John R. Brazil, MD
Emergency Medicine Physician · Napa, CA
John R. Brazil, MD is an emergency medicine physician with a practice address in Napa, California, and NPI 1801545900, issued on Mar 23, 2022. Check the license (California A187654, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John R. Brazil
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A187654 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Trancas St, Napa, CA 94558
- Phone
- (707) 489-0021
- Enumerated
- Mar 23, 2022
- Record last updated
- Feb 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20251203001093); accepts Medicare assignment
- Medical or professional school
- California University Of Science And Medicine, 2022
- Entity
- Type 1 · individual
Also registered at 1000 Trancas St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John R. Brazil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average emergency medicine physician in 2024
75 Medicare Part D claims for 52 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Napa Valley Emergency Medical GroupSonoma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
Other emergency medicine physician records in California
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Common questions
What is John R. Brazil, MD's NPI number?
John R. Brazil, MD's National Provider Identifier (NPI) is 1801545900, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John R. Brazil, MD located?
The NPPES record lists a practice address at 1000 Trancas St, Napa, CA, 94558. Phone: (707) 489-0021. Providers update this record themselves, so call before visiting.
How can I verify John R. Brazil, MD's license?
NPPES lists California license number A187654, 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 John R. Brazil, MD prescribe under Medicare Part D?
In 2024, John R. Brazil, MD had 75 Medicare Part D claims for 52 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.