DR. MATTHEW PAUL MITCHELL BREWER D.O.
NPI 1780846709
Emergency Medicine in Emeryville, CA
About Dr. Matthew Paul Mitchell Brewer D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW PAUL MITCHELL BREWER D.O. (NPI 1780846709) is an individual emergency medicine provider in Emeryville, California, licensed in California (20A11689) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
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 and accepts Medicare assignment
Dr. Matthew Paul Mitchell Brewer D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Matthew Brewer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 112 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 94608 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EMERYVILLE, CA 94608
EMERYVILLE, CA 94608
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 Matthew Brewer's NPI number?
The NPI number for Matthew Brewer is 1780846709. It was assigned to this individual provider in the NPPES registry on June 30, 2008.
Where is Matthew Brewer located?
Matthew Brewer practices at 2100 Powell St Ste 900, Emeryville, CA 94608. The listed phone number is (510) 350-2600.
What is Matthew Brewer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Brewer enrolled in Medicare?
Yes. Matthew Brewer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Matthew Brewer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Brewer reassigns Medicare benefits to Em Alliance California, Apc (Murrieta, 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 Matthew Brewer'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 Matthew Brewer was last updated on July 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Matthew Paul Mitchell Brewer, D.O. · NPI 1780846709
Emergency Medicine physician in Emeryville, California. Individual provider, active in the CMS NPPES registry since June 30, 2008.
## Identity
- **NPI:** 1780846709 (Entity type: Individual)
- **Enumerated:** June 30, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 20A11689 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2100 POWELL ST STE 900, Emeryville, CA 94608-1844
- **Phone:** (510) 350-2600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Em Alliance California, Apc (NPI 1376305755, Murrieta, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** July 30, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1780846709) · Data from the CMS NPPES public registry.