JONATHAN WILLIAM DEWEES MD
NPI 1184917619
Emergency Medicine in Seattle, WA
About Jonathan William Dewees Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN WILLIAM DEWEES MD (NPI 1184917619) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD60628878) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jonathan William Dewees Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Jonathan Dewees reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98107
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Ballard Emergency Physicians Ps
- 43 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 190 clinicians in this Medicare group
Arlington, WA 98223
- Reassigned Medicare billing, Washington enrollment
- 519 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.
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.
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.
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 Jonathan Dewees's NPI number?
The NPI number for Jonathan Dewees is 1184917619. It was assigned to this individual provider in the NPPES registry on May 17, 2011.
Where is Jonathan Dewees located?
Jonathan Dewees practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 668-6727.
What is Jonathan Dewees's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jonathan Dewees enrolled in Medicare?
Yes. Jonathan Dewees is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jonathan Dewees's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Dewees reassigns Medicare benefits to 4 organizations: Ballard Emergency Physicians, P.S. (Seattle, WA), The Association Of University Physicians (Seattle, WA), Northwest Observation Associates PC (Federal Way, WA) and Northwest Emergency Physicians LLC (Arlington, WA). 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 Jonathan Dewees's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jonathan Dewees was last updated on April 20, 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.
# Jonathan William Dewees, MD · NPI 1184917619
Emergency Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 17, 2011.
## Identity
- **NPI:** 1184917619 (Entity type: Individual)
- **Enumerated:** May 17, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD60628878 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1550 N 115TH ST, Seattle, WA 98133-8401
- **Phone:** (206) 668-6727
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Ballard Emergency Physicians, P.S. (NPI 1619909256, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA); Northwest Observation Associates PC (NPI 1023539376, Federal Way, WA); Northwest Emergency Physicians LLC (NPI 1235172370, Arlington, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 20, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1184917619) · Data from the CMS NPPES public registry.