DR. WILLIAM COLLIN SCHENK MD
NPI 1992053011
Family Medicine in Seattle, WA
About Dr. William Collin Schenk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM COLLIN SCHENK MD (NPI 1992053011) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD60958120) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of University Of Pittsburgh School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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. William Collin Schenk 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.
Medicare Billing Reassignments
4Medicare enrollment records show William Schenk reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Seattle, WA 98108
- Reassigned Medicare billing, Washington enrollment
- 525 clinicians in this Medicare group
Auburn, WA 98002
- Reassigned Medicare billing, Washington enrollment
- 7 clinicians in this Medicare group
Kodiak, AK 99615
- Reassigned Medicare billing, Alaska enrollment
- 18 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98104
SEATTLE, WA 98104
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 William Schenk's NPI number?
The NPI number for William Schenk is 1992053011. It was assigned to this individual provider in the NPPES registry on August 21, 2012.
Where is William Schenk located?
William Schenk practices at 515 Minor Ave Ste 170, Seattle, WA 98104. The listed phone number is (206) 320-7288.
What is William Schenk's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Schenk enrolled in Medicare?
Yes. William Schenk 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 organizations bill Medicare for William Schenk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Schenk reassigns Medicare benefits to 4 organizations: Swedish Health Services (Seattle, WA), Sea Mar Community Health Centers (Seattle, WA), We Care Daily Clinics LLC (Auburn, WA) and Kodiak Island Health Care Foundation (Kodiak, AK). 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 William Schenk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Schenk accept?
Health plans from Ambetter Health, Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Schenk 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 William Schenk affiliated with any hospitals?
According to CMS data, William Schenk is affiliated with Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for William Schenk was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. William Collin Schenk, MD · NPI 1992053011
Family Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since August 21, 2012.
## Identity
- **NPI:** 1992053011 (Entity type: Individual)
- **Enumerated:** August 21, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD60958120 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 515 MINOR AVE STE 170, Seattle, WA 98104-2133
- **Phone:** (206) 320-7288 · **Fax:** (206) 320-7289
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Swedish Health Services (NPI 1689612954, Seattle, WA); Sea Mar Community Health Centers (NPI 1962588426, Seattle, WA); We Care Daily Clinics LLC (NPI 1326502865, Auburn, WA); Kodiak Island Health Care Foundation (NPI 1326047044, Kodiak, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** March 17, 2026
- **Other identifiers:** Medicaid 1992053011 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1992053011) · Data from the CMS NPPES public registry.