Bryan Lee Chan, MD, MPH
Hematology & Oncology Physician · Torrance, CA
Bryan Lee Chan, MD, MPH is a hematology & oncology physician with a practice address in Torrance, California, and NPI 1518699982, issued on Jun 25, 2022. Check the license (California A189821, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bryan Lee Chan
- Credential
- MD, MPH
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A189821 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St, Torrance, CA 90502
- Phone
- (424) 306-4000
- Enumerated
- Jun 25, 2022
- Record last updated
- Jul 5, 2025
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 1000 W Carson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arjan AbarStudent in an Organized Health Care Education/Training Program1982309290
- Brenda Abarca, MDPsychiatry Physician1407485527
- Maleeha AbbasStudent in an Organized Health Care Education/Training Program1275203499
- Saamirah Abdul-MuminCommunity Health Worker1144683947
- Maria Elena AbedesAmbulatory Care Registered Nurse1184360992
- Hoda Abou-Ziab, PSYDClinical Psychologist1649618125
Verify Bryan Lee Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
326 Medicare Part D claims for 57 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium32 claims
- Metformin Hcl20 claims
- Lisinopril17 claims
- Metoprolol Succinate16 claims
- Ritonavir14 claims
- Basaglar Kwikpen U-10013 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.
Industry payments in 2024: $243.65
2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bryan Lee Chan among 1,583 hematology & oncology physician records in California
Bryan Lee Chan, MD, MPH is one of 1,583 hematology & 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 over 99% of them.
- NPI issued2022 · over 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 · 71% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Torrance → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Rowan Chlebowski, M.D., PHDTorrance, CA 905021902876386
- Marcin Dragan, M.D.Torrance, CA 905021508354358
- Charity Huang, MDTorrance, CA 905021891157657
- Andrew Hwang, MDTorrance, CA 905021154858694
- Jennifer Lee, M.D.Torrance, CA 905021164798062
- Yenmay LouTorrance, CA 905021679766042
- Yutaka Niihara, M.D.Torrance, CA 905021467480459
- Kouichi Tanaka, M.D.Torrance, CA 905021174677637
Common questions
What is Bryan Lee Chan, MD, MPH's NPI number?
Bryan Lee Chan, MD, MPH's National Provider Identifier (NPI) is 1518699982, issued on Jun 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Bryan Lee Chan, MD, MPH located?
The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90502. Phone: (424) 306-4000. Providers update this record themselves, so call before visiting.
How can I verify Bryan Lee Chan, MD, MPH's license?
NPPES lists California license number A189821, 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 Bryan Lee Chan, MD, MPH prescribe under Medicare Part D?
In 2024, Bryan Lee Chan, MD, MPH had 326 Medicare Part D claims for 57 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.