William S. Kurohara, M.D.
Radiation Oncology Physician · Whittier, CA
William S. Kurohara, M.D. is a radiation oncology physician with a practice address in Whittier, California, and NPI 1073665618, issued on Jan 16, 2007. Check the license (California G62716, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William S. Kurohara
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- G62716 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12393 Washington Blvd, Whittier, CA 90606
- Phone
- (562) 696-5964
- Enumerated
- Jan 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 693-5940
- Medicaid ID
- 00G627160 CA
- Medicare enrollment
- Enrolled (PECOS I20130115000225); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 12393 Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Diao, MDRadiation Oncology Physician1578067260
- Jeffrey Yuen, M.D.Radiation Oncology Physician1831241751
Verify William S. Kurohara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G62716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average radiation oncology physician in 2024
18 Medicare Part D claims for 14 beneficiaries, 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.
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).
William S. Kurohara among 735 radiation oncology physician records in California
William S. Kurohara, M.D. 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1986 · median 2005 among the 545 with a school on file
- Record last updated2007 · 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
- Jeffrey Yuen, M.D.Whittier, CA 906061831241751
- Richard Li, MDWhittier, CA 906021174973739
- John Thropay, M.D.Montebello, CA 906401427128073
- Abhishek Kumar, MDCerritos, CA 907031043847114
- Rebecca Philipson, M.D.Torrance, CA 905051184079766
- Andrew Schumacher, M.D.Torrance, CA 905051023457173
- Thomas Simko, MDTorrance, CA 905051558382465
Common questions
What is William S. Kurohara, M.D.'s NPI number?
William S. Kurohara, M.D.'s National Provider Identifier (NPI) is 1073665618, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William S. Kurohara, M.D. located?
The NPPES record lists a practice address at 12393 Washington Blvd, Whittier, CA, 90606. Phone: (562) 696-5964. Providers update this record themselves, so call before visiting.
How can I verify William S. Kurohara, M.D.'s license?
NPPES lists California license number G62716, 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 William S. Kurohara, M.D. prescribe under Medicare Part D?
In 2024, William S. Kurohara, M.D. had 18 Medicare Part D claims for 14 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.