPI number?

The NPI number for Seth Andersen is 1871255869. It was assigned to this individual provider in the NPPES registry on October 7, 2021.

Where is Seth Andersen located?

Seth Andersen practices at 4040 S 188th St Ste 300, Seatac, WA 98188. The listed phone number is (206) 816-3253.

What is Seth Andersen's specialty?

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

Is Seth Andersen enrolled in Medicare?

Yes. Seth Andersen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Seth Andersen was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.