DBA: GATEWAY SURGERY CENTER
NPI 1013138536
Clinic/Center - Ambulatory Surgical in Everett, WA
About Dba: Gateway Surgery Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DBA: GATEWAY SURGERY CENTER (NPI 1013138536) is a healthcare organization registered as an ambulatory surgical in Everett, Washington and active in the NPI registry since May 2007. The organization lists Kathline H. Sullivan, Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dba: Gateway Surgery Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
323Medicare enrollment records show 323 clinicians reassign Medicare billing to Dba: Gateway Surgery Center, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 74 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 24
Nearest to this location (20)
See all 323Source: 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 5
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.
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 Western Washington Medical Group, Inc, Ps's NPI number?
The NPI number for Western Washington Medical Group, Inc, Ps is 1013138536. It was assigned to this organization in the NPPES registry on May 1, 2007. The provider is doing business as Dba: Gateway Surgery Center.
Where is Western Washington Medical Group, Inc, Ps located?
Western Washington Medical Group, Inc, Ps is located at 3726 Broadway Suite 206, Everett, WA 98201. The listed phone number is (425) 374-5160.
What is Western Washington Medical Group, Inc, Ps's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.
Is Western Washington Medical Group, Inc, Ps enrolled in Medicare?
Yes. Western Washington Medical Group, Inc, Ps is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Western Washington Medical Group, Inc, Ps?
According to the CMS Revalidation Reassignment List (October 2026 release), 323 clinicians in 24 Medicare specialties reassign their Medicare billing to Western Washington Medical Group, Inc, Ps. A 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 the clinician's services. The largest specialties are Anesthesiology (194), Certified Registered Nurse Anesthetist (CRNA) (35) and Nurse Practitioner (25). Of these, 7 practice at this address and 74 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Western Washington Medical Group, Inc, Ps accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Western Washington Medical Group, Inc, Ps 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 Western Washington Medical Group, Inc, Ps was last updated on October 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Dba: Gateway Surgery Center · NPI 1013138536
Ambulatory Surgical organization in Everett, Washington. Organization record, active in the CMS NPPES registry since May 1, 2007.
## Identity
- **NPI:** 1013138536 (Entity type: Organization)
- **Enumerated:** May 1, 2007
- **Primary specialty:** Clinic/Center - Ambulatory Surgical · taxonomy 261QA1903X
- **Legal business name:** Western Washington Medical Group, Inc, Ps
- **Organization subpart:** No
- **Authorized official:** Kathline Sullivan, ADMINISTRATOR
## Practice location
- **Address:** 3726 BROADWAY SUITE 206, Everett, WA 98201-3787
- **Phone:** (425) 374-5160 · **Fax:** (425) 374-5161
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 323 clinicians in 24 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (194), Certified Registered Nurse Anesthetist (CRNA) (35), Nurse Practitioner (25); 7 practice at this address and 74 within 10 miles; [full list](https://npiprofile.com/npi/1013138536/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 29, 2018
- **Other identifiers:** Medicaid 7139009 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1013138536) · Data from the CMS NPPES public registry.