Western Washington Medical Group, Inc, Ps
NPI 1013138536 · Ambulatory Surgical Clinic/Center · Everett, WA
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Western Washington Medical Group, Inc, Ps is a Ambulatory Surgical Clinic/Center organization in Everett, WA (NPI 1013138536).
Provider details
- NPI number
- 1013138536
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Kathline Sullivan, Administrator(425) 374-5176
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,615 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection, Bupivacaine Liposome, 1 MgC9290 | 2,528 | $1 |
| Release of Wrist Ligament Using an Endoscope29848 | 29 | $803 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 26 | $468 |
| Incision of Tendon Covering of Finger26055 | 19 | $659 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047 | 13 | $3,377 |
Typical Medicare-allowed amounts for these services range $1–$3,377 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Dba: Gateway Surgery Center
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2018-10-29
Frequently asked questions
- What is Western Washington Medical Group, Inc, Ps's NPI number?
- Western Washington Medical Group, Inc, Ps's National Provider Identifier (NPI) is 1013138536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Western Washington Medical Group, Inc, Ps?
- Western Washington Medical Group, Inc, Ps is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Western Washington Medical Group, Inc, Ps located?
- Western Washington Medical Group, Inc, Ps's practice location on file with NPPES is 3726 Broadway Suite 206, Everett, WA 98201-3787.
- What is Western Washington Medical Group, Inc, Ps's phone number?
- The practice phone number listed in the NPPES registry for Western Washington Medical Group, Inc, Ps is (425) 374-5160.
- Does Western Washington Medical Group, Inc, Ps accept Medicare?
- Western Washington Medical Group, Inc, Ps is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Western Washington Medical Group, Inc, Ps?
- The authorized official listed on Western Washington Medical Group, Inc, Ps's NPPES record is Kathline Sullivan, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Western Washington Medical Group, Inc, Ps's NPI active?
- Yes — Western Washington Medical Group, Inc, Ps's NPI (1013138536) is active in the NPPES registry as of the last update on 2018-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.