RUBY ROSE STOCKING SIAGKRIS MSN ARNP CNM PMHNP
NPI 1629603949
Nurse Practitioner - Psychiatric/Mental Health in Spokane, WA

Active since March 06, 2020PECOS Enrolled
100 N HOWARD ST STE R, SPOKANE, WA 99201(360) 564-1942(360) 838-1266 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 22, 2026, Dec 31, 2025, Dec 14, 2025 and 3 more (6 updates tracked since 2020).

About Ruby Rose Stocking Siagkris Msn Arnp Cnm Pmhnp NPPES

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

RUBY ROSE STOCKING SIAGKRIS MSN ARNP CNM PMHNP (NPI 1629603949) is an individual psychiatric/mental health provider in Spokane, Washington, licensed in Washington (AP61678118) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Tacoma.

NPPES Registry Identity

NPI1629603949
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameRUBY ROSE STOCKING SIAGKRISCredential: MSN ARNP CNM PMHNP
Location Address100 N HOWARD ST STE RSpokane, WA 99201-0508
Mailing Address1825 Langridge Ave NwOlympia, WA 98502-0707 · (541) 324-3141 · Fax (360) 838-1266
Fax(360) 838-1266
Sole ProprietorNo
Enumeration DateMarch 6, 2020
Last NPPES UpdateJanuary 22, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1629603949 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP61678118
Also ListedAdvanced Practice MidwifeTaxonomy 367A00000X · License AP61046288 (WA)
100 N HOWARD ST STE R, Spokane, WA 99201

Secondary Practice Location 1

Location 1209 M.L.K. Jr Way, Kaiser Permanente - Midwifery and Women's HealthTacoma, WA 98405 · Phone (253) 596-3300

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruby Rose Stocking Siagkris Msn Arnp Cnm Pmhnp 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Ruby Stocking Siagkris reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatric/Mental Health
522 W RIVERSIDE AVE STE N
Spokane, WA 99201
  • Reassigned Medicare billing, Washington enrollment
  • 3 clinicians in this Medicare group
Multi-Specialty
2930 MAPLE ST
Everett, WA 98201
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 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 99201 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
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 (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201
Counselor (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201
Counselor (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201
Counselor (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201
Counselor (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201
Counselor (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201
Marriage & Family Therapist
100 N HOWARD ST STE R
SPOKANE, WA 99201
Counselor (Mental Health)
100 N HOWARD ST STE R
SPOKANE, WA 99201

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 Ruby Stocking Siagkris's NPI number?

The NPI number for Ruby Stocking Siagkris is 1629603949. It was assigned to this individual provider in the NPPES registry on March 6, 2020.

Where is Ruby Stocking Siagkris located?

Ruby Stocking Siagkris practices at 100 N Howard St Ste R, Spokane, WA 99201. The listed phone number is (360) 564-1942.

What is Ruby Stocking Siagkris's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ruby Stocking Siagkris enrolled in Medicare?

Yes. Ruby Stocking Siagkris is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ruby Stocking Siagkris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ruby Stocking Siagkris reassigns Medicare benefits to 2 organizations: Transformation Service PLLC (Spokane, WA) and Kaiser Foundation Health Plan Of Washington (Everett, WA). Each 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 Ruby Stocking Siagkris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ruby Stocking Siagkris accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Ruby Stocking Siagkris 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 Ruby Stocking Siagkris was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.