Brian Ichwan
Emergency Medicine Physician · Duarte, CA
Brian Ichwan is an emergency medicine physician with a practice address in Duarte, California, and NPI 1457748287, issued on Apr 20, 2015. Check the license (California A143753, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian Ichwan
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A143753 CA
Self-reported in NPPES; status is on the state search - Practice location
- 939 Swiss Trl, Duarte, CA 91010
- Phone
- (626) 429-7036
- Enumerated
- Apr 20, 2015
- Record last updated
- Sep 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170519002006); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 939 Swiss Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brannon IchwanPharmacist1366315566
Verify Brian Ichwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average emergency medicine physician in 2024
403 Medicare Part D claims for 259 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
- Cephalexin69 claims
- Ibuprofen67 claims
- Prednisone42 claims
- Ondansetron Odt41 claims
- Hydrocodone-Acetaminophen23 claims
- Albuterol Sulfate Hfa17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 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
- Cep America - CaliforniaModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Ichwan among 7,751 emergency medicine physician records in California
Brian Ichwan 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2011 among the 4,560 with a school on file
- Record last updated2018 · 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 Duarte → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jesse Gentiluomo, M.D.Duarte, CA 910101225371313
- Arslan Hanif, M.D.Duarte, CA 910101124330766
- Jeffrey Wade, MDDuarte, CA 910101093773616
- Charmaine Bobo, M.D.Arcadia, CA 910071366478117
- Rebecca Boyer, MDArcadia, CA 910071235691999
- James Burke, M.D.Arcadia, CA 910071285675454
- Mayra CruzArcadia, CA 910071134623085
- Steven Goldberg, MDArcadia, CA 910071760426464
Common questions
What is Brian Ichwan's NPI number?
Brian Ichwan's National Provider Identifier (NPI) is 1457748287, issued on Apr 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Brian Ichwan located?
The NPPES record lists a practice address at 939 Swiss Trl, Duarte, CA, 91010. Phone: (626) 429-7036. Providers update this record themselves, so call before visiting.
How can I verify Brian Ichwan's license?
NPPES lists California license number A143753, 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 Brian Ichwan prescribe under Medicare Part D?
In 2024, Brian Ichwan had 403 Medicare Part D claims for 259 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Brian Ichwan's MIPS final score?
The 2023 MIPS final score is 94.6 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.