Richard Jay Li, MD
Radiation Oncology Physician · Whittier, CA
Richard Jay Li, MD is a radiation oncology physician with a practice address in Whittier, California, and NPI 1174973739, issued on Jun 15, 2016. Check the license (California A151481, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Jay Li
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- A151481 CA
268074 MA
Self-reported in NPPES; status is on the state search - Practice location
- 12401 Washington Blvd, Whittier, CA 90602
- Phone
- (562) 698-0811
- Enumerated
- Jun 15, 2016
- Record last updated
- May 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230703000215); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 12401 Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anas Abu-Khader, MDInternal Medicine Physician1881180784
- Johanna Aceves, NPNurse Practitioner1841415502
- Kariann Akiyama, MS, RDN, CNSCRegistered Dietitian1639870009
- Syed Ali, MDAnesthesiology Physician1295775625
- Jamee Ambariantz, PAPhysician Assistant1790726123
- Talin Azilazyan, PHARMDPharmacist1700739372
Verify Richard Jay Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A151481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average radiation oncology physician in 2024
54 Medicare Part D claims for 35 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl24 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
- Whittier Oncology Medical Clinic IncWhittier, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Jay Li among 735 radiation oncology physician records in California
Richard Jay Li, 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 2016, is newer than 84% of them.
- NPI issued2016 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2005 among the 545 with a school on file
- Record last updated2021 · 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 Whittier → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Kevin Diao, MDWhittier, CA 906061578067260
- William Kurohara, M.D.Whittier, CA 906061073665618
- Jeffrey Yuen, M.D.Whittier, CA 906061831241751
- John Thropay, M.D.Montebello, CA 906401427128073
- Rebecca Philipson, M.D.Torrance, CA 905051184079766
- Andrew Schumacher, M.D.Torrance, CA 905051023457173
- Thomas Simko, MDTorrance, CA 905051558382465
- Samuel Zhang, MDTorrance, CA 905051295354702
Common questions
What is Richard Jay Li, MD's NPI number?
Richard Jay Li, MD's National Provider Identifier (NPI) is 1174973739, issued on Jun 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Richard Jay Li, MD located?
The NPPES record lists a practice address at 12401 Washington Blvd, Whittier, CA, 90602. Phone: (562) 698-0811. Providers update this record themselves, so call before visiting.
How can I verify Richard Jay Li, MD's license?
NPPES lists California license number A151481, 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 Richard Jay Li, MD prescribe under Medicare Part D?
In 2024, Richard Jay Li, MD had 54 Medicare Part D claims for 35 beneficiaries; 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.