NPPES file of Aug 9, 2026

Brian Yunon Feng, D.O

Emergency Medicine Physician · Torrance, CA

Brian Yunon Feng, D.O is an emergency medicine physician with a practice address in Torrance, California, and NPI 1508245473, issued on May 26, 2015. Check the license (California 20A17160, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508245473
Name
Brian Yunon Feng
Credential
D.O
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A17160 CA
Self-reported in NPPES; status is on the state search
Practice location
4820 Highgrove Ave, Torrance, CA 90505
Phone
(310) 357-0828
Enumerated
May 26, 2015
Record last updated
Jun 3, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Brian Yunon Feng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17160
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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27% more Medicare Part D claims than the average emergency medicine physician in 2024

287 Medicare Part D claims for 205 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Brian Feng287
  2. Specialty average226

Most prescribed

  1. Tramadol Hcl30 claims
  2. Ondansetron Odt19 claims
  3. Amoxicillin-Clavulanate Potass16 claims
  4. Azithromycin15 claims
  5. Cephalexin14 claims
  6. Sulfamethoxazole-Trimethoprim13 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.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Brian Yunon Feng among 7,751 emergency medicine physician records in California

Brian Yunon Feng, 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 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 fileNo · 59% of these records are
  • Record last updated2019 · 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).

197 emergency medicine physician records list a practice address in Torrance

They are 197 of the 8,901 NPPES records with a practice address in Torrance, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Elisa Anhalt, MDTorrance, CA 905051194773424
  2. Ellen BakerTorrance, CA 905051588612477
  3. Michael Baker, MDTorrance, CA 905051922030238
  4. Darren Bedolla, MDTorrance, CA 905051114956299
  5. Mark Gellman, DOTorrance, CA 905051669493375
  6. Robert Gibbs, MDTorrance, CA 905051043326366
  7. Kane Kuo, M.D.Torrance, CA 905051588600993
  8. Brett Lorber, MDTorrance, CA 905051225148042

Common questions

What is Brian Yunon Feng, D.O's NPI number?

Brian Yunon Feng, D.O's National Provider Identifier (NPI) is 1508245473, issued on May 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Brian Yunon Feng, D.O located?

The NPPES record lists a practice address at 4820 Highgrove Ave, Torrance, CA, 90505. Phone: (310) 357-0828. Providers update this record themselves, so call before visiting.

How can I verify Brian Yunon Feng, D.O's license?

NPPES lists California license number 20A17160, 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 Yunon Feng, D.O prescribe under Medicare Part D?

In 2024, Brian Yunon Feng, D.O had 287 Medicare Part D claims for 205 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Brian Yunon Feng, D.O'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.