MR. MARK J NIEZGODA LICSW
NPI 1447888946
Social Worker - Clinical in Seattle, WA

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment
4219 S OTHELLO ST APT 517, SEATTLE, WA 98118(206) 321-3997 Get Directions Write a Review

NPPES record last updated: March 30, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Mark J Niezgoda Licsw NPPES

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

MR. MARK J NIEZGODA LICSW (NPI 1447888946) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW60991792) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1447888946
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MARK J NIEZGODACredential: LICSW
Location Address4219 S OTHELLO ST APT 517Seattle, WA 98118-3886
Mailing Address4219 S Othello St Apt 517Seattle, WA 98118-3886 · (206) 321-3997
Sole ProprietorYes
Medical School CMSOtherGraduated 1993
Enumeration DateMarch 30, 2020
NPPES CertifiedMarch 30, 2020
NPI 1447888946 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 WA · LW60991792
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.

4219 S OTHELLO ST APT 517, Seattle, WA 98118

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

Mr. Mark J Niezgoda Licsw 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 ID1355842352
PECOS Enrollment IDI20250830000856
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 98118 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

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

Social Worker (Clinical)
4219 S OTHELLO ST APT 517
SEATTLE, WA 98118

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 Mark Niezgoda's NPI number?

The NPI number for Mark Niezgoda is 1447888946. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Mark Niezgoda located?

Mark Niezgoda practices at 4219 S Othello St Apt 517, Seattle, WA 98118. The listed phone number is (206) 321-3997.

What is Mark Niezgoda's specialty?

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

Is Mark Niezgoda enrolled in Medicare?

Yes. Mark Niezgoda 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 Mark Niezgoda accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Mark Niezgoda 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 Mark Niezgoda was last updated on March 30, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.