ERIC B NUSSBAUM MD
NPI 1205824729
Emergency Medicine in Seattle, WA
About Eric B Nussbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC B NUSSBAUM MD (NPI 1205824729) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD60107080) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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)
Eric B Nussbaum Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Eric Nussbaum reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Edmonds, WA 98026
- Reassigned Medicare billing, Washington enrollment
- 106 clinicians in this Medicare group
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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.
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.
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.
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 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 Eric Nussbaum's NPI number?
The NPI number for Eric Nussbaum is 1205824729. It was assigned to this individual provider in the NPPES registry on October 10, 2005.
Where is Eric Nussbaum located?
Eric Nussbaum practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 520-5000.
What is Eric Nussbaum's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Eric Nussbaum enrolled in Medicare?
Yes. Eric Nussbaum is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Eric Nussbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Nussbaum reassigns Medicare benefits to 4 organizations: Cep America LLC (Edmonds, WA), Kaiser Foundation Health Plan Of Washington (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 Eric Nussbaum'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 Eric Nussbaum was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Eric B Nussbaum, MD · NPI 1205824729
Emergency Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since October 10, 2005.
## Identity
- **NPI:** 1205824729 (Entity type: Individual)
- **Enumerated:** October 10, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD60107080 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1550 N 115TH ST, Seattle, WA 98133
- **Phone:** (206) 520-5000
## 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): Cep America LLC (NPI 1447484274, Edmonds, WA); Kaiser Foundation Health Plan Of Washington (NPI 1396810701, 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:** January 15, 2025
- **Other identifiers:** Medicaid 1205824729 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205824729) · Data from the CMS NPPES public registry.