Yenmay Lou
Hematology & Oncology Physician · Torrance, CA
Yenmay Lou is a hematology & oncology physician with a practice address in Torrance, California, and NPI 1679766042, issued on Aug 20, 2007. Check the license (California A85454, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yenmay Lou
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A85454 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St # J3, Torrance, CA 90502
- Phone
- (310) 222-2217
- Enumerated
- Aug 20, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081218000266); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2002
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Yenmay Lou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,247 Medicare Part D claims for 202 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 66 claims were for opioids.
Most prescribed
- Dexamethasone124 claims
- Anastrozole119 claims
- Abiraterone Acetate113 claims
- Prednisone111 claims
- Lenalidomide58 claims
- Tagrisso47 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupHarbor City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yenmay Lou among 1,583 hematology & oncology physician records in California
Yenmay Lou 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2003 among the 1,124 with a school on file
- Record last updated2021 · 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
- Bryan Chan, MD, MPHTorrance, CA 905021518699982
- 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
- Yutaka Niihara, M.D.Torrance, CA 905021467480459
- Kouichi Tanaka, M.D.Torrance, CA 905021174677637
Common questions
What is Yenmay Lou's NPI number?
Yenmay Lou's National Provider Identifier (NPI) is 1679766042, issued on Aug 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yenmay Lou located?
The NPPES record lists a practice address at 1000 W Carson St # J3, Torrance, CA, 90502. Phone: (310) 222-2217. Providers update this record themselves, so call before visiting.
How can I verify Yenmay Lou's license?
NPPES lists California license number A85454, 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 Yenmay Lou prescribe under Medicare Part D?
In 2024, Yenmay Lou had 1,247 Medicare Part D claims for 202 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.