Matthew K. Rajaratnam, MD
Student in an Organized Health Care Education/Training Program · Santa Clara, CA
Matthew K. Rajaratnam, MD is a student in an organized health care education/training program with a practice address in Santa Clara, California, and NPI 1497404016, issued on Mar 21, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew K. Rajaratnam
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 700 Lawrence Expy Dept B07, Santa Clara, CA 95051
- Phone
- (408) 851-7600
- Enumerated
- Mar 21, 2022
- Record last updated
- Jul 7, 2025
- Medicaid ID
- 5009576238 CA
- Medicare enrollment
- Enrolled (PECOS I20251027000278); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Verify Matthew K. Rajaratnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
202 Medicare Part D claims for 50 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Alendronate Sodium17 claims
- Amlodipine Besylate16 claims
- Finasteride11 claims
- Levetiracetam11 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
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew K. Rajaratnam among 40,652 student in an organized health care education/training program records in California
Matthew K. Rajaratnam, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2022 · median 2017 among the 2,409 with a school on file
- Record last updated2025 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 student in an organized health care education/training program records list a practice address in Santa Clara
They are 187 of the 3,436 NPPES records with a practice address in Santa Clara, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Santa Clara → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Najla Ahmadzia, M.D.Santa Clara, CA 950511568692580
- Aneesh Ambalal, M.D.Santa Clara, CA 950511114165057
- Sung Choi, D.O.Santa Clara, CA 950511285900415
- Emily Greenberg, MDSanta Clara, CA 950511417235144
- Lindsey Klassen, DPMSanta Clara, CA 950511740547751
- Gary Kuo, MDSanta Clara, CA 950511053686204
- Kenneth Leong, DO, MPHSanta Clara, CA 950511164788725
- Kalah MannonSanta Clara, CA 950511720239320
Common questions
What is Matthew K. Rajaratnam, MD's NPI number?
Matthew K. Rajaratnam, MD's National Provider Identifier (NPI) is 1497404016, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew K. Rajaratnam, MD located?
The NPPES record lists a practice address at 700 Lawrence Expy Dept B07, Santa Clara, CA, 95051. Phone: (408) 851-7600. Providers update this record themselves, so call before visiting.
How can I verify Matthew K. Rajaratnam, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew K. Rajaratnam, MD prescribe under Medicare Part D?
In 2024, Matthew K. Rajaratnam, MD had 202 Medicare Part D claims for 50 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.