Brittney Lynn Chau, MD
Radiation Oncology Physician · Los Angeles, CA
Brittney Lynn Chau, MD is a radiation oncology physician with a practice address in Los Angeles, California, and NPI 1558011676, issued on Mar 24, 2022. Check the license (California A189295, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brittney Lynn Chau
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A189295 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 N State St # A1B130, Los Angeles, CA 90033
- Phone
- (323) 409-5010
- Enumerated
- Mar 24, 2022
- Record last updated
- Sep 9, 2024
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Verify Brittney Lynn Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average radiation oncology physician in 2024
25 Medicare Part D claims, against an average of 134 among the 4,851 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.
Industry payments in 2024: $311.92
2 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 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.
Brittney Lynn Chau among 735 radiation oncology physician records in California
Brittney Lynn Chau, MD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 99% of them.
- NPI issued2022 · 99% of these records are older, under 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Los Angeles → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Fahad Momin, CMDLos Angeles, CA 900331033877048
- Onita Bhattasali, M.D., M.P.H.Los Angeles, CA 900271710306592
- Darlene Bugoci, M.D.Los Angeles, CA 900271295980308
- Hanako Farol, D.O.Los Angeles, CA 900271013201789
- Sun Gim, MDLos Angeles, CA 900271093915670
- Jeannie Han, MDLos Angeles, CA 900271093995870
- Shahrokh Iganej, MDLos Angeles, CA 900271306905906
- Winston Lien, MDLos Angeles, CA 900271255490991
Common questions
What is Brittney Lynn Chau, MD's NPI number?
Brittney Lynn Chau, MD's National Provider Identifier (NPI) is 1558011676, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brittney Lynn Chau, MD located?
The NPPES record lists a practice address at 1100 N State St # A1B130, Los Angeles, CA, 90033. Phone: (323) 409-5010. Providers update this record themselves, so call before visiting.
How can I verify Brittney Lynn Chau, MD's license?
NPPES lists California license number A189295, 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 Brittney Lynn Chau, MD prescribe under Medicare Part D?
In 2024, Brittney Lynn Chau, MD had 25 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. 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.