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

DR. SHANI J GO-XAYLAVONG MD
NPI 1629249982
Emergency Medicine in Seattle, WA

Active since March 14, 2008PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
1550 N 115TH ST, SEATTLE, WA 98133(206) 368-1765 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2026, Sep 21, 2022, Jan 16, 2017 (3 updates tracked since 2017).

About Dr. Shani J Go-xaylavong Md NPPES

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

DR. SHANI J GO-XAYLAVONG MD (NPI 1629249982) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD.MD.60326634) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1629249982
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. SHANI J GO-XAYLAVONGCredential: MD
Location Address1550 N 115TH STSeattle, WA 98133-8401
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMarch 14, 2008
Last NPPES UpdateOctober 6, 20263 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1629249982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WA · MD.MD.60326634
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1550 N 115TH ST, Seattle, WA 98133

Other Names 1

Former Name (1)Shani J Xaylavong Md

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

Dr. Shani J Go-xaylavong 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 ID6204960479
PECOS Enrollment IDI20130305000478
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 Shani Go-xaylavong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
701 5TH AVE, SUITE 700
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 4,364 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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
227 services221 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
66 services65 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
36 services35 patients

Hospital Affiliations CMS Care Compare

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

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98133 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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
1550 N 115TH ST
SEATTLE, WA 98133
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Registered Nurse
1550 N 115TH ST
SEATTLE, WA 98133
Internal Medicine (Interventional Cardiology)
1550 N 115TH ST
SEATTLE, WA 98133
Anesthesiology
1550 N 115TH ST
SEATTLE, WA 98133
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Nurse Practitioner (Family)
1550 N 115TH ST
SEATTLE, WA 98133

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 Shani Go-xaylavong's NPI number?

The NPI number for Shani Go-xaylavong is 1629249982. It was assigned to this individual provider in the NPPES registry on March 14, 2008. The provider is also known as Shani J Xaylavong MD.

Where is Shani Go-xaylavong located?

Shani Go-xaylavong practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 368-1765.

What is Shani Go-xaylavong's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Shani Go-xaylavong enrolled in Medicare?

Yes. Shani Go-xaylavong 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 Shani Go-xaylavong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shani Go-xaylavong reassigns Medicare benefits to The Association Of University Physicians (Seattle, 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 Shani Go-xaylavong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shani Go-xaylavong accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Shani Go-xaylavong 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 Shani Go-xaylavong affiliated with any hospitals?

According to CMS data, Shani Go-xaylavong is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Shani Go-xaylavong was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.