Radhika Sreeraman Kumar, M.D.
Radiation Oncology Physician · Santa Clara, CA
Radhika Sreeraman Kumar, M.D. is a radiation oncology physician with a practice address in Santa Clara, California, and NPI 1265711394, issued on Aug 7, 2011. Check the license (California C209554, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Radhika Sreeraman Kumar
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- C209554 CA
076571 GA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Homestead RD, Santa Clara, CA 95051
- Phone
- (408) 851-8000
- Enumerated
- Aug 7, 2011
- Record last updated
- Jul 19, 2026
- Medicaid ID
- 003179047 GA
- Medicare enrollment
- Enrolled (PECOS I20160729002151); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 3800 Homestead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Hastings, MD, MPHRadiation Oncology Physician1194815134
- Anita Lee, MDRadiation Oncology Physician1790773448
- Christy McCulloch, LCSWClinical Social Worker1932149861
- Anzonette Pittet, R.D.Registered Dietitian1922277573
- Jagdeep Raince, MDRadiation Oncology Physician1417236274
Verify Radhika Sreeraman Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C209554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average radiation oncology physician in 2024
186 Medicare Part D claims for 89 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 11 claims were for opioids.
Most prescribed
- Tamsulosin Hcl82 claims
- Dexamethasone13 claims
- Silodosin11 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
- Therapeutic Radiation Oncology, PCFayetteville, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radhika Sreeraman Kumar among 735 radiation oncology physician records in California
Radhika Sreeraman Kumar, 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 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2011 · median 2005 among the 545 with a school on file
- Record last updated2026 · 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 Santa Clara → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Benjamin Fisch, MDSanta Clara, CA 950511922185859
- Joseph Hastings, MD, MPHSanta Clara, CA 950511194815134
- Anita Lee, MDSanta Clara, CA 950511790773448
- Wilson Mai, MD, PHDSanta Clara, CA 950511285210633
- Brian Missett, MDSanta Clara, CA 950511679651251
- Subir Nag, MDSanta Clara, CA 950511962552778
- Jagdeep Raince, MDSanta Clara, CA 950511417236274
- Samantha Seaward, MDSanta Clara, CA 950511790862621
Common questions
What is Radhika Sreeraman Kumar, M.D.'s NPI number?
Radhika Sreeraman Kumar, M.D.'s National Provider Identifier (NPI) is 1265711394, issued on Aug 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Radhika Sreeraman Kumar, M.D. located?
The NPPES record lists a practice address at 3800 Homestead RD, Santa Clara, CA, 95051. Phone: (408) 851-8000. Providers update this record themselves, so call before visiting.
How can I verify Radhika Sreeraman Kumar, M.D.'s license?
NPPES lists California license number C209554, 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 Radhika Sreeraman Kumar, M.D. prescribe under Medicare Part D?
In 2024, Radhika Sreeraman Kumar, M.D. had 186 Medicare Part D claims for 89 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.