Brynn Julie Duerden, M.D.
Emergency Medicine Physician · San Diego, CA
Brynn Julie Duerden, M.D. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1528232154, issued on Apr 15, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brynn Julie Duerden
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD 2011 0166 NM
Self-reported in NPPES; status is on the state search - Practice location
- 5285 Toscana Way Apt 8410, San Diego, CA 92122
- Phone
- (808) 419-8102
- Enumerated
- Apr 15, 2008
- Record last updated
- Jan 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161031001517); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Brynn Julie Duerden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average emergency medicine physician in 2024
86 Medicare Part D claims for 63 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Emergency Physicians Integrated Care LLCTooele, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brynn Julie Duerden among 7,751 emergency medicine physician records in California
Brynn Julie Duerden, M.D. 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 updated2013 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joseph Bellezzo, M.D.San Diego, CA 921231760450340
- Eli BesserSan Diego, CA 921211659843738
- William Carter, M.D.San Diego, CA 921231457329062
- Dennis Chan, M.D.San Diego, CA 921211366410912
- William Christiansen, M.D.San Diego, CA 921211831107952
- Delbert Clark, D.O.San Diego, CA 921231194799593
- David Clark, M.D.San Diego, CA 921211225046196
- Heather Conrad, M.D.San Diego, CA 921231205813409
Common questions
What is Brynn Julie Duerden, M.D.'s NPI number?
Brynn Julie Duerden, M.D.'s National Provider Identifier (NPI) is 1528232154, issued on Apr 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Brynn Julie Duerden, M.D. located?
The NPPES record lists a practice address at 5285 Toscana Way Apt 8410, San Diego, CA, 92122. Phone: (808) 419-8102. Providers update this record themselves, so call before visiting.
How can I verify Brynn Julie Duerden, M.D.'s license?
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 Brynn Julie Duerden, M.D. prescribe under Medicare Part D?
In 2024, Brynn Julie Duerden, M.D. had 86 Medicare Part D claims for 63 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Brynn Julie Duerden, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.