Matthew Paul Mitchell Brewer, D.O.
Emergency Medicine Physician · Emeryville, CA
Matthew Paul Mitchell Brewer, D.O. is an emergency medicine physician with a practice address in Emeryville, California, and NPI 1780846709, issued on Jun 30, 2008. Check the license (California 20A11689, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Paul Mitchell Brewer
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20A11689 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Powell St Ste 900, Emeryville, CA 94608
- Phone
- (510) 350-2600
- Enumerated
- Jun 30, 2008
- Record last updated
- Jul 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120504000390); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2100 Powell St Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rougeh Awad, FNPFamily Nurse Practitioner1831482991
- Leanne Beckstrom, PA-CPhysician Assistant1437636313
- Susan Bertelsen, P.A.-C.Physician Assistant1790809739
- Gadiel Escobedo, FNP-BCEmergency Medicine Physician1902362155
- Kathryn Hall-Boyer, MDEmergency Medicine Physician1144240201
- John Hardin, PACPhysician Assistant1215032982
Verify Matthew Paul Mitchell Brewer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average emergency medicine physician in 2024
218 Medicare Part D claims for 146 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Ibuprofen26 claims
- Cefpodoxime Proxetil19 claims
- Doxycycline Hyclate19 claims
- Tramadol Hcl18 claims
- Hydrocodone-Acetaminophen13 claims
- Ondansetron Odt12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $19.70
1 payment: food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- EM Alliance California ApcWildomar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Paul Mitchell Brewer among 7,751 emergency medicine physician records in California
Matthew Paul Mitchell Brewer, D.O. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2008 · median 2011 among the 4,560 with a school on file
- Record last updated2012 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 emergency medicine physician records list a practice address in Emeryville
They are 32 of the 703 NPPES records with a practice address in Emeryville, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Emeryville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Doyan, M.D.Emeryville, CA 946081992740765
- Kathryn Hall-Boyer, MDEmeryville, CA 946081144240201
- Robert Huxol, DOEmeryville, CA 946081477509461
- Robert Kim, MDEmeryville, CA 946081851444384
- Anne Ledvina, MDEmeryville, CA 946081932271954
- Jeffery Leinen, M.D.Emeryville, CA 946081114983244
- Guisou MahmoudEmeryville, CA 946081164435996
- Todd McGregor, MDEmeryville, CA 946081427106400
Common questions
What is Matthew Paul Mitchell Brewer, D.O.'s NPI number?
Matthew Paul Mitchell Brewer, D.O.'s National Provider Identifier (NPI) is 1780846709, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Paul Mitchell Brewer, D.O. located?
The NPPES record lists a practice address at 2100 Powell St Ste 900, Emeryville, CA, 94608. Phone: (510) 350-2600. Providers update this record themselves, so call before visiting.
How can I verify Matthew Paul Mitchell Brewer, D.O.'s license?
NPPES lists California license number 20A11689, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Paul Mitchell Brewer, D.O. prescribe under Medicare Part D?
In 2024, Matthew Paul Mitchell Brewer, D.O. had 218 Medicare Part D claims for 146 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.