Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SUSANNAH MARGARET HART STEPHENS LICSW, SUDP
NPI 1639558885
Social Worker - Clinical in Suquamish, WA

Active since May 20, 2015PECOS Enrolled
18490 SUQUAMISH WAY NE UNIT 107, SUQUAMISH, WA 98392(360) 394-8558(360) 598-1724 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Susannah Margaret Hart Stephens Licsw, Sudp NPPES

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

SUSANNAH MARGARET HART STEPHENS LICSW, SUDP (NPI 1639558885) is an individual clinical provider in Suquamish, Washington, licensed in Washington (SWI.LW.61492248) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1639558885
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSUSANNAH MARGARET HART STEPHENSCredential: LICSW, SUDP
Location Address18490 SUQUAMISH WAY NE UNIT 107Suquamish, WA 98392-9533
Mailing AddressPo Box 1228Suquamish, WA 98392-1228 · (360) 394-1423 · Fax (360) 598-1724
Fax(360) 598-1724
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 20, 2015
Last NPPES UpdateOctober 23, 2026
NPPES CertifiedOctober 23, 2026
✔ NPI 1639558885 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
License✔ Licensed in WA · SWI.LW.61492248
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 ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License CDP.CP.60672681 (WA)
18490 SUQUAMISH WAY NE UNIT 107, Suquamish, WA 98392

Other Identifiers 1

Medicaid2206507WA

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

Susannah Margaret Hart Stephens Licsw, Sudp 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 ID6305280413
PECOS Enrollment IDI20240216001749
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 Susannah Hart Stephens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Adult Mental Health
18490 SUQUAMISH WAY NE UNIT 107
Suquamish, WA 98392
  • Reassigned Medicare billing, Texas enrollment
  • 7 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98392 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 20

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

Counselor (Addiction (Substance Use Disorder))
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Clinic/Center (Adult Mental Health)
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Counselor (Addiction (Substance Use Disorder))
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Counselor (Addiction (Substance Use Disorder))
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Marriage & Family Therapist
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Clinic/Center (Rehabilitation, Substance Use Disorder)
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Counselor
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392
Counselor (Addiction (Substance Use Disorder))
18490 SUQUAMISH WAY NE UNIT 107
SUQUAMISH, WA 98392

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 Susannah Hart Stephens's NPI number?

The NPI number for Susannah Hart Stephens is 1639558885. It was assigned to this individual provider in the NPPES registry on May 20, 2015.

Where is Susannah Hart Stephens located?

Susannah Hart Stephens practices at 18490 Suquamish Way NE Unit 107, Suquamish, WA 98392. The listed phone number is (360) 394-8558.

What is Susannah Hart Stephens's specialty?

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

Is Susannah Hart Stephens enrolled in Medicare?

Yes. Susannah Hart Stephens 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 Susannah Hart Stephens's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Susannah Hart Stephens reassigns Medicare benefits to Suquamish Tribal (Suquamish, 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 Susannah Hart Stephens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Susannah Hart Stephens was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.