JOHN MUIR TRAUMA PHYSICIANS BILLING SERVICE
NPI 1720137565
Hospitalist in Walnut Creek, CA
About John Muir Trauma Physicians Billing Service NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MUIR TRAUMA PHYSICIANS BILLING SERVICE (NPI 1720137565) is a healthcare organization registered as a hospitalist in Walnut Creek, California and active in the NPI registry since January 2007. The organization lists Mike Thomas, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Muir Trauma Physicians Billing Service is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
808Medicare enrollment records show 808 clinicians reassign Medicare billing to John Muir Trauma Physicians Billing Service, which bills Medicare for the services they deliver. Of these, 39 practice at this address and 415 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 44
Nearest to this location (20)
See all 808Walnut Creek, CA 94598
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 John Muir Trauma Physicians Billing Service's NPI number?
The NPI number for John Muir Trauma Physicians Billing Service is 1720137565. It was assigned to this organization in the NPPES registry on January 10, 2007.
Where is John Muir Trauma Physicians Billing Service located?
John Muir Trauma Physicians Billing Service is located at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 947-5331.
What is John Muir Trauma Physicians Billing Service's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is John Muir Trauma Physicians Billing Service enrolled in Medicare?
Yes. John Muir Trauma Physicians Billing Service is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John Muir Trauma Physicians Billing Service?
According to the CMS Revalidation Reassignment List (October 2026 release), 808 clinicians in 44 Medicare specialties reassign their Medicare billing to John Muir Trauma Physicians Billing Service. 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 Anesthesiology (171), Diagnostic Radiology (146) and Internal Medicine (89). Of these, 39 practice at this address and 415 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for John Muir Trauma Physicians Billing Service was last updated on February 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# John Muir Trauma Physicians Billing Service · NPI 1720137565
Hospitalist organization in Walnut Creek, California. Organization record, active in the CMS NPPES registry since January 10, 2007.
## Identity
- **NPI:** 1720137565 (Entity type: Organization)
- **Enumerated:** January 10, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Organization subpart:** Yes (part of John Muir Heath)
- **Authorized official:** Mike Thomas, CEO
## Practice location
- **Address:** 1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598-3122
- **Phone:** (925) 947-5331 · **Fax:** (925) 941-2177
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 808 clinicians in 44 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (171), Diagnostic Radiology (146), Internal Medicine (89); 39 practice at this address and 415 within 10 miles; [full list](https://npiprofile.com/npi/1720137565/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 23, 2023
- **Other identifiers:** Medicaid GR002814D (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1720137565) · Data from the CMS NPPES public registry.