DR. JEFFREY C RIDDELL M.D.
NPI 1821387192
Emergency Medicine in Seattle, WA
About Dr. Jeffrey C Riddell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY C RIDDELL M.D. (NPI 1821387192) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD60538249) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jeffrey C Riddell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jeffrey Riddell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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 98195 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 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Jeffrey Riddell's NPI number?
The NPI number for Jeffrey Riddell is 1821387192. It was assigned to this individual provider in the NPPES registry on April 7, 2011.
Where is Jeffrey Riddell located?
Jeffrey Riddell practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 598-4260.
What is Jeffrey Riddell's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jeffrey Riddell enrolled in Medicare?
Yes. Jeffrey Riddell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jeffrey Riddell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Riddell reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). 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 Jeffrey Riddell'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 Jeffrey Riddell was last updated on September 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Jeffrey C Riddell, M.D. · NPI 1821387192
Emergency Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 7, 2011.
## Identity
- **NPI:** 1821387192 (Entity type: Individual)
- **Enumerated:** April 7, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD60538249 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1959 NE PACIFIC ST, Seattle, WA 98195-0001
- **Phone:** (206) 598-4260
## 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:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 10, 2015
- **Other identifiers:** Medicare PIN 8941844
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Source: [NPI Profile](https://npiprofile.com/npi/1821387192) · Data from the CMS NPPES public registry.