David Rajakone Rajaratnam, M.D
Vascular & Interventional Radiology Physician · Fontana, CA
David Rajakone Rajaratnam, M.D is a vascular & interventional radiology physician with a practice address in Fontana, California, and NPI 1235496001, issued on Apr 18, 2012. Check the license (California A127228, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Rajakone Rajaratnam
- Credential
- M.D
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License number
- A127228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5000
- Enumerated
- Apr 18, 2012
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171214003140); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 599 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify David Rajakone Rajaratnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A127228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024
15 Medicare Part D claims, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clopidogrel14 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: $151.67
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Rajakone Rajaratnam among 599 vascular & interventional radiology physician records in California
David Rajakone Rajaratnam, M.D is one of 599 vascular & interventional radiology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 67% of them.
- NPI issued2012 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2011 · median 2007 among the 497 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in California
There are 599 vascular & interventional radiology physician records in California.
All 599 in California → Every provider in Fontana → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Samuel Ahn, MDFontana, CA 923351942286661
- Daksha Bhansali, MDFontana, CA 923351952478851
- John D'Abreo, MDFontana, CA 923351588712533
- Gregory Havlena, MDFontana, CA 923351598993859
- Sam Kim, MDFontana, CA 923351184776569
- Vicente Pierantoni, MDFontana, CA 923351144428475
- Long Vu, MDFontana, CA 923351417024308
- Ricardo Escobar, PA-CLoma Linda, CA 923501306557608
Common questions
What is David Rajakone Rajaratnam, M.D's NPI number?
David Rajakone Rajaratnam, M.D's National Provider Identifier (NPI) is 1235496001, issued on Apr 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Rajakone Rajaratnam, M.D located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.
How can I verify David Rajakone Rajaratnam, M.D's license?
NPPES lists California license number A127228, 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 David Rajakone Rajaratnam, M.D prescribe under Medicare Part D?
In 2024, David Rajakone Rajaratnam, M.D had 15 Medicare Part D claims; the average among vascular & interventional radiology physician prescribers was 75. 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.