MT. RAINIER EMERGENCY PHYSICIANS, PLLC
NPI 1538104476
Emergency Medicine in Puyallup, WA
About Mt. Rainier Emergency Physicians, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MT. RAINIER EMERGENCY PHYSICIANS, PLLC (NPI 1538104476) is a healthcare organization registered as an emergency medicine in Puyallup, Washington and active in the NPI registry since June 2006. The organization lists Michael P Brook, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mt. Rainier Emergency Physicians, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
42Medicare enrollment records show 42 clinicians reassign Medicare billing to Mt. Rainier Emergency Physicians, PLLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 42Tacoma, WA 98431
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mt. Rainier Emergency Physicians, PLLC's NPI number?
The NPI number for Mt. Rainier Emergency Physicians, PLLC is 1538104476. It was assigned to this organization in the NPPES registry on June 17, 2006.
Where is Mt. Rainier Emergency Physicians, PLLC located?
Mt. Rainier Emergency Physicians, PLLC is located at 401 15th Ave SE, Puyallup, WA 98372. The listed phone number is (253) 697-4000.
What is Mt. Rainier Emergency Physicians, PLLC's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mt. Rainier Emergency Physicians, PLLC enrolled in Medicare?
Yes. Mt. Rainier Emergency Physicians, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mt. Rainier Emergency Physicians, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 42 clinicians in 3 Medicare specialties reassign their Medicare billing to Mt. Rainier Emergency Physicians, PLLC. A 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 the clinician's services. The largest specialties are Emergency Medicine (36), Nurse Practitioner (5) and Osteopathic Manipulative Medicine (1). Of these, 3 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mt. Rainier Emergency Physicians, PLLC accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Mt. Rainier Emergency Physicians, PLLC 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.
When was this NPI record last updated?
The NPPES record for Mt. Rainier Emergency Physicians, PLLC was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.
# Mt. Rainier Emergency Physicians, Pllc · NPI 1538104476
Emergency Medicine organization in Puyallup, Washington. Organization record, active in the CMS NPPES registry since June 17, 2006.
## Identity
- **NPI:** 1538104476 (Entity type: Organization)
- **Enumerated:** June 17, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Michael Brook, OWNER
## Practice location
- **Address:** 401 15TH AVE SE, Puyallup, WA 98372-3715
- **Phone:** (253) 697-4000 · **Fax:** (253) 770-5990
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 42 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (36), Nurse Practitioner (5), Osteopathic Manipulative Medicine (1); 3 practice at this address and 11 within 10 miles; [full list](https://npiprofile.com/npi/1538104476/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 1, 2026
- **Other identifiers:** Medicaid 7121361 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1538104476) · Data from the CMS NPPES public registry.