RUTH EMMA ARMSTRONG MD
NPI 1093410235
Family Medicine in Spokane, WA

Active since April 04, 2023PECOS EnrolledAccepts Medicare Assignment
624 E FRONT AVE, SPOKANE, WA 99202(509) 626-9900 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 6, 2026, Jun 21, 2023, Apr 4, 2023 (3 updates tracked since 2023).

About Ruth Emma Armstrong Md NPPES

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

RUTH EMMA ARMSTRONG MD (NPI 1093410235) is an individual family medicine provider in Spokane, Washington, licensed in Washington (MD.MD.70076802) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Sky Lakes Medical Center, and maintains a secondary practice location in Klamath Falls.

NPPES Registry Identity

NPI1093410235
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameRUTH EMMA ARMSTRONGCredential: MD
Location Address624 E FRONT AVESpokane, WA 99202-2139
Mailing AddressPo Box 31001-4114Pasadena, CA 91110-0001 · (866) 747-2455
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2023
Enumeration DateApril 4, 2023
Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1093410235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WA · MD.MD.70076802
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
624 E FRONT AVE, Spokane, WA 99202

Secondary Practice Location 1

Location 12821 Daggett Ave Ste 100Klamath Falls, OR 97601-1130 · Phone (541) 274-4611

Accepted Insurance

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

Ruth Emma Armstrong Md 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 ID3577923101
PECOS Enrollment IDI20260804000476
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 Ruth Armstrong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pulmonary Disease
101 W 8TH AVE, MOTHER GAMELIN CENTER 3RD FLOOR
Spokane, WA 99204
  • Reassigned Medicare billing, Washington enrollment
  • 862 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sky Lakes Medical Center

Acute Care Hospitals · Klamath Falls, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380050
Location2865 Daggett AvenueKlamath Falls, OR 97601 · Klamath County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99202 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.

Internal Medicine
624 E FRONT AVE
SPOKANE, WA 99202
Psychiatry & Neurology (Psychiatry)
624 E FRONT AVE
SPOKANE, WA 99202
Social Worker (Clinical)
624 E FRONT AVE
SPOKANE, WA 99202
Orthopaedic Surgery
624 E FRONT AVE
SPOKANE, WA 99202
Internal Medicine
624 E FRONT AVE
SPOKANE, WA 99202
Internal Medicine
624 E FRONT AVE
SPOKANE, WA 99202
Student in an Organized Health Care Education/Training Program
624 E FRONT AVE
SPOKANE, WA 99202
Student in an Organized Health Care Education/Training Program
624 E FRONT AVE
SPOKANE, WA 99202

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 Ruth Armstrong's NPI number?

The NPI number for Ruth Armstrong is 1093410235. It was assigned to this individual provider in the NPPES registry on April 4, 2023.

Where is Ruth Armstrong located?

Ruth Armstrong practices at 624 E Front Ave, Spokane, WA 99202. The listed phone number is (509) 626-9900.

What is Ruth Armstrong's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ruth Armstrong enrolled in Medicare?

Yes. Ruth Armstrong 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 Ruth Armstrong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Armstrong reassigns Medicare benefits to Providence Health & Services Washington (Spokane, 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 Ruth Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ruth Armstrong accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Ruth Armstrong 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.

Is Ruth Armstrong affiliated with any hospitals?

According to CMS data, Ruth Armstrong is affiliated with Sky Lakes Medical Center.

When was this NPI record last updated?

The NPPES record for Ruth Armstrong was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.